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Original research article| Volume 122, 109959, June 2023

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Catholic sole community hospitals are associated with decreased receipt of postpartum permanent contraception among Medicaid recipients

Open AccessPublished:January 25, 2023DOI:https://doi.org/10.1016/j.contraception.2023.109959

      Abstract

      Objectives

      To examine the association of Catholic hospitals with receipt of postpartum tubal ligation and long acting, reversible contraception among Medicaid recipients.

      Study design

      We conducted a retrospective cohort study of live births from January 1, 2016 to October 31, 2016 to female Medicaid beneficiaries in the United States between ages 21 and 44. Our main exposure was the presence of a Catholic-affiliated sole community hospital, and our primary outcome was highly effective postpartum contraception. We examined rates of postpartum permanent contraception, along with the use of a long acting, reversible form of contraception (LARC) at 3 and 60 days are postpartum. We compared counties that had only a Catholic-affiliated hospital with counties with only a non-Catholic hospital.

      Results

      Our study population included 14,545 postpartum Medicaid beneficiaries. Study participants came from 88 counties across 10 United States states. Only 7.7% of women in counties with Catholic sole community hospitals received permanent contraception by 3 days postpartum, compared to 11.3% in counties with non-Catholic sole community hospitals (RD: -3.92%; 95% CI: -6.01%, -1.83%). This difference was not mitigated by receipt of outpatient procedures or long-acting, reversible contraception. Importantly, women residing in counties with Catholic sole community hospitals were much less likely to return postpartum for an outpatient visit between 8 and 60 days postpartum than women in counties with non-Catholic sole community hospitals (35.4% vs 45.4%, RD: -9.29%; 95% CI: -16.71%, -1.86%).

      Conclusions

      In counties where the only hospital was Catholic, Medicaid recipients giving birth were significantly less likely to receive permanent contraception and to return for postpartum care.

      Implications

      Catholic hospitals are increasing in the United States, which may restrict access to postpartum contraception, particularly in rural areas. We found that Medicaid recipients giving birth at a Catholic sole community hospital were less likely to receive permanent contraception and to return for care.

      Keywords

      1. Introduction

      A growing number of women in the United States (US) give birth in a Catholic hospital, which may have important implications for the quality of their postpartum care. Catholic hospitals operate under Ethical and Religious Directives for Catholic Health Care Services issued and enforced by the US Conference of Catholic Bishops [
      Catholic Health Care Association of the United States
      US Catholic health care.
      ]. The directives explicitly prohibit the provision of contraception, a critical, evidence-based component of postpartum care [
      Catholic Health Care Association of the United States
      US Catholic health care.
      ,
      U.S. Conference of Catholic Bishops
      Ethical and religious directives for catholic health care services.
      ]. These directives include, and may disproportionately impact long-acting methods, including permanent contraception [
      • Liu Y
      • Hebert LE
      • Hasselbacher LA
      • Stulberg DB.
      "Am I Going to Be in Trouble for What I'm Doing?": providing contraceptive care in religious health care systems.
      ].
      Postpartum contraception is an effective and safe strategy to promote both reproductive health and autonomy [
      Center for Disease Control
      The United States medical eligibility criteria for contraceptive use.
      ,
      ACOG
      Committee opinion No. 666 summary: optimizing postpartum care.
      ]. Permanent female contraception, or tubal ligation, is one of the most common forms of contraceptive used in the US; in 2016, an estimated 22% of contraceptive users relied on a permanent, female method [
      • Kavanaugh ML
      • Pliskin E.
      Use of contraception among reproductive-aged women in the United States, 2014 and 2016.
      ]. For women who desire permanent contraception, admission for childbirth is a common time to request and obtain it, particularly if a cesarean birth occurs. However, despite the safety, effectiveness, and popularity of postpartum permanent contraception, requests for tubal ligation commonly go unfulfilled [
      • Albanese A
      • French M
      • Gossett DR.
      Request and fulfillment of postpartum tubal ligation in patients after high-risk pregnancy.
      ]. Multiple barriers exist to obtaining postpartum contraception, in particular permanent methods [
      • Henkel A
      • Beshar I
      • Goldthwaite LM.
      Postpartum permanent contraception: updates on policy and access.
      ].
      The growing predominance of Catholic health systems in the US presents another barrier to obtaining postpartum permanent contraception [
      • Menegay MC
      • Andridge R
      • Rivlin K
      • Gallo MF.
      Delivery at Catholic hospitals and postpartum contraception use, five US states, 2015-2018.
      ,
      • Hill EL
      • Slusky DJG
      • Ginther DK.
      Reproductive health care in Catholic-owned hospitals.
      ]. Over the last two decades, through acquisitions and mergers, there has been a steady increase in the growth of Catholic hospitals [
      • Solomon T
      • Uttley L
      • Hasbrouck P
      • Jung Y
      Bigger and bigger: the growth of the catholic hospital system.
      ]. The 10 largest Catholic health systems have experienced a 50% growth in ownership of acute care hospitals since 2001 [
      • Solomon T
      • Uttley L
      • Hasbrouck P
      • Jung Y
      Bigger and bigger: the growth of the catholic hospital system.
      ]. The number of communities where a Catholic hospital is the only choice has continued to increase. In 2020, there were 52 hospitals operating under Catholic restrictions that were the sole community hospital for people living in their region [
      • Solomon T
      • Uttley L
      • Hasbrouck P
      • Jung Y
      Bigger and bigger: the growth of the catholic hospital system.
      ]. To qualify, hospitals must be at least 35 miles from another hospital offering similar services [
      • Center for Medicare & Medicaid Services
      Sole community hospital.
      ].
      In this study, we use national Medicaid claims data to determine the association between the presence of a Catholic sole community hospital and receipt of postpartum permanent contraception.

      2. Methods

      We conducted a retrospective cohort study of live births from January 1, 2016 to October 31, 2016 to female Medicaid beneficiaries between ages 21 to 44. Our primary outcome was the receipt of permanent contraception. We measured rates of permanent contraception during the inpatient admission (within 3 days of childbirth) and during the first 60 days postpartum. Secondary outcomes included attendance at a postpartum visit and receipt of long-acting, reversible contraception (an intrauterine (IUD) device or implant) within 60 days. We followed the strengthening the reporting of observational studies in epidemiology reporting guidelines [
      • von Elm E
      • Altman DG
      • Egger M
      • et al.
      [The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies].
      ]. The institutional review board at Oregon Health & Science University reviewed and approved the study protocol.
      Our primary explanatory variable was the presence of a Catholic-affiliated sole community hospital at the county level. Designation as a sole community hospital means that the facility is located at least 35 miles away from other similar hospitals, or is located in a rural area and meets certain other criteria, such as being at least 45 minutes in travel time away from the next closest hospital [
      • Center for Medicare & Medicaid Services
      Sole community hospital.
      ]. We determined the association between the presence of a Catholic sole community hospital and receipt of permanent contraception.

      2.1 Data and study sample

      We used national Medicaid claims and enrollment data from the most recently available year (2016) of the Transformed Medicaid Statistical Information Systems and transformed analytic files (TAF) to capture demographic data, birth outcomes, postpartum contraceptive use, and care attendance. We identified sole community hospitals using 2016 provider files from the Center for Medicare & Medicaid Services (CMS), in combination with files from the National Bureau of Economic Research [

      National Bureau of Economic Research. Provider of Services Files.

      ]. We used a database of Catholic-affiliated hospitals maintained by Community Catalyst and cross-referenced with a publicly available dataset to evaluate the religious affiliation of each sole community hospital [
      Catholic Health Care Association of the United States
      US Catholic health care.
      ,
      • Solomon T
      • Uttley L
      • Hasbrouck P
      • Jung Y
      Bigger and bigger: the growth of the catholic hospital system.
      ].
      To allow for clear identification of our exposure, Catholic sole community hospitals, we excluded counties that contained both Catholic- and non-Catholic-affiliated sole community hospitals. To control for state-level factors influencing care, we included in our analysis only the 10 states that contributed at least one county with a Catholic sole community hospital and at least one county with a non-Catholic affiliated sole community hospital.
      We evaluated data quality using standardized assessments from CMS and excluded states with data identified as “unusable” or “high concern” [

      Center for Medicare & Medicaid Services. DQ Atlas. 2021.

      ]. We excluded beneficiaries with unstable enrollment information, missing or invalid county or state of residence, those who lived outside of the state they were receiving Medicaid benefits from, those who were enrolled in multiple states during 2016, and those enrolled in emergency Medicaid, as contraception, including permanent contraception, is not a federal benefit. We also excluded critical access hospitals from our analyses because they may have affiliations with Catholic hospitals solely for the purpose of transferring patients for more advanced types of care, which may not require them to operate under Catholic ethical and religious directives [
      • Solomon T
      • Uttley L
      • Hasbrouck P
      • Jung Y
      Bigger and bigger: the growth of the catholic hospital system.
      ]. Fig. 1 in the Appendix provides the full details of our study cohort creation.
      Our primary outcomes were the receipt of permanent contraception following childbirth. We included all forms of tubal permanent contraception (e.g., partial salpingectomy, complete salpingectomy, fulguration, clip) in our outcome, and did not differentiate by type in our analysis. We measured permanent contraceptive use at two-time points: during the first 3 days (inpatient) postpartum and within 60 days following childbirth. This allowed us to investigate whether women who were unable to access permanent contraception in the inpatient setting were subsequently able to obtain permanent contraception postpartum. Given similar contraceptive effectiveness and the long-acting nature of the IUD and implant, we also measured LARC initiation during the first 60 days postpartum. We examined rates of outpatient postpartum care attendance from 8 to 60 days postpartum to evaluate whether people in both groups were as likely to obtain follow-up care.
      We measured postpartum contraceptive use with a modified version of the Office of Population Affair's contraceptive metric. This validated measure uses diagnosis, procedural, and drug codes to capture and classify contraceptive methods [
      Office of Population Affairs
      Most or moderately effective contraceptive methods.
      ]. According to metric guidelines, live births occurring after October 31, 2016 were excluded to ensure 60 days of postpartum follow-up were available in the measurement year for the individual to receive contraception. Outpatient postpartum visits were identified using diagnosis and procedure codes per the HEDIS 2016 prenatal and postpartum care (PPC) postpartum visits and postpartum bundled services value sets [

      National Committee for Quality Assurance. Prenatal and postpartum care: HEDIS measures and technical resources. Healthcare effectiveness data and information set. National Committee for Quality Assurance, Washington DC.

      ]. Supplementary details can be found in the Appendix.

      2.2 Explanatory variable of interest and covariates

      Our primary explanatory variable was an indicator for the presence of a Catholic-affiliated sole community hospital located in the beneficiary's county of residence. Full details on the process used to identify sole community hospitals can be found in the Appendix.
      We obtained enrollee demographic data (including sex, age, race, ethnicity, and county of residence) from the TAF demographic and eligibility file. We used the 2013 National Center for Health Statistics Urban-Rural Classification Scheme for counties to classify urbanization level (metropolitan or nonmetropolitan) [
      Center for Disease Control
      NCHS urban-rural classification sole community hospital EME for counties.
      ].

      2.3 Statistical analysis

      We estimated the rates for receipt of 3- and 60-day postpartum tubal permanent contraception, 60-day LARC, 60-day postpartum permanent contraception or LARC, and 60-day postpartum care visits for women in counties with Catholic- and non-Catholic-affiliated sole community hospitals. We estimated rate differences (RDs) using a linear probability model with state-level fixed effects for each outcome with the following functional form:
      γics=β0+β1Xi+β2Xc+β3Catholicc+δs+ics


      where γics is a binary indicator measuring the use of the contraception type or completion of a follow-up care visit in the respective postpartum period, Catholicc is an indicator for whether the county only contains Catholic-affiliated sole community hospitals, Xi is a vector of patient characteristics, Xc is a vector of county characteristics, and δS are state-level fixed effects. Our parameter of interest is β3, which measures the difference in contraception utilization or postpartum care visit completion associated with the presence of a Catholic-affiliated sole community hospital. We examined variation in our outcomes by drawing a combined box plot, showing the median and interquartile range (IQR) for each outcome (Appendix Figs. 1−4). Our models adjusted for enrollee 4-year age groups (21−24, 25−28, 29−32, 33−36, 37−40, 41−44) and rurality. Models also included state-fixed effects to adjust for differences in access and coverage between states.
      Racial and ethnic disparities in contraceptive use, in particular permanent methods, have been well described in the literature [
      • Dehlendorf C
      • Foster DG
      • de Bocanegra HT
      • Brindis C
      • Bradsberry M
      • Darney P.
      Race, ethnicity and differences in contraception among low-income women: methods received by Family PACT Clients, California, 2001-2007.
      ,
      • Dehlendorf C
      • Park SY
      • Emeremni CA
      • Comer D
      • Vincett K
      • Borrero S.
      Racial/ethnic disparities in contraceptive use: variation by age and women's reproductive experiences.
      ,
      • Shih G
      • Vittinghoff E
      • Steinauer J
      • Dehlendorf C.
      Racial and ethnic disparities in contraceptive method choice in California.
      ,
      • Jackson AV
      • Karasek D
      • Dehlendorf C
      • Foster DG.
      Racial and ethnic differences in women's preferences for features of contraceptive methods.
      ,
      • Finer LB
      • Zolna MR.
      Declines in unintended pregnancy in the United States, 2008-2011.
      ]. Therefore, we conducted a supplemental analysis of the interaction between residents in a county with a Catholic-affiliated sole community hospital and beneficiary race and ethnicity group to determine if the presence of a Catholic sole community hospital had a differential effect on the receipt of postpartum permanent contraception by race or ethnicity.
      γics=β0+β1Xi+β2Xc+β3Catholicc+β4Racei+β5CatholicCRacei+δs+ics


      where our parameter of interest is β3 for the reference race and ethnicity group, and the differential effect β5.
      All analyses were conducted using R software, version 4.1.2. Statistical tests were two-sided and p-values less than 0.05 were considered statistically significant.

      3. Results

      Our final cohort included 14,545 female Medicaid beneficiaries living in 88 counties across 10 US states (Table 1, Fig. 2 Map). This cohort represents 1.2% of Medicaid recipients who gave birth during our study period (n = 1,165,358, Table 1). A majority of our sample identified as non-Hispanic white (68.4%). States meeting inclusion criteria were primarily located in the West and Midwest regions of the country (Fig. 2).
      Table 1Demographics of Medicaid recipients giving birth in 2016 at sole community hospitals in the United States, by Catholic affiliation (n = 14,545)
      CharacteristicCatholic, N = 3828
      Mean ± standard deviation; % (n).
      non-Catholic, N = 10,717
      Mean ± standard deviation; % (n).
      Overall, N = 14,545
      Mean ± standard deviation; % (n).
      Age (years)27.7 ± 4.927.5 ± 4.827.5 ± 4.8
      Number of claims (in year)55.7 ± 40.353.7 ± 37.954.2 ± 38.6
      Race and ethnicity
       American Indian and Alaska Native (AIAN), non-Hispanic7.1% (257)6.0% (613)6.2% (870)
       Asian, non-Hispanic2.4% (86)2.3% (234)2.3% (320)
       Black, non-Hispanic4.7% (171)7.4% (758)6.7% (929)
       Hawaiian/Pacific Islander, non-Hispanic0.5% (17)0.3% (36)0.4% (53)
       Hispanic, all races20.0% (728)14.7% (1512)16.1% (2240)
       White, non-Hispanic65.4% (2382)69.4% (7147)68.4% (9529)
       Missing (includes multiracial, non-Hispanic)187417604
      County rurality
       Metropolitan29.6% (1132)13.5% (1448)17.7% (2580)
       Nonmetropolitan70.4% (2696)86.5% (9269)82.3% (11,965)
      "Multiracial, non-Hispani" censored due to small sample size (less than 10).
      a Mean ± standard deviation; % (n).
      Fig 2
      Fig. 2Map of states with counties that contain a Catholic and non-Catholic sole community hospital.
      In our sample, 26.3% (n = 3,828) of women giving birth resided in counties with a Catholic-affiliated sole community hospital. The mean age was similar between groups (Table 1). Women giving birth in counties with Catholic-affiliated sole community hospitals were slightly more likely to be Hispanic and less likely to be Black than women in counties with non-Catholic sole community hospitals. Women residing in counties with non-Catholic sole community hospitals were more likely to be from nonmetropolitan areas than those from counties with Catholic sole community hospitals (86.5% vs 70.4%, Table 1).
      In 2016, only 7.7% of women in counties with Catholic sole community hospitals received permanent contraception by 3 days postpartum, compared to 11.3% in counties with non-Catholic sole community hospitals (RD: -3.92%; 95% CI: -6.01%, -1.83%) (Table 2). This difference was not mitigated by receipt of outpatient permanent contraception between postpartum days 3 and 60. The rates of permanent contraception increased only slightly between 3 and 60 days postpartum for both groups. Among women in counties with non-Catholic sole community hospitals, 13.5% received permanent contraception by 60 days postpartum as opposed to just 9.1% in counties with Catholic sole community hospitals (RD: -4.24%; 95% CI: -6.29%, -2.18%).
      Table 2Postpartum care and contraceptive outcomes among Medicaid recipients giving birth at sole community hospitals in the US by Catholic Affiliation 2016 (N = 14,545)
      Sole community hospital affiliationRate difference
      OutcomeCatholic, N = 3828
      % (n) 95% CI = 95% confidence interval.
      non-Catholic, N = 10,717
      % (n) 95% CI = 95% confidence interval.
      OutcomeCatholic, N = 3828
      % (n) 95% CI = 95% confidence interval.
      Three-day postpartum tubal ligation7.7% (293)11.3% (1213)-3.7%-3.92% (-6.01, -1.83)
      Sixty-day postpartum tubal ligation9.1% (348)13.5% (1,449)-4.4%-4.24% (-6.29, -2.18)
      Sixty-day postpartum LARC11.3% (434)10.9% (1171)0.4%-1.80% (-4.84, 1.25)
      Sixty-day postpartum tubal ligation or LARC20.4% (780)24.4% (2619)-4.1%-6.06% (-9.63, -2.49)
      Eight to 60-day postpartum follow-up visit35.4% (1357)45.4% (4866)-10.0%-9.29% (-16.71, -1.86)
      LARC, long acting, reversible contraception consists of the intrauterine device and implant.
      Models adjust for 5-year age groups, county urban-rural classification, and state fixed effects.
      a % (n) 95% CI = 95% confidence interval.
      Differences in permanent contraception rates were not offset by differences in the receipt of LARC during the 60-day postpartum period, with women in counties with Catholic sole community hospitals receiving postpartum LARC at roughly the same rate (11.3%) as those with non-Catholic sole community hospitals (10.9%) (RD: -1.80%, 95% CI: -4.84%, 1.25%). Only 20.4% of women in counties with Catholic sole community hospitals received permanent contraception or LARC by 60 days postpartum, compared to 24.2% in counties with non-Catholic sole community hospitals (RD: -6.06%, 95% CI: -9.63%, -2.49%) (Table 2). Women residing in counties with Catholic sole community hospitals were much less likely to complete an outpatient visit between 8 and 60 days than counties with non-Catholic sole community hospitals (35.4% vs 45.4%, RD: -9.29%; 95% CI: -16.71%, -1.86%). We examined the distribution of county rates of each of our study outcomes, by type of hospital. Within both Catholic sole community hospitals and non-Catholic sole community hospitals, considerable variation existed between counties, suggesting that additional factors, besides religious affiliation, affect rates of postpartum permanent contraception (Appendix Figs. 1–4).
      When stratifying by beneficiary race and ethnicity, we found similar point estimates for the association of residence in a county with a Catholic-affiliated sole community hospital for most race and ethnicity groups. However, the confidence intervals for these estimates were quite wide (Table 3). Receipt of postpartum permanent contraception among women who are Hispanic, all races in counties with Catholic sole community hospitals was 4.89% lower at 3 days (95% CI: -8.44%, -1.34%) and 5.05% lower at 60 days postpartum (95% CI: -8.98%, -1.11%) versus those in counties with non-Catholic sole community hospitals. Receipt of postpartum permanent contraception was 3.50% lower (95% CI: -6.06%, -0.95%) at 3 days and 4.20% lower at 60 days postpartum (95% CI: -6.68%, -1.71%) among White, non-Hispanic women in counties with Catholic sole community hospitals compared to their counterparts in counties with non-Catholic sole community hospitals. We did not find significant differences for other race or ethnicity groups.
      Table 3Adjusted rate differences in postpartum care and contraceptive outcomes among Medicaid recipients giving birth at Catholic versus non-Catholic sole community hospitals in the US, stratified by race and ethnicity, 2016 (N = 14,545)
      Three-day postpartum tubal ligationSixty-day postpartum tubal ligationSixty-day postpartum LARCSixty-day postpartum tubal ligation or LARCEight to 60-day postpartum follow-up visit
      Rate differences (95% confidence intervals)
      American Indian and Alaska Native (AIAN), non-Hispanic (N = 870)-3.02% (-7.52, 1.49)-3.09% (-9.20, 3.02)2.13% (-1.76, 6.01)-1.35% (-7.43, 4.74)-4.35% (-15.69, 7.00)
      Asian, non-Hispanic (N = 320)-2.90% (-9.12, 3.31)-0.29% (-8.75, 8.16)-3.79% (-11.24, 3.67)-4.03% (-17.41, 9.35)-11.11% (-26.38, 4.16)
      Black, non-Hispanic (N = 929)-4.57% (-10.59, 1.46)-3.76% (-10.53, 3.02)-2.23% (-6.48, 2.03)-5.96% (-13.37, 1.44)-1.20% (-10.66, 8.25)
      Hawaiian/Pacific Islander, non-Hispanic (N = 53)-7.66% (-19.91, 4.59)-12.56% (-26.92, 1.79)-15.02% (-22.96, -7.07)-27.56% (-41.66, -13.46)-29.44% (-46.88, -11.99)
      Hispanic, all races (N = 2240)-4.89% (-8.44, -1.34)-5.05% (-8.98, -1.11)-2.03% (-8.19, 4.13)-7.04% (-15.51, 1.42)-11.56% (-28.00, 4.87)
      White, non-Hispanic (N = 9529)-3.50% (-6.06, -0.95)-4.20% (-6.68, -1.71)-1.52% (-3.96, 0.92)-5.73% (-8.96, -2.50)-8.75% (-14.91, -2.59)
      LARC, long acting, reversible contraception, consists of the intrauterine device and implant.
      Models adjust for 5-year age groups, county urban-rural classification, and state fixed effects "Multiracial, non-Hispanic" results not presented due to small sample size (<10).

      4. Discussion

      Women giving birth in a county where the only hospital is Catholic were significantly less likely to receive postpartum permanent contraception than people living in a county where the hospital is not Catholic. This gap in receipt of highly effective contraception immediately postpartum was not mitigated by a higher receipt of outpatient tubal permanent contraception or LARC use by 60 days postpartum in counties with Catholic sole community hospitals. Women giving birth in a county with a Catholic sole community hospital were significantly less likely to return for a postpartum visit than their counterparts in counties with a non-Catholic sole community hospital.
      Female permanent contraception remains one of the most common methods of contraception used in the US, and half of all procedures are performed during admission for childbirth [
      American College of Obstetricians and Gynecologists
      ACOG Practice Bulletin No. 208: benefits and risks of sterilization.
      ]. For individuals who do not desire future fertility, it is a safe, convenient, and highly effective way to prevent pregnancy [
      American College of Obstetricians and Gynecologists
      ACOG Practice Bulletin No. 208: benefits and risks of sterilization.
      ]. Despite the popularity of the method, about a third of women who request postpartum permanent contraception do not receive it [
      • Thurman AR
      • Janecek T.
      One-year follow-up of women with unfulfilled postpartum sterilization requests.
      ,
      • Zite N
      • Wuellner S
      • Gilliam M.
      Failure to obtain desired postpartum sterilization: risk and predictors.
      ]. Common barriers to receiving postpartum tubal ligation include a lack of a valid Medicaid consent form, a medical condition complicating the procedure, and a lack of dedicated operating rooms on labor and delivery to perform the procedures [
      • Zite N
      • Wuellner S
      • Gilliam M.
      Barriers to obtaining a desired postpartum tubal sterilization.
      ]. Many of the barriers described are failures of the health system to effectively deliver the individual's requested form of contraception. Women with Medicaid insurance are less likely to receive their requested permanent contraception than women with private insurance [
      • Zite N
      • Wuellner S
      • Gilliam M.
      Failure to obtain desired postpartum sterilization: risk and predictors.
      ]. This has important health, equity, and cost implications for Medicaid programs. Nearly half (46%) of women who requested but did not receive a desired postpartum permanent contraception- became pregnant within the first year following delivery [
      • Thurman AR
      • Janecek T.
      One-year follow-up of women with unfulfilled postpartum sterilization requests.
      ]. Pregnancies within 18 months of birth are associated with increased maternal and infant health risks, and more than half of these pregnancies are unintended [
      • Gemmill A
      • Lindberg LD.
      Short interpregnancy intervals in the United States.
      ].
      Comprehensive postpartum care includes a full assessment of the woman's physical, social, and psychological well-being. Postpartum care is an important opportunity to ensure women have ongoing care for chronic conditions that affect their current and future health, such as hypertension, diabetes, and obesity [
      ACOG
      Committee opinion No. 666 summary: optimizing postpartum care.
      ]. Our finding, that people giving birth at a Catholic sole community hospital, were significantly less likely to return for a postpartum visit (9.3 % points) than peers delivering at a non-Catholic sole community hospital is concerning given the implications for longer-term health consequences. Research is needed to understand why this difference exists. Our study consisted of only Medicaid beneficiaries living predominantly in nonmetropolitan areas; it is thus unlikely that baseline differences in socioeconomic status or transportation barriers between counties explain our findings. Previous studies have indicated that perceived discrimination during intrapartum care, trouble understanding the health care provider, and dissatisfaction with the provider or care are associated with lower postpartum visit attendance [
      • Wouk K
      • Morgan I
      • Johnson J
      • Tucker C
      • Carlson R
      • Berry DC
      • Stuebe AM
      A systematic review of patient-, provider-, and health system-level predictors of postpartum health care use by people of color and low-income and/or uninsured populations in the United States.
      ]. Future studies should investigate whether perceived discrimination or provider satisfaction varies based on a hospital's religious affiliation.
      Our study of 10 states demonstrates how the steady growth of the Catholic health system, particularly when they are a sole community hospital, may affect the reproductive health of Medicaid recipients and may increase state Medicaid expenditures [
      • Menegay MC
      • Andridge R
      • Rivlin K
      • Gallo MF.
      Delivery at Catholic hospitals and postpartum contraception use, five US states, 2015-2018.
      ,
      • Rodriguez MI
      • Caughey AB
      • Edelman A
      • Darney PD
      • Foster DG.
      Cost-benefit analysis of state- and hospital-funded postpartum intrauterine contraception at a university hospital for recent immigrants to the United States.
      ,
      • Rodriguez MI
      • Jensen JT
      • Darney PD
      • Little SE
      • Caughey AB.
      The financial effects of expanding postpartum contraception for new immigrants.
      ,
      • Trussell J.
      Update on the cost-effectiveness of contraceptives in the United States.
      ]. Women living in rural areas have restricted choices for their obstetric care. They may not be aware that their hospital is Catholic or understand how this may affect their receipt of postpartum permanent contraception [
      • Kozhimannil KB
      • Hung P
      • Prasad S
      • Casey M
      • Moscovice I.
      Rural-urban differences in obstetric care, 2002-2010, and implications for the future.
      ]. A 2013 survey illustrated that the majority of women expected they would be able to access family planning services at a Catholic hospital [
      • Guiahi M
      • Sheeder J
      • Teal S.
      Are women aware of religious restrictions on reproductive health at Catholic hospitals? A survey of women's expectations and preferences for family planning care.
      ]. In reality, evidence demonstrates marked restrictions in obtaining access to postpartum permanent contraception at Catholic-affiliated hospitals [
      • Menegay MC
      • Andridge R
      • Rivlin K
      • Gallo MF.
      Delivery at Catholic hospitals and postpartum contraception use, five US states, 2015-2018.
      ]. Over half of the Catholic hospitals did not provide any permanent contraception, and others provided permanent contraception only in selective cases [
      • Hapenney S.
      Divergent practices among Catholic hospitals in provision of direct sterilization.
      ,
      • Thorne NB
      • Soderborg TK
      • Glover JJ
      • Hoffecker L
      • Guiahi M.
      Reproductive health care in Catholic facilities: a scoping review.
      ,
      • Stulberg DB
      • Hoffman Y
      • Dahlquist IH
      • Freedman LR.
      Tubal ligation in Catholic hospitals: a qualitative study of ob-gyns' experiences.
      ]. These restrictions may explain why a recent study found that women delivering at Catholic hospitals were 12% more likely to have a rapid, repeat pregnancy within 18 months of giving birth compared to women who delivered at a non-Catholic hospital [
      • Caldwell A
      • Schumm P
      • Murugesan M
      • Stulberg D.
      Short-interval pregnancy in the Illinois Medicaid population following delivery in Catholic vs non-Catholic hospitals.
      ].
      Our study should be interpreted with the following limitation in mind. We did not have information on patient fertility preferences or religious beliefs in the claims data. Therefore, we used an analytic framework where the choice of hospital was restricted by geography with each county only having a single hospital and was more than 35 miles away. We were unable to determine the hospital in which the woman gave birth using TAF data. Instead, we identified whether or not the woman's county of residence contained only a Catholic-affiliated sole community hospital. By definition sole community hospitals are geographically isolated from other hospitals, and thus are the primary provider of services in their service area and act as a good approximation of the care that is available. Our study focuses on Medicaid recipients living in rural areas with a sole community hospital, which is only 1.2% of all Medicaid births that year; our findings may not be generalizable to areas where a choice of hospitals is available. For example, the rate of postpartum tubal ligation that we observed in a non-Catholic sole community hospital is well above what has been described among individuals who are publicly insured in other national studies (74.1 tubal ligations per 1000 births) [
      • Fang NZ
      • Westhoff CL.
      Update on incidence of inpatient tubal ligation and long-acting reversible contraception in the United States.
      ]. This finding may reflect the decreased access to other forms of contraception that people living in rural areas experience.
      Finally, we were underpowered to look at differences by race or ethnicity, biasing our results toward the null.
      Access to contraception is a core component of quality family planning services, and increasing postpartum contraception is a US public health priority [

      Office of Disease Prevention and Health Promotion, 2020. Healthy people 2030 goals: family planning.

      ]. sole community hospitals are recognized and financially incentivized by CMS for the role they play in delivering timely, evidence-based health care to underserved populations [
      • Center for Medicare & Medicaid Services
      Sole community hospital.
      ]. Contraception is fundamental to optimizing postpartum health; all people giving birth should have equal access to the method of their choice [
      ACOG
      Committee opinion No. 666 summary: optimizing postpartum care.
      ]. Our study demonstrates that religiously affiliated sole community hospitals were associated with lower rates of the most effective forms of contraception postpartum among Medicaid recipients. Additional efforts are needed to ensure that individuals delivering at Catholic hospitals, are aware of the restrictions to their care, and can receive their desired method of postpartum contraception.

      Disclosures and funding

      Conflicts of interest: Dr. Rodriguez reported receiving grants from the National Institute of Minority Health and Health Disparities during the conduct of the study and personal fees from The American College of Obstetricians and Gynecologists, Bayer, and Merck & Co outside the submitted work. These potential conflicts of interest were managed by the IRB at Oregon Health & Science University. No other disclosures were reported.
      Funding: This work was conducted with the support of an award from Arnold Ventures.

      Acknowledgments

      The authors would like to thank Community Catalyst Hospital Equity and Accountability Project.

      Author contributions

      Dr. McConnell had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Concept and design: Rodriguez, McConnell. Acquisition, analysis or interpretation of data: All authors. Drafting of the manuscript: Rodriguez, Daly. Critical revision of the manuscript for important intellectual content: All authors. Statistical analysis: McConnell, Meath. Obtained funding: Rodriguez. Administrative, technical, or material support; supervision: Rodriguez.

      Appendix. Supplementary materials

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