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. Author manuscript; available in PMC: 2023 Jul 1.
Published in final edited form as: Womens Health Issues. 2022 Mar 15;32(4):369–375. doi: 10.1016/j.whi.2022.02.002

Table A.1.

Characteristics of each included study.

Citation Number of participants Data source Study population type Sampling Overall PPV attendance estimate (%)
Postpartum care visits--11 states and New York City, 2004. MMWR Morb Mortal Wkly Rep. 2007;56(50):1312–1316. 18,558 Patient survey Population-based, multiple states Population representative sample 88.7
Adhikari EH, Yule CS, Roberts SW, et al. Factors Associated with Postpartum Loss to Follow-Up and Detectable Viremia After Delivery Among Pregnant Women Living with HIV. AIDS Patient Care STDS. 2019;33(1):14–20.§ 613 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 79.9
Adia AC, Matos QP, Monteiro K, Kim HH. The Association Between Postpartum Healthcare Encounters and Contraceptive Use among Rhode Island Mothers, 2012–2015. R I Med J (2013). 2018;101(3):29–32. 4,542 Patient survey Population-based, single state Population representative sample 92.9
Arora KS, Ascha M, Wilkinson B, et al. Association between neighborhood disadvantage and fulfillment of desired postpartum sterilization. BMC Public Health. 2020;20(1):1440.§ 1,332 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 63.9
Attanasio L, Kozhimannil KB. Health Care Engagement and Follow-up After Perceived Discrimination in Maternity Care. Med Care. 2017;55(9):830–833. 2,400 Patient survey Nationally drawn Population representative sample 90.1
Battarbee AN, Yee LM. Barriers to Postpartum Follow-Up and Glucose Tolerance Testing in Women with Gestational Diabetes Mellitus. Am J Perinatol. 2018;35(4):354–360. 683 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 82.0
Bauman BL, Ko JY, Cox S, et al. Vital Signs: Postpartum Depressive Symptoms and Provider Discussions About Perinatal Depression - United States, 2018. MMWR Morb Mortal Wkly Rep. 2020;69(19):575–581. 32,659 Patient survey Population-based, multiple states Population representative sample 90.1
Bennett WL, Chang HY, Levine DM, et al. Utilization of primary and obstetric care after medically complicated pregnancies: an analysis of medical claims data. J Gen Intern Med. 2014;29(4):636–645.§ 37,751 Health insurance claims Single health plan All eligible cases in universe 60.3
Bensussen-Walls W, Saewyc EM. Teen-focused care versus adult-focused care for the high-risk pregnant adolescent: an outcomes evaluation. Public Health Nurs. 2001;18(6):424–435. 106 Medical chart review/abstraction Single hospital/healthcare system Non-probability sampling --
Bernstein JA, Quinn E, Ameli O, et al. Follow-up after gestational diabetes: a fixable gap in women’s preventive healthcare. BMJ Open Diabetes Res Care. 2017;5(1):e000445. 12,622 Health insurance claims Other All eligible cases in universe 39.6
Bromley E, Nunes A, Phipps MG. Disparities in pregnancy healthcare utilization between Hispanic and non-Hispanic white women in Rhode Island. Matern Child Health J. 2012;16(8):1576–1582. 14,059 Patient survey Population-based, single state Population representative sample --
Bryant AS, Haas JS, McElrath TF, McCormick MC. Predictors of compliance with the postpartum visit among women living in healthy start project areas. Matern Child Health J. 2006;10(6):511–516. 1,637 Patient survey Other Population representative sample 86.5
Bryant A, Blake-Lamb T, Hatoum I, Kotelchuck M. Women’s Use of Health Care in the First 2 Years Postpartum: Occurrence and Correlates. Matern Child Health J. 2016;20(Suppl 1):81–91. 6,216 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 87.4
Buchberg MK, Fletcher FE, Vidrine DJ, et al. A mixed-methods approach to understanding barriers to postpartum retention in care among low-income, HIV-infected women. AIDS Patient Care STDS. 2015;29(3):126–132. 35 Electronic Health Record Defined set of clinics but more than 1 Non-probability sampling 71.4
Chung EK, Mathew L, McCollum KF, Elo IT, Culhane JF. Continuous source of care among young underserved children: associated characteristics and use of recommended parenting practices. Ambul Pediatr. 2008;8(1):36–42. 1,670 Patient survey Defined set of clinics but more than 1 Non-probability sampling 87.0
Clements KM, Mitra M, Zhang J, Parish SL. Postpartum Health Care Among Women With Intellectual and Developmental Disabilities. Am J Prev Med. 2020;59(3):437–444.§ 3,848 Health insurance claims Other All eligible cases in universe 24.9
Coleman-Minahan K, Aiken ARA, Potter JE. Prevalence and Predictors of Prenatal and Postpartum Contraceptive Counseling in Two Texas Cities. Womens Health Issues. 2017;27(6):707–714. 613 Patient survey Defined set of clinics but more than 1 Non-probability sampling 88.1
Cope AG, Mara KC, Weaver AL, Casey PM. Postpartum Contraception Usage Among Somali Women in Olmsted County, Minnesota. Obstet Gynecol. 2019;133(4):762–769.§ 634 Electronic Health Record Single hospital/healthcare system Non-probability sampling 92.9
D’Angelo D, Williams L, Morrow B, et al. Preconception and interconception health status of women who recently gave birth to a live-born infant--Pregnancy Risk Assessment Monitoring System (PRAMS), United States, 26 reporting areas, 2004. MMWR Surveill Summ. 2007;56(10):1–35. Not stated Patient survey Population-based, multiple states Population representative sample 89.3
Danilack VA, Brousseau EC, Paulo BA, Matteson KA, Clark MA. Characteristics of women without a postpartum checkup among PRAMS participants, 2009–2011. Matern Child Health J. 2019;23(7):903–909. 64,952 Patient survey Population-based, multiple states Population representative sample 89.4
Declercq ER, Sakala C, Corry MP, Applebaum S, Herrlich A. Major Survey Findings of Listening to Mothers(SM) III: Pregnancy and Birth: Report of the Third National U.S. Survey of Women’s Childbearing Experiences. J Perinat Educ. 2014;23(1):9–16. 1,072 Patient survey Nationally drawn Population representative sample 90.0
DeSisto CL, Rohan A, Handler A, Awadalla SS, Johnson T, Rankin K. The Effect of Continuous Versus Pregnancy-Only Medicaid Eligibility on Routine Postpartum Care in Wisconsin, 2011–2015. Matern Child Health J. 2020;24(9):1138–1150.§ 105,718 Health insurance claims Single health plan All eligible cases in universe 85.7
DiBari JN, Yu SM, Chao SM, Lu MC. Use of postpartum care: predictors and barriers. J Pregnancy. 2014;2014:530769. 4,075 Patient survey Other Population representative sample 91.7
Dietz PM, Vesco KK, Callaghan WM, et al. Postpartum screening for diabetes after a gestational diabetes mellitus-affected pregnancy. Obstet Gynecol. 2008;112(4):868–874.§ 36,251 Medical chart review/abstraction Single health plan All eligible cases in universe 96.5
Dude A, Matulich M, Estevez S, Liu LY, Yee LM. Disparities in Postpartum Contraceptive Counseling and Provision Among Mothers of Preterm Infants. J Womens Health (Larchmt). 2018;27(5):676–683. 207 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 84.5
Eggleston EM, LeCates RF, Zhang F, Wharam JF, Ross-Degnan D, Oken E. Variation in Postpartum Glycemic Screening in Women With a History of Gestational Diabetes Mellitus. Obstet Gynecol. 2016;128(1):159–167. 32,253 Health insurance claims Single health plan All eligible cases in universe 40.0
Ehrenthal DB, Maiden K, Rogers S, Ball A. Postpartum healthcare after gestational diabetes and hypertension. J Womens Health (Larchmt). 2014;23(9):760–764. 249 Patient survey Single hospital/healthcare system Non-probability sampling 95.4
Ehrenthal DB, Gelinas K, Paul DA, et al. Postpartum Emergency Department Visits and Inpatient Readmissions in a Medicaid Population of Mothers. J Womens Health (Larchmt). 2017;26(9):984–991. 4,077 Health insurance claims Single hospital/healthcare system All eligible cases in universe 67.1
Fabiyi CA, Reid LD, Mistry KB. Postpartum Health Care Use After Gestational Diabetes and Hypertensive Disorders of Pregnancy. J Womens Health (Larchmt). 2019;28(8):1116–1123. 304 Patient survey Nationally drawn Population representative sample 67.6
Farr SL, Denk CE, Dahms EW, Dietz PM. Evaluating universal education and screening for postpartum depression using population-based data. J Womens Health (Larchmt). 2014;23(8):657–663. 2,012 Patient survey Population-based, single state Population representative sample 86.7
Galvin SL, Ramage M, Leiner C, Sullivan MH, Fagan EB. A Cohort Comparison of Differences Between Regional and Buncombe County Patients of a Comprehensive Perinatal Substance Use Disorders Program in Western North Carolina. N C Med J. 2020a;81(3):157–165.§ 608 Medical chart review/abstraction Other All eligible cases in universe 57.3
Galvin SL, Ramage M, Mazure E, Coulson CC. The association of cannabis use late in pregnancy with engagement and retention in perinatal substance use disorder care for opioid use disorder: A cohort comparison. J Subst Abuse Treat. 2020b;117:108098.§ 472 Electronic Health Record Other All eligible cases in universe 42.8
Glass TL, Tucker K, Stewart R, Baker TE, Kauffman RP. Infant feeding and contraceptive practices among adolescents with a high teen pregnancy rate: a 3-year retrospective study. J Womens Health (Larchmt). 2010;19(9):1659–1663. 543 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 72.3
Haight SC, Ko JY, Yogman MW, Farr SL. Postpartum Depressive Symptoms and Screening Opportunities at Health Care Encounters. J Womens Health (Larchmt). 2021;30(5):731–738. 23,990 Patient survey Population-based, multiple states Population representative sample 90.7
Hale NL, Probst JC, Liu J, Martin AB, Bennett KJ, Glover S. Postpartum screening for diabetes among Medicaid-eligible South Carolina women with gestational diabetes. Womens Health Issues. 2012;22(2):e163–169. 6,239 Health insurance claims Single health plan All eligible cases in universe 82.9
Harney C, Dude A, Haider S. Factors associated with short interpregnancy interval in women who plan postpartum LARC: a retrospective study. Contraception. 2017;95(3):245–250. 3,553 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 62.0
Harris A, Chang HY, Wang L, et al. Emergency Room Utilization After Medically Complicated Pregnancies: A Medicaid Claims Analysis. J Womens Health (Larchmt). 2015;24(9):745–754. 26,074 Health insurance claims Single health plan All eligible cases in universe 55.8
Harrison MS, Zucker R, Scarbro S, Sevick C, Sheeder J, Davidson AJ. Postpartum Contraceptive Use Among Denver-Based Adolescents and Young Adults: Association with Subsequent Repeat Delivery. J Pediatr Adolesc Gynecol. 2020;33(4):393–397.e391. 4,068 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 61.5
Herrick CJ, Keller MR, Trolard AM, Cooper BP, Olsen MA, Colditz GA. Postpartum diabetes screening among low income women with gestational diabetes in Missouri 2010–2015. BMC Public Health. 2019;19(1):148. 1,078 Electronic Health Record Defined set of clinics but more than 1 All eligible cases in universe 73.0
Ho J, Bachman-Carter K, Thorkelson S, et al. Glycemic control and healthcare utilization following pregnancy among women with pre-existing diabetes in Navajo Nation. BMC Health Serv Res. 2018;18(1):629 82 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 61.0
Hulsey TM, Laken M, Miller V, Ager J. The influence of attitudes about unintended pregnancy on use of prenatal and postpartum care. J Perinatol. 2000;20(8 Pt 1):513–519. 319 Patient survey Single hospital/healthcare system Non-probability sampling 83.0
Jones ME, Kubelka S, Bond ML. Acculturation status, birth outcomes, and family planning compliance among Hispanic teens. J Sch Nurs. 2001;17(2):83–89. 63 Medical chart review/abstraction Single hospital/healthcare system Non-probability sampling 71.0
Jones ME, Bond ML, Gardner SH, Hernandez MC. A call to action. Acculturation level and family-planning patterns of Hispanic immigrant women. MCN Am J Matern Child Nurs. 2002a;27(1):26–32; quiz 33. 376 Medical chart review/abstraction Single hospital/healthcare system Non-probability sampling 73.0
Jones ME, Bercier O, Hayes AL, Wentrcek P, Bond ML. Family planning patterns and acculturation level of high-risk, pregnant Hispanic women. J Nurs Care Qual. 2002b;16(4):46–55. 98 Medical chart review/abstraction Single hospital/healthcare system Non-probability sampling 73.4
Kentoffio K, Berkowitz SA, Atlas SJ, Oo SA, Percac-Lima S. Use of maternal health services: comparing refugee, immigrant and US-born populations. Matern Child Health J. 2016;20(12):2494–2501.§ 763 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 68.9
Kim C, Tabaei BP, Burke R, et al. Missed opportunities for type 2 diabetes mellitus screening among women with a history of gestational diabetes mellitus. Am J Public Health. 2006;96(9):1643–1648. 533 Electronic Health Record Single hospital/healthcare system All eligible cases in universe --
Kotha A, Chen BA, Lewis L, Dunn S, Himes KP, Krans EE. Prenatal intent and postpartum receipt of long-acting reversible contraception among women receiving medication-assisted treatment for opioid use disorder. Contraception. 2019;99(1):36–41.§ 791 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 30.0
Kozhimannil KB, Huskamp HA, Graves AJ, Soumerai SB, Ross-Degnan D, Wharam JF. High-deductible health plans and costs and utilization of maternity care. Am J Manag Care. 2011;17(1):e17–25.§ 2,409 Health insurance claims Single health plan All eligible cases in universe 57.2
Krans EE, Bobby S, England M, et al. The Pregnancy Recovery Center: A women-centered treatment program for pregnant and postpartum women with opioid use disorder. Addict Behav. 2018;86:124–129.§ 248 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 40.1
Leonard SA, Gee D, Zhu Y, Crespi CM, Whaley SE. Associations between preterm birth, low birth weight, and postpartum health in a predominantly Hispanic WIC population. J Nutr Educ Behav. 2014;46(6):499–505. 1,420 Patient survey Other Population representative sample 88.9
Levi E, Cantillo E, Ades V, Banks E, Murthy A. Immediate postplacental IUD insertion at cesarean delivery: a prospective cohort study. Contraception. 2012;86(2):102–105. 90 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 48.0
Levine LD, Nkonde-Price C, Limaye M, Srinivas SK. Factors associated with postpartum follow-up and persistent hypertension among women with severe preeclampsia. J Perinatol. 2016;36(12):1079–1082. 193 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 52.3
Lewey J, Levine LD, Yang L, Triebwasser JE, Groeneveld PW. Patterns of Postpartum Ambulatory Care Follow-up Care Among Women With Hypertensive Disorders of Pregnancy. Journal of the American Heart Association. 2020;9(17):e016357.§ 566,059 Health insurance claims Single health plan All eligible cases in universe 40.3
Lu MC, Prentice J. The postpartum visit: risk factors for nonuse and association with breast-feeding. Am J Obstet Gynecol. 2002;187(5):1329–1336. 9,953 Patient survey Nationally drawn Population representative sample 85.0
Masho SW, Cha S, Charles R, et al. Postpartum Visit Attendance Increases the Use of Modern Contraceptives. J Pregnancy. 2016;2016:2058127. 24,619 Health insurance claims Single health plan All eligible cases in universe 49.3
Masho SW, Cha S, Karjane N, et al. Correlates of Postpartum Visits Among Medicaid Recipients: An Analysis Using Claims Data from a Managed Care Organization. J Womens Health (Larchmt). 2018;27(6):836–843. 25,692 Health insurance claims Single health plan All eligible cases in universe 49.5
McCloskey L, Bernstein J, Winter M, Iverson R, Lee-Parritz A. Follow-up of gestational diabetes mellitus in an urban safety net hospital: missed opportunities to launch preventive care for women. J Womens Health (Larchmt). 2014;23(4):327–334. 415 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 80.2
Meade CM, Badell M, Hackett S, et al. HIV Care Continuum among Postpartum Women Living with HIV in Atlanta. Infect Dis Obstet Gynecol. 2019;2019:8161495. 245 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 76.0
Mercier RJ, Burcher TA, Horowitz R, Wolf A. Differences in Breastfeeding Among Medicaid and Commercially Insured Patients: A Retrospective Cohort Study. Breastfeed Med. 2018;13(4):286–291. 656 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 61.0
Mitra M, Clements KM, Zhang J, Iezzoni LI, Smeltzer SC, Long-Bellil LM. Maternal Characteristics, Pregnancy Complications, and Adverse Birth Outcomes Among Women With Disabilities. Med Care. 2015;53(12):1027–1032. 13,361 Patient survey Population-based, single state Population representative sample --
Morgan I, Hughes ME, Belcher H, Holmes L, Jr. Maternal Sociodemographic Characteristics, Experiences and Health Behaviors Associated with Postpartum Care Utilization: Evidence from Maryland PRAMS Dataset, 2012–2013. Matern Child Health J. 2018;22(4):589–598. 2,204 Patient survey Population-based, single state Population representative sample 89.6
Morris J, Ascha M, Wilkinson B, et al. Desired Sterilization Procedure at the Time of Cesarean Delivery According to Insurance Status. Obstet Gynecol. 2019;134(6):1171–1177.§ 481 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 61.5
Norton PJ, Mosley M, McBride DG, Garikapaty V. Factors in Accessing Routine Health Care: Mental Health and Postpartum Mothers. Mo Med. 2019;116(4):325–330. 10,513 Patient survey Population-based, single state Population representative sample 90.0
Ortiz FM, Jimenez EY, Boursaw
B, Huttlinger K. Postpartum Care for Women with Gestational Diabetes. MCN Am J Matern Child Nurs. 2016;41(2):116–122.
97 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 54.6
Oza-Frank R. Postpartum diabetes testing among women with recent gestational diabetes mellitus: PRAMS 2009–2010. Matern Child Health J. 2014;18(3):729–736. 575 Patient survey Population-based, multiple states Population representative sample 90.0
Parekh N, Jarlenski M, Kelley D. Prenatal and Postpartum Care Disparities in a Large Medicaid Program. Matern Child Health J. 2018;22(3):429–437. 12,228 Health insurance claims Single health plan Population representative sample 61.0
Rankin KM, Haider S, Caskey R, Chakraborty A, Roesch P, Handler A. Healthcare Utilization in the Postpartum Period Among Illinois Women with Medicaid Paid Claims for Delivery, 2009–2010. Matern Child Health J. 2016;20(Suppl 1):144–153. 55,577 Health insurance claims Single health plan All eligible cases in universe 81.1
Robbins CL, Zapata LB, Farr SL, et al. Core state preconception health indicators - pregnancy risk assessment monitoring system and behavioral risk factor surveillance system, 2009. MMWR Surveill Summ. 2014;63(3):1–62. Not stated Patient survey Population-based, multiple states Population representative sample 88.2
Rosenbach M, O’Neil S, Cook B, Trebino L, Walker DK. Characteristics, access, utilization, satisfaction, and outcomes of healthy start participants in eight sites. Matern Child Health J. 2010;14(5):666–679. 1,056 Patient survey Other Population representative sample 91.0
Rosenthal EW, Easter SR, Morton-Eggleston E, Dutton C, Zera C. Contraception and postpartum follow-up in patients with gestational diabetes. Contraception. 2017;95(4):431–433. 404 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 73.0
Russell MA, Phipps MG, Olson CL, Welch HG, Carpenter MW. Rates of postpartum glucose testing after gestational diabetes mellitus. Obstet Gynecol. 2006;108(6):1456–1462. 344 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 77.0
Schwarz EB, Braughton MY, Riedel JC, et al. Postpartum care and contraception provided to women with gestational and preconception diabetes in California’s Medicaid program. Contraception. 2017;96(6):432–438.§ 199,860 Health insurance claims Single health plan All eligible cases in universe 49.4
Shi L, Stevens GD, Wulu JT, Jr., Politzer RM, Xu J. America’s Health Centers: reducing racial and ethnic disparities in perinatal care and birth outcomes. Health Serv Res. 2004;39(6 Pt 1):1881–1901. 555,557 Other Nationally drawn All eligible cases in universe 72.8
Shim JY, Stark EL, Ross CM, Miller ES. Multivariable Analysis of the Association between Antenatal Depressive Symptomatology and Postpartum Visit Attendance. Am J Perinatol. 2019;36(10):1009–1013. 2,870 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 80.3
Sidebottom A, Vacquier M, LaRusso E, Erickson D, Hardeman R. Perinatal depression screening practices in a large health system: identifying current state and assessing opportunities to provide more equitable care.
Arch Womens Ment Health. 2021;24(1):133–144.
7,548 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 91.4
Stone SL, Diop H, Declercq E, Cabral HJ, Fox MP, Wise LA. Stressful events during pregnancy and postpartum depressive symptoms. J Womens Health (Larchmt). 2015;24(5):384–393. 5,395 Patient survey Population-based, single state Population representative sample 94.2
Taylor YJ, Liu TL, Howell EA. Insurance Differences in Preventive Care Use and Adverse Birth Outcomes Among Pregnant Women in a Medicaid Nonexpansion State: A Retrospective Cohort Study. J Womens Health (Larchmt). 2020;29(1):29–37. 9,613 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 67.9
Thiel de Bocanegra H, Chang R, Menz M, Howell M, Darney P. Postpartum contraception in publicly-funded programs and interpregnancy intervals. Obstet Gynecol. 2013;122(2 Pt 1):296–303. 117,644 Health insurance claims Single health plan All eligible cases in universe 85.0
Thiel de Bocanegra H, Braughton M, Bradsberry M, Howell M, Logan J, Schwarz EB. Racial and ethnic disparities in postpartum care and contraception in California’s Medicaid program.
Am J Obstet Gynecol.
2017;217(1):47.e41–47.e47.
199,860 Health insurance claims Single health plan All eligible cases in universe 49.4
Thurman AR, Janecek T. One-year follow-up of women with unfulfilled postpartum sterilization requests. Obstet Gynecol. 2010;116(5):1071–1077. 1,460 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe --
Upadhya KK, Burke AE, Marcell AV, Mistry K, Cheng TL. Contraceptive service needs of women with young children presenting for pediatric care. Contraception. 2015;92(5):508–512. 291 Patient survey Defined set of clinics but more than 1 Non-probability sampling 75.0
Vani K, Facco FL, Himes KP. Pregnancy after periviable birth: making the case for innovative delivery of interpregnancy care. J Matern Fetal Neonatal Med. 2019;32(21):3577–3580. 60 Medical chart review/abstraction Single hospital/healthcare system All eligible cases in universe 52.5
Warner LA, Wei W, McSpiritt E, Sambamoorthi U, Crystal S. Ante- and postpartum substance abuse treatment and antiretroviral therapy among HIV-infected women on Medicaid. J Am Med Womens Assoc (1972). 2003;58(3):143–153. 346 Health insurance claims Other All eligible cases in universe 37.9
Weir S, Posner HE, Zhang J, Willis G, Baxter JD, Clark RE. Predictors of prenatal and postpartum care adequacy in a medicaid managed care population. Womens Health Issues. 2011;21(4):277–285. 1,858 Other Single health plan All eligible cases in universe 60.1
Wilcox A, Levi EE, Garrett JM. Predictors of Non-Attendance to the Postpartum Follow-up Visit. Matern Child Health J. 2016;20(Suppl 1):22–27. 3,441 Electronic Health Record Single hospital/healthcare system All eligible cases in universe 67.0
Wilson EK, Fowler CI, Koo HP. Postpartum contraceptive use among adolescent mothers in seven states. J Adolesc Health. 2013;52(3):278–283. 3,207 Patient survey Population-based, multiple states Population representative sample 85.9
York R, Tulman L, Brown K. Postnatal care in low-income urban African American women: relationship to level of prenatal care sought. J Perinatol. 2000;20(1):34–40. 297 Patient survey Single hospital/healthcare system Non-probability sampling --
Zapata LB, Murtaza S, Whiteman MK, et al. Contraceptive counseling and postpartum contraceptive use. Am J Obstet Gynecol. 2015;212(2):171.e171–178. 9,536 Patient survey Population-based, multiple states Population representative sample 92.3

Abbreviations: postpartum visit, PPV

Sample size not provided for postpartum visit attendance population

Overall postpartum visit attendance rate not provided and could not be calculated based on the information presented in the manuscript

§

Authors calculated the overall postpartum visit attendance rate based on information in manuscript