Estimating the effect of Prenatal Care Coordination in Wisconsin: A sibling fixed effects analysis.

Health Serv Res

Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin.

Published: February 2020

AI Article Synopsis

  • - The study aimed to evaluate how Prenatal Care Coordination (PNCC) affects birth outcomes for deliveries covered by Wisconsin Medicaid, analyzing data from linked birth records and Medicaid claims from 2008-2012.
  • - Researchers categorized PNCC treatment into three levels based on service received and measured outcomes like birth weight and preterm birth, using advanced statistical methods to account for various maternal characteristics.
  • - Results indicated that PNCC service uptake led to significant reductions in low birth weight and preterm births, suggesting the need for enhanced outreach and implementation of similar programs to improve birth outcomes.

Article Abstract

Objective: To estimate Prenatal Care Coordination's (PNCC) effect on birth outcomes for Wisconsin Medicaid-covered deliveries.

Data Source: A longitudinal cohort of linked Wisconsin birth records (2008-2012), Medicaid claims, and state-administered social services.

Study Design: We defined PNCC treatment dichotomously (none vs. any) and by service level (none vs. assessment/care plan only vs. service uptake). Outcomes were birthweight (grams), low birthweight (<2500 g), gestational age (completed weeks), and preterm birth (<37 weeks). We estimated PNCC's effect on birth outcomes, adjusting for maternal characteristics, using inverse-probability of treatment weighted and sibling fixed effects regressions.

Data Collection/extraction Methods: We identified 136 224 Medicaid-paid deliveries, of which 33 073 (24.3 percent) linked to any PNCC claim and 22 563 (16.6 percent) linked to claims for PNCC service uptake.

Principal Findings: Sibling fixed effects models-which best adjust for unobserved confounding and treatment selection-produced the largest estimates for all outcomes. For example, in these models, PNCC service uptake was associated with a 1.3 percentage point (14 percent) reduction and a 1.8 percentage point (17 percent) reduction in the probabilities of low birthweight and preterm birth, respectively (all P < .05).

Conclusions: PNCC's modest but significant improvement of birth outcomes should motivate stronger PNCC outreach and implementation of similar programs elsewhere.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6980950PMC
http://dx.doi.org/10.1111/1475-6773.13239DOI Listing

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