Validating Insurance Information on the California Birth Certificate: A Tool for Monitoring Financial Access to Maternity Care, 1994-1995 (ICPSR 6690)
The goal of this study was to assess the validity of the insurance information given on birth certificates in California. Mothers of recently-delivered babies were queried at the hospital on the source of their prenatal care insurance coverage and on their delivery insurance coverage. Delivery insurance information was also gathered from the respondent's hospital chart. These data were matched to insurance coverage information from the state's birth certificate database, linked to each respondent. This information covers principal source of payment for prenatal care and expected principal source of payment for delivery. Demographic information supplied in this collection includes the mother's education, age, race, whether this was the mother's first baby, whether the mother was foreign-born, and the month prenatal care began.
The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.
Braveman, Paula. Validating Insurance Information on the California Birth Certificate: A Tool for Monitoring Financial Access to Maternity Care, 1994-1995. ICPSR06690-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1996. http://doi.org/10.3886/ICPSR06690.v1
Persistent URL: http://doi.org/10.3886/ICPSR06690.v1
This study was funded by:
- Robert Wood Johnson Foundation (21899 (RWJ))
- United States Department of Health and Human Services. Agency for Healthcare Research and Quality
- State of California Maternal and Health Care Branch. Department of Health Services
Scope of Study
Sample: Stratified cluster sampling of hospitals, with convenience sampling of women within study hospitals. Nineteen hospitals were initially chosen to represent a geographically and socioeconomically representative sample of California's delivery population. Women were eligible for inclusion in the study if they met the following criteria: (1) they had recently delivered a live-born infant at a study hospital, (2) they spoke English or Spanish, (3) they were over the age of 17 (or were an emancipated minor if under age 17), (4) they were nonincarcerated during pregnancy, (5) charge nurse approval was obtained, and (6) informed consent was obtained. Overall, 10,132 women were interviewed. The survey data were then matched to birth certificate data using information such as mother's name and baby's birth weight. Cases that did not produce a significant match were excluded. Data from 3 of the 19 hospitals were dropped due to low (less than 95 percent) linkage rates. The final sample contains data from 7,429 women, successfully linked, out of 7,633 available survey records for 16 hospitals.
(1) personal interviews, (2) hospital patient charts, and (3) California birth certificate records from the Automated Vital Statistics System of the Office of Vital Records and Statistics, Department of Health Services, State of California
Original ICPSR Release: 1996-04-12
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