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Newly released data from the revised U.S. birth certificate, 2011
Insights
This study presents new U.S. birth data, revealing variations in prepregnancy obesity, smoking habits, WIC program use, infertility treatments, and delivery payment sources across states. These findings highlight diverse maternal health factors influencing birth outcomes.
Area of Science:
- Reproductive Health
- Maternal and Child Health
- Public Health Surveillance
Background:
- The 2003 revision of the U.S. Standard Certificate of Live Birth introduced new data items for enhanced maternal and infant health surveillance.
- Multistate data collection is crucial for understanding variations in health behaviors and outcomes across diverse populations.
Purpose of the Study:
- To report the first multistate data release for key items from the revised U.S. Standard Certificate of Live Birth for 2011.
- To describe variations in prepregnancy body mass index, smoking behaviors, WIC program participation, infertility treatment, delivery payment sources, and maternal morbidities.
Main Methods:
- Descriptive statistics were calculated using 100% of live births in 2011 from 36 states, D.C., and Puerto Rico that adopted the revised birth certificate.
- The reporting area represented 83% of all 2011 U.S. births, though it is not a random sample and results are not generalizable to the entire U.S.
Main Results:
- Prepregnancy obesity prevalence varied significantly, from 18.0% in Utah to 28.6% in South Carolina.
- Hispanic women exhibited lower smoking rates pre-pregnancy and higher cessation rates compared to other groups.
- Younger women (under 20) were more likely to receive WIC benefits than older women (35+).
- Births resulting from infertility treatment ranged from 0.3% to over 3.5%, and Medicaid covered 28.8% to 64.2% of deliveries.
Conclusions:
- The revised birth certificate provides valuable insights into critical maternal health indicators and disparities.
- Significant state-level variations in prepregnancy obesity, smoking, WIC utilization, and delivery payment sources underscore the need for targeted public health interventions.
- These data are essential for monitoring and improving maternal and child health across the United States.
Objectives:
This report is the first release of multistate data for selected items exclusive to the 2003 revision of the U.S. Standard Certificate of Live Birth. Included is information for prepregnancy body mass index, smoking and quitting smoking in the 3 months prior to pregnancy, receipt of food from the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) during pregnancy, pregnancy resulting from infertility treatment, source of payment for delivery, and maternal morbidities.
Methods:
Descriptive statistics are presented for 100% of 2011 births to residents of the 36 states, the District of Columbia (D.C.), and Puerto Rico that had implemented the revised birth certificate by January 1, 2011. This reporting area is not a random sample, and results are not generalizable to the United States as a whole.
Results:
The 3,267,934 births to residents of the 36-state and D.C. reporting area represented 83% of all 2011 U.S. births. Levels of prepregnancy obesity ranged from 18.0% in Utah to 28.6% in South Carolina. Hispanic women were the least likely to smoke in the 3 months prior to pregnancy and were the most likely to quit smoking prior to pregnancy. Women under age 20 were more than twice as likely to receive WIC food during pregnancy as women aged 35 and over in nearly all states and D.C. The percentage of births resulting from infertility treatment ranged from 0.3% in New Mexico to over 3.5% in Maryland and Utah. The percentage of deliveries covered by Medicaid ranged from 28.8% in North Dakota to 64.2% in Louisiana.
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