Table 2 Sample characteristics by revision period and pre-pregnancy weight category
Pre July 2010 | Post July 2010 | |||
|---|---|---|---|---|
Overweight N = 47,135 | Obese N = 41,913 | Overweight N = 70,346 | Obese N = 69,826 | |
% or Mean (SD) | % or Mean (SD) | % or Mean (SD) | % or Mean (SD) | |
Maternal Characteristics | ||||
Age, years | ||||
< 25 | 31.7 | 29.6 | 23.5 | 22.9 |
25–34 | 51.7 | 54.0 | 58.2 | 59.1 |
35+ | 16.6 | 16.4 | 18.3 | 18.0 |
Race/Ethnicity | ||||
White | 54.4 | 53.2 | 49.2 | 46.4 |
Black | 18.7 | 23.2 | 18.2 | 23.6 |
Hispanic/Latina | 14.4 | 12.4 | 17.7 | 16.8 |
Asian/Pacific Islander | 6.3 | 4.0 | 6.2 | 3.1 |
American Indian/Alaskan Native | 4.4 | 5.4 | 3.9 | 4.9 |
Other | 1.8 | 1.8 | 4.8 | 5.3 |
Education | ||||
Less than high school | 14.7 | 14.2 | 11.7 | 11.7 |
High school | 30.3 | 34.8 | 24.0 | 28.8 |
Some college | 27.2 | 30.3 | 31.1 | 36.1 |
College or more | 27.8 | 20.6 | 33.2 | 23.5 |
Married | 62.8 | 60.3 | 61.2 | 55.5 |
Parity | ||||
Nulliparous | 39.3 | 36.9 | 37.6 | 35.1 |
Parity 1 | 31.7 | 31.4 | 32.0 | 31.2 |
Parity 2+ | 29.0 | 31.7 | 30.5 | 33.8 |
Medicaid during pregnancy | 43.7 | 50.7 | 44.7 | 53.6 |
Annual household income ≥ $50,000a | 44.4 | 37.4 | 43.9 | 35.2 |
WIC during pregnancy | 47.4 | 55.8 | 44.7 | 53.5 |
Maternal Outcomes | ||||
Gestational weight gain, lbs | 29.6 (14.7) | 24.0 (15.8) | 29.9 (15.4) | 24.1 (17.0) |
Gestational diabetes | 11.6 | 18.3 | 11.4 | 18.1 |
GWG within IOM recommendation | 28.8 | 27.3 | 26.2 | 24.8 |
Infant Outcomes | ||||
Preterm birth | 21.6 | 25.4 | 17.1 | 19.8 |
Low birthweight | 24.2 | 27.8 | 18.4 | 20.7 |
Very low birthweight | 6.0 | 8.6 | 3.6 | 4.9 |
Small for gestational age | 14.5 | 14.8 | 13.3 | 12.7 |
Large for gestational age | 11.0 | 13.5 | 10.8 | 14.0 |
Macrosomia | 1.3 | 2.1 | 1.3 | 1.9 |