Table 1.
Characteristics at first pregnancy among women who had a singleton birth followed by a second pregnancy within 18–36 months in Washington State between 2003–2013
| Characteristics | Normal BMI (n = 33,080) | Overweight (n = 8160) | Obese (n =7892) | |||
|---|---|---|---|---|---|---|
|
|
|
|
||||
| n | % | n | % | n | % | |
| Age (years) | ||||||
| <18 | 1151 | 3.5 | 245 | 3.0 | 199 | 2.5 |
| 18–24 | 10527 | 31.8 | 2855 | 35.0 | 3135 | 39.7 |
| 25–34 | 19053 | 57.6 | 4458 | 54.6 | 4038 | 51.2 |
| >/=35 | 2343 | 7.1 | 602 | 7.4 | 520 | 6.6 |
| Race/Ethnicity | ||||||
| Asian | 3478 | 10.6 | 462 | 5.7 | 279 | 3.5 |
| Black | 786 | 2.4 | 231 | 2.8 | 269 | 3.4 |
| Hispanic | 1580 | 4.8 | 503 | 6.2 | 471 | 6.0 |
| White | 26575 | 80.9 | 6719 | 82.3 | 6529 | 82.7 |
| Other | 411 | 1.3 | 185 | 2.3 | 269 | 3.4 |
| Education | ||||||
| <12 | 3365 | 10.2 | 844 | 10.4 | 959 | 12.2 |
| 12 | 5168 | 15.7 | 1491 | 18.3 | 1839 | 23.4 |
| >12 | 24403 | 74.1 | 5795 | 71.3 | 5055 | 64.4 |
| Ever Smoked During Pregnancy | ||||||
| Yes | 1710 | 5.2 | 487 | 6.0 | 728 | 9.3 |
| Infant Breastfed | ||||||
| Yes | 31577 | 96.8 | 7769 | 96.7 | 7388 | 95.0 |
| Married | ||||||
| Yes | 25808 | 78.1 | 6087 | 74.7 | 5422 | 68.8 |
| Enrolled in WIC | ||||||
| Yes | 7533 | 24.8 | 2159 | 28.9 | 2629 | 36.2 |
| Missing | 2766 | 8.4 | 684 | 8.4 | 624 | 7.9 |
| Gestational Diabetes | ||||||
| Yes | 850 | 2.6 | 347 | 4.3 | 590 | 7.5 |
| Employment Status | ||||||
| Employed | 28055 | 97.3 | 6927 | 97.0 | 6580 | 95.8 |
| Missing | 4249 | 12.8 | 1019 | 12.5 | 1027 | 13.0 |
a
Percentages among non-missing.. Missing < 5% unless noted