Table 1.
Characteristics of 401 Normal Weight and Overweight Women Early in Pregnancy
| Overall n = 401 | NW n = 203 | OW/OB n = 198 | p valuea | |
|---|---|---|---|---|
| Age, years (SD) | 28.7 (5.2) | 28.2 (5.3) | 29.1 (5.0) | 0.16 |
| Prepregnancy BMI, kg/m2 (SD) | 26.4 (5.7) | 22.7 (1.9) | 30.6 (5.2) | 0.0001 |
| Education > high school, % | 85.8 | 86.1 | 85.6 | 0.88 |
| Non-Hispanic Caucasian, % | 65.3 | 69.1 | 61.5 | 0.39 |
| Latina/Hispanic, % | 19.0 | 16.7 | 21.1 | |
| African American, % | 8.5 | 7.1 | 9.9 | |
| Other, % | 7.2 | 7.1 | 7.5 | |
| Income >$25,000/y, % | 78.9 | 81.2 | 76.3 | 0.26 |
| Primiparous, % | 76.6 | 86.1 | 66.7 | 0.0001 |
| Married, % | 69.3 | 68.3 | 70.3 | 0.74 |
| Community-based clinic, % | 26.1 | 24.6 | 27.7 | 0.55 |
| Weeks gestation, mean (SD) | 13.6 (1.8) | 13.7 (1.8) | 13.4 (1.9) | 0.18 |
| Dieting history, mean (SD) | 6.3 (1.1) | 5.8 (0.9) | 6.8 (1.2) | 0.0001 |
a
Compares NW vs. OW/OB groups; based on chi-square test for categorical variables and independent t test for continuous variables.
BMI, body mass index; NW, normal weight; OW/OB, overweight/obese; SD, standard deviation.