Table 2.
Characteristics of Children Classified as Having Early Body Mass Index Rebound Versus Those Without Early Body Mass Index Rebound, Project Viva, Boston, Massachusetts, 1999–2002
| Characteristic |
Early Rebound
(n = 243) |
No Early Rebound
(n = 406) |
||
|---|---|---|---|---|
| % | Mean (SD) | % | Mean (SD) | |
| Maternal factors | ||||
| Prepregnancy BMIa | 25.6 (5.6) | 24.4 (4.8) | ||
| College education | 68 | 73 | ||
| Smoking history | ||||
| Never smoked | 71 | 73 | ||
| Smoked before pregnancy | 19 | 21 | ||
| Smoked during pregnancy | 9 | 6 | ||
| Gestational weight gain, kg | 15.5 (5.9) | 15.4 (5.3) | ||
| Abnormal glucose tolerance (IH, GIGT, GDM) | 18 | 17 | ||
| Pregnancy hypertension (GH, PE, CH) | 10 | 9 | ||
| Paternal BMI | 27.4 (4.4) | 26.0 (3.7) | ||
| Paternal college education | 65 | 67 | ||
| Child factors | ||||
| Birth weight-for-gestational-age z score, SD units | 0.2 (0.9) | 0.3 (1.0) | ||
| Gestational age at delivery, weeks | 39.5 (1.6) | 39.6 (1.6) | ||
| No breastfeeding initiation | 10 | 11 | ||
| Male sex | 46 | 56 | ||
| White race/ethnicity | 67 | 68 | ||
| Age in early childhood, months | 36.8 (5.5) | 37.5 (3.9) | ||
| BMI in early childhood | 16.1 (1.3) | 16.5 (1.2) | ||
Abbreviations: BMI, body mass index; CH, chronic hypertension; GDM, gestational diabetes mellitus; GH, gestational hypertension; GIGT, gestational impaired glucose tolerance; IH, isolated hyperglycemia; PE, preeclampsia; SD, standard deviation.
a Weight (kg)/height (m)2.