Table 1.
Demographic Data
| Variable | N (%) |
|---|---|
| Age (years) | |
| • <20 | 23 (24) |
| • 20–30 | 66 (68) |
| • >30 | 8 (8) |
| Education (grade range = 3–16 years) | |
| • Some elementary school | 4 (4) |
| • Some high school | 39 (40) |
| • Completed high school | 33 (34) |
| • Beyond high school | 21 (22) |
| Parity | |
| • Primiparous | 30 (31) |
| • Multiparous | 67 (69) |
| Gestation | |
| • Preterm (< 37 weeks) | 11 (11.3) |
| • Term (≥ 37 weeks) | 86 (88.7) |
| Marital status | |
| • Married | 7 (7) |
| • Single with partner | 67 (69) |
| • Never married, no partner | 22 (23) |
| • Separated | 1 (1) |
| Insurance | |
| • Public | 87 (90) |
| • Private | 10 (10) |
| Smoked | 23 (24) |
| Variable | Mean (SD) |
| Prepregnancy body mass index (BMI): kg/m2 | 28.6 (5.5) |
| Gestational weight gain: pounds | 31.5 (16.2) |
| Infant birth weight (full term): grams | 3326 (423) |
| BMI change: 6 mo. postpartum BMI - prepregnancy BMI | 2.1 (3.0) |
| Physical activity during pregnancy (MET-hours/week) | |
| • < 22 weeks gestation | 286.3 (120.9) |
| • ≥ 22 & ≤ 29 weeks gestation | 249.8 (96.3) |
| • ≥ 32 weeks gestation | 233.3 (100.6) |
Note. N = 97