Table 1.
Sample Characteristics
| Variable | %(n)a |
|---|---|
| Age, years, mean, (SD) | 30.9 (5.6) |
| 18–24 | 14.2 (64) |
| 25–34 | 55.8 (251) |
| 35+ | 30.0 (135) |
| Race | |
| White | 52.7 (237) |
| African American | 45.1 (203) |
| Other | 2.2 (10) |
| Education | |
| High school graduate or less | 20.7 (93) |
| Some college | 24.4 (110) |
| College degree | 54.9 (247) |
| Marital status | |
| Unmarried | 20.4 (92) |
| Married/cohabitating | 79.6 (358) |
| Parity | |
| One child | 41.1 (185) |
| Two children | 36.0 (162) |
| Three or more children | 22.9 (103) |
| Baseline weight, kg, mean (SD) | 88.8 (18.5) |
| Baseline height, cm, mean (SD) | 163.8 (6.4) |
| Body mass index, kg/m2, mean (SD)25 | 33.0 (6.4) |
| 25–29.9 (overweight) | 40.0 (180) |
| 30–34.9 (obese class I) | 31.3 (141) |
| 35–39.9 (obese class II) | 15.6 (70) |
| 40+ (obese class III) | 13.1 (59) |
| Gestational weight gain, kg, mean (SD)24 | 14.9 (8.7) |
| Below IOM recommendations | 19.6 (88) |
| Within IOM recommendations | 20.8 (93) |
| Above IOM recommendations | 59.6 (267) |
| Study arm | |
| Control | 50.0 (225) |
| AMP intervention | 50.0 (225) |
| Pregnancy since baseline (at 24 months) | |
| No | 82.2 (346) |
| Yes | 17.8 (75) |
| Physical activity (at 12 months, mean (SD) | 3.5 (1.8) |
| <1 day per week | 6.2 (24) |
| 1–4 days per week | 66.9 (259) |
| 5–7 days per week (meet ACSM guideline)26 | 26.9 (104) |
| Lactation score (at 12 months), mean (SD) | 8.2 (8.7) |
| 0 | 33.8 (140) |
| 1–5 | 15.7 (65) |
| 6–11 | 16.9 (70) |
| 12–17 | 14.5 (60) |
| 18–24 | 19.1 (79) |
| Hormonal contraception (at 12 months) | |
| No | 74.3 (271) |
| Yes | 25.7 (94) |
Measured at baseline, except where noted.
a
Presented as %(n), except where noted.
AMP, Active Mothers Postpartum; ASCM, American College of Sports Medicine; IOM, Institute of Medicine; SD, standard deviation.