Table 1.
Baseline characteristics by exercise and control groups in sedentary women with obesity
| Variable | Overall n = 80 | Control n = 40 | Exercise n = 40 |
|---|---|---|---|
| Age at enrollment, yr | 28.9 ± 4.5 | 28.7 ± 4.4 | 29.2 ± 4.6 |
| Parity | 2.2 ± 0.2¥ | 2.1 ± 0.2§ | 2.2 ± 0.2§ |
| Race | |||
| Caucasian | 58 (73%) | 29 (72%) | 29 (72%) |
| African American | 20 (25%) | 11 (28%) | 9 (22%) |
| More than one/missing | 2 (2%) | 0 (0%) | 2 (4%) |
| Ethnicity | |||
| Non-Hispanic | 73 (91%) | 36 (90%) | 37 (92%) |
| Hispanic | 7 (9%) | 4 (10%) | 3 (8%) |
| Weight, 12 wk, kg | 99.4 ± 17.4 | 99.5 ± 21.2 | 99.2 ± 12.4 |
| BMI, 12 wk, kg/m2 | 36.9 ± 5.7 | 37.6 ± 6.8 | 36.2 ± 4.2 |
| Fat free mass, 12 wk, kg | 50.6 ± 7.1* | 50.6 ± 8.4 | 50.5 ± 5.4 |
| Fat mass, 12 wk, kg | 48.7 ± 12.5* | 48.9 ± 14.4 | 48.6 ± 10.1 |
| Body fat percentage, 12 wk, % | 48.6 ± 5.4* | 48.5 ± 5.5 | 48.7 ± 5.2 |
| Gestational weight gain, kg | 9.3 ± 5.3 | 8.7 ± 5.1 | 10.0 ± 5.5 |
Means ± SD; *n = 79 because of missing data; ¥n = 68 because of missing data; §n = 34 because of missing data. Student’s t-tests were used to compare control and exercise groups. No statistical differences between exercise and control for any of the presented variables (P ≥ 0.05).