Table 1. Characteristics of study participants in the parent trial, and ancillary study (and by randomized arm).
| Parent trial | Ancillary study All participants | Ancillary study Control | Ancillary study Diet | Ancillary study Exercise | Ancillary study Diet+Exercise | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | mean ± SD | n | mean ± SD | n | mean ± SD | n | n | mean ± SD | n | mean ± SD | ||
| Age (year) | 439 | 58.0 ± 5.0 | 226 | 58.2 ± 5.3 | 44 | 57.1 ± 4.4 | 54 | 57.9 ± 6.6 | 62 | 59.1 ± 5.1 | 66 | 58.4 ± 4.7 |
| Ethnicity, n (%) | ||||||||||||
| Non-Hispanic White | 373 (85.0%) | 189 (83.6%) | 34 (77.3%) | 47 (87.0%) | 51 (82.3%) | 57 (86.4%) | ||||||
| Others | 66 (15.0%) | 37 (16.4%) | 10 (22.7%) | 7 (13.0%) | 11 (17.7%) | 9 (13.6%) | ||||||
| Education, N (%) | ||||||||||||
| No college degree | 152 (34.6%) | 80 (35.4%) | 15 (34.1%) | 21 (38.9%) | 26 (41.9%) | 18 (27.3%) | ||||||
| College degree | 287 (65.4%) | 146 (64.6%) | 29 (65.9%) | 33 (61.1%) | 36 (58.1%) | 48 (72.7%) | ||||||
| BMI (kg/m2) | 439 | 30.9 ± 4.0 | 226 | 30.6 ± 4.0 | 44 | 30.2 ± 4 | 54 | 30.5 ± 3.9 | 62 | 30.5 ± 3.6 | 66 | 31.2 ± 4.5 |
| Body fat (%) | 439 | 47.2 ± 4.3 | 226 | 47.1 ± 4.3 | 44 | 46.5 ± 4.6 | 54 | 46.8 ± 3.9 | 62 | 47.2 ± 4.3 | 66 | 47.7 ± 4.4 |
| Aerobic fitness (kg/ml/min) | 439 | 22.9 ± 4.0 | 226 | 23.3 ± 4.0 | 44 | 23.8 ± 4.2 | 54 | 22.7 ± 4.6 | 62 | 22.7± 3.5 | 66 | 24.0 ± 3.8 |
| Daily calorie intake (kcal/day) | 427 | 1934 ± 638 | 221 | 1928 ± 643 | 43 | 1948 ± 673 | 53 | 1836 ± 66 | 61 | 2026 ± 629 | 64 | 1898 ± 621 |
| Dietary fiber intake (g/day) | 427 | 20.6 ± 8.5 | 221 | 20.7 ± 8.9 | 43 | 19.3 ± 9 | 53 | 18.7 ± 7.7 | 61 | 23.6 ± 8.7 | 64 | 20.6 ± 9.4 |
| Aerobic fitness (kg/ml/min) | 44 | 23.8 ± 4.2 | 54 | 22.7 ± 4.6 | 62 | 22.7 ± 3.5 | 66 | 24.0 ± 3.8 | ||||