Table 1.
Baseline participant characteristics by completeness of participation.
| Baseline characteristics | All participants N = 264* | Participants with follow-up N = 172† | ||
|---|---|---|---|---|
| Sex (% female) | 49.6 | 54.7 | ||
| Nationality (% non-U.S.) | 7.2 | 7.0 | ||
| Mean | SD | Mean | SD | |
| Age (years) | 18.1 | 0.3 | 18.1 | 0.2 |
| Weight (kg) | 63.9 | 12.2 | 62.7 | 11.6 |
| BMI (kg/m2) | 22.0 | 3.1 | 21.7 | 3.0 |
| WC (cm) | 73.1 | 8.3 | 72.4 | 7.9 |
| HC (cm) | 96.0 | 7.3 | 95.5 | 7.3 |
| Total BF (%) | 21.2 | 7.4 | 20.9 | 7.3 |
| FMI (kgadipose/m2) | 4.8 | 2.2 | 4.7 | 2.1 |
| Total PA (MET·hr/d) | 10.2 | 10.9 | 9.8 | 9.3 |
| Sedentary time (hr/d) | 6.3 | 2.9 | 6.6 | 2.9 |
| Usual energy intake (kcal/d) | 2034 | 778 | 2081 | 784 |
| Carbohydrate (% energy)‡ | 48.9 | 7.4 | 48.7 | 7.5 |
| Protein (% energy)‡ | 16.2 | 3.1 | 16.2 | 3.2 |
| Fat (% energy)‡ | 32.4 | 6.4 | 32.7 | 6.4 |
Note. Abbreviations: BMI, body mass index; WC, waist circumference; HC, hip circumference; BF, body fat; FMI, fat mass index; PA, physical activity.
*
Sample size varies slightly by variable due to missing data; N > 235 except for energy intake (N = 196).
†
Sample size at final follow-up varies slightly by variable due to missing data; N > 163, except for energy intake (N = 137).
‡
Macronutrient total does not sum to 100% due to rounding.