Table A1.
Baseline characteristics of the participants with incomplete follow-up compared to the participants with complete follow-up.
| Characteristic | Participants with incomplete follow-up N = 92 | Participants with complete follow-up N = 172 | p-Value* | ||
|---|---|---|---|---|---|
| Gender (% female) | 40.2 | 54.7 | 0.025 | ||
| Nationality (% non-U.S.) | 7.6 | 7.0 | 0.850 | ||
| Mean | SD | Mean | SD | ||
| Age (years) | 18.1 | 0.3 | 18.1 | 0.2 | 0.546 |
| Weight (kg) | 66.8 | 13.2 | 62.7 | 11.6 | 0.018 |
| Body mass index (kg/m2) | 22.6 | 3.1 | 21.7 | 3.0 | 0.011 |
| Waist circumference (cm) | 74.9 | 8.9 | 72.4 | 7.9 | 0.016 |
| Hip circumference (cm) | 97.3 | 7.3 | 95.5 | 7.3 | 0.074 |
| Total body fat (%) | 22.2 | 7.8 | 20.9 | 7.3 | 0.308 |
| Fat mass index (kg/m2) | 5.2 | 2.8 | 4.7 | 2.1 | 0.229 |
| Total physical activity (MET·hr/d)‡ | 11.4 | 13.9 | 9.8 | 9.3 | 0.879 |
| Sedentary time (hr/d) | 5.8 | 2.8 | 6.6 | 2.9 | 0.079 |
| Usual energy intake (kcal/d) | 1925 | 760 | 2081 | 784 | 0.210 |
| Carbohydrate (% total kcal)‡ | 49.4 | 7.3 | 48.7 | 7.5 | 0.443 |
| Protein (% total kcal)‡ | 16.1 | 2.8 | 16.2 | 3.2 | 0.856 |
| Fat (% total kcal)‡ | 31.6 | 6.1 | 32.7 | 6.4 | 0.282 |
Note.
*
Statistical significance was from a two-sample Student’s t-test for variables meeting the underlying assumptions of the test, otherwise, statistical significance was from the Wilcoxon Signed Rank non-parametric test (p <0.05 bolded).
‡
Mean percent of energy from alcohol consumption <1% in both groups; macronutrient total does not sum to 100% due to rounding.