TABLE 1.
Participant Characteristics at Baseline: United States, 2011–2016
| Characteristics | Total (N = 1519) N (%) | Intervention (n = 753) n (%) | Control (n = 766) n (%) |
|---|---|---|---|
| Age in years M (SD) | 12.1 ( 1.0) | 12.1 (1.0) | 12.1 (1.0) |
| Race* | |||
| Black | 915 (60.2) | 423 (56.2) | 492 (64.2) |
| Non-black | 604 (39.8) | 330 (43.8) | 274 (35.8) |
| Ethnicity | |||
| Hispanic | 201 (13.2) | 111 (14.7) | 90 (11.8) |
| Non-Hispanic | 1232 (81.1) | 603 (80.1) | 629 (82.1) |
| Missing | 86 (5.7) | 39 (5.2) | 47 (6.1) |
| Free/reduced price lunch | |||
| Yes | 1182 (77.8) | 577 (76.6) | 605 (79.0) |
| No | 234 (15.4) | 113 (15.0) | 121 (15.8) |
| Missing | 103 (6.8) | 63 (8.4) | 40 (5.2) |
| Pubertal stage | |||
| Pre-puberty | 59 (3.9) | 34 (4.5) | 25 (3.3) |
| Early puberty | 143 (9.4) | 64 (8.5) | 79 (10.3) |
| Mid-puberty | 601 (39.6) | 298 (39.6) | 303 (39.6) |
| Late puberty | 708 (46.6) | 353 (46.9) | 355 (46.4) |
| Post-puberty | 2 (0.1) | 1 (0.1) | 1 (0.1) |
| Missing | 6 (0.4) | 3 (0.4) | 3 (0.4) |
| Weight status* | |||
| Underweight | 18 (1.2) | 8 (1.1) | 10 (1.3) |
| Healthy weight | 687 (45.2) | 366 (48.6) | 321 (41.9) |
| Overweight | 305 (20.1) | 154 (20.5) | 151 (19.7) |
| Obese | 478 (31.5) | 215 (28.6 ) | 263 (34.3) |
| Missing | 31 (2.0) | 10 (1.3) | 21 (2.7) |
Note. Table includes non-imputed data; M = Mean; SD = Standard deviation; N or n = Number.
*
p < .05, calculated with chi-square test.