Table 1 Participant characteristics and validation measures
All (n = 60) | Boys (n = 30) | Girls (n = 30) | |
|---|---|---|---|
n (%) | n (%) | n (%) | |
Age | |||
8–12 years | 29 (48%) | 16 (53%) | 13 (43%) |
13–17 years | 31 (52%) | 14 (47%) | 17 (57%) |
Race/Ethnicity | |||
Non-Hispanic White | 25 (42%) | 14 (47%) | 11 (37%) |
Non-Hispanic Black | 22 (37%) | 10 (33%) | 12 (40%) |
Hispanic White | 8 (13%) | 3 (10%) | 5 (17%) |
Asian | 3 (5%) | 1 (3%) | 2 (7%) |
Multi-racial | 2 (3%) | 2 (7%) | 0 (0%) |
Weight Status | |||
Underweight | 3 (5%) | 2 (7%) | 1 (3%) |
Healthy Weight | 29 (48%) | 17 (57%) | 12 (40%) |
Overweight | 11 (18%) | 3 (10%) | 8 (27%) |
Obesity (not severe) | 12 (20%) | 7 (23%) | 5 (17%) |
Severe Obesity | 5 (8%) | 1 (3%) | 4 (13%) |
Mean (SD) | Mean (SD) | Mean (SD) | |
BMI Percentile | 67.8 (31.4) | 63.9 (31.8) | 71.7 (31.0) |
BMI Z-score | 0.69 (1.24) | 0.52 (1.26) | 0.87 (1.22) |
% Body Fat * | 31.5 (9.0) | 27.6 (9.3) | 35.5 (6.9) |
VO2peak (mL/kg FFM/min) | 40.5 (8.1) | 42.5 (7.1) | 38.8 (8.7) |
% of Time Sedentary in Free-Choice Play Period | 57 (36) | 56 (35) | 57 (37) |
Daily Wear Time (min) | 1074 (103) | 1074 (111) | 1075 (96) |
Daily Sedentary Time (min) * | 151 (49) | 138 (41) | 165 (53) |
Daily MVPA (min) * | 45 (17) | 50 (19) | 40 (13) |