Table 1. Participant characteristics (Mean (SD)).
| Boys (N = 54) | Girls (N = 71) | All (N = 125) | |
| Age, y | 14.3 (1.7) | 14.6 (1.7) | 14.5 (1.7) |
| Height, cm | 168.6 (11.5) | 164.8 (6.6) | 166.5 (9.2)* |
| Weight, kg | 93.7 (22.3) | 93.3 (14.7) | 93.5 (18.3) |
| BMI(sds) | 3.0 (0.5) | 2.9 (0.4) | 2.9 (0.5)* |
| Trunk fat mass, % | 37.4 (4.7)a | 41.3 (4.1)b | 39.7 (4.8)* |
| Total fat mass, % | 39.1 (4.1)a | 42.3 (3.5)b | 40.9 (4.1)* |
| Systolic BP, mm Hg | 111.2 (11.4) | 108.0 (10.9) | 109.4 (11.2) |
| Diastolic BP, mm Hg | 61.3 (6.6) | 59.2 (7.5) | 60.1 (7.2) |
| Fasting glucose, mmol/l | 5.1 (0.3) | 5.0 (0.46)b | 5.0 (0.4) |
| Glucose 30, mmol/l | 8.0 (1.3) | 7.5 (1.3)c | 7.7 (1.3)* |
| Glucose 120, mmol/l | 6.0 (1.1) | 6.0 (1.1)b | 6.0 (1.1) |
| Fasting insulin, pmol/l | 117.7 (66.1) | 136.5 (67.8)b | 128.3 (67.4) |
| Insuline 30, pmol/l | 1275.9 (821.1) | 1202.1 (579.5)b | 1234.2 (693.0) |
| Insulin 120, pmol/l | 580.6 (381.3) | 746.7 (432.8)b | 674.4 (417.8)* |
| TG, mmol/l | 1.1 (0.5) | 1.0 (0.6)b | 1.1 (0.6) |
| TC, mmol/l | 4.1 (0.7) | 4.0 (0.7)b | 4.1 (0.7) |
| HDL-C, mmol/l | 1.1 (0.3) | 1.2 (0.2)b | 1.2 (0.2) |
| LDL-C, mmol/l | 2.5 (0.6) | 2.4 (0.6)b | 2.4 (0.6) |
| zMetRisk | −0.10 (0.3)a | 0.04 (0.5)c | −0.02 (0.4) |
| TV time, min/d | 123.2 (102.5) | 96.1 (89.0) | 107.8 (95.7) |
| Computer time, min/d | 98.9 (93.4) | 80.3 (81.9) | 88.3 (87.2) |
| Screen time, min/d | 222.1 (164.2) | 176.4 (138.9) | 196.2 (151.4) |
*
= Significantly different between boys and girls.
a
N = 51;
b
N = 70;
c
N = 69.
BMI, body mass index; BP, blood pressure; HDL-C, high density lipoprotein cholesterol; LDL-C low density lipoprotein cholesterol; SD, standard deviation; TC, total cholesterol; TG, triglycerides; TV, television; zMetRisk, z-score for clustered cardiometabolic risk.