Measure | CANPWR | CHMS | ||
---|---|---|---|---|
Age range (years) (sample size) | 6-11 (n = 171) | 12-17 (n = 139) | 6-11 (n = 2138) | 12-17 (n = 1650) |
Categorical variable analyses (Chi-Square comparisons) | ||||
Male (%) | 52.0 | 42.4 | 51.3 | 53.0 |
Cultural background White (%) | 65.5 | 71.9 | 77.1 | 80.0 |
Country of birth Canada (%) | 88.3 | 85.6 | 90.3 | 90.0 |
Household income ≥ $100,000 (%) | 24.6 | 28.1 | 33.0 | 36.7 |
Household highest education University/College (%) | 62.0 | 58.3 | 86.2 | 85.9 |
Never have difficulty to go to sleep (%) | 44.4 | 43.9 | 37.1 | 22.0 |
Never have difficulty to stay awake (%) | 63.2 | 58.3 | 71.0 | 37.0 |
Physical activity at least 60 min daily ≥4 days/week (%) | 38.0 | 24.5 | 33.8 | 19.2 |
Total screen time ≤2 h/day (%) | 32.8 | 13.0 | 65.8 | 44.7 |
Continuous variable analyses (Student’s t-test comparisons), mean (SD) | ||||
Age (years) | 9.5 (1.4) | 14.1 (1.8) | 8.6 (1.7) | 14.5 (1.7) |
Height (cm) | 146.2 (11.2) | 165.2 (10.7) | 135.0 (12.0) | 165.0 (10.0) |
Weight (kg) | 62.6 (16.6) | 99.5 (24.8) | 33.4 (10.7) | 60.6 (16.9) |
BMI z-score | 3.64 (1.08) | 3.43 (1.30) | 0.55 (1.25) | 0.43 (1.27) |
Waist circumference (cm) | 88.2 (13.9) | 105.1 (18.1) | 60.8 (9.8) | 73.9 (12.4) |
Systolic blood pressure (mmHg) | 107 (11) | 116 (12) | 94 (8) | 97 (8) |
Diastolic blood pressure (mmHg) | 66 (7) | 70 (8) | 61 (8) | 62 (7) |
Total cholesterol (mmol/L) | 4.39 (0.75) | 4.27 (0.79) | 4.23 (0.69) | 4.06 (0.76) |
Fasting LDL cholesterol (mmol/L) | 2.59 (0.62) | 2.55 (0.63) | 2.36 (0.67) | 2.28 (0.73) |
HDL cholesterol (mmol/L) | 1.23 (0.32) | 1.13 (0.42) | 1.42 (0.31) | 1.31 (0.30) |
Fasting triglycerides (mmol/L) | 1.35 (0.89) | 1.48 (0.71) | 0.82 (0.39) | 0.97 (0.49) |
Fasting glucose (mmol/L) | 4.89 (0.33) | 5.05 (0.97) | 4.60 (0.87) | 4.70 (0.65) |
HbA1c (%) | 5.45 (0.32) | 5.49 (0.75) | 5.46 (0.36) | 5.43 (0.35) |
Alanine aminotransferase (ALT)(IU/L) | 27.0 (19.6) | 26.9 (18.4) | 27.8 (19.4) | 27.3 (10.4) |
Aspartate aminotransferase (AST)(IU/L) | 27.4 (10.6) | 24.2 (10.6) | 33.8 (16.9) | 27.0 (8.4) |
Milk consumption (times/day) | 1.9(1.3) | 2.2(2.2) | 1.7(1.6) | 1.4(1.6) |
Total dairy consumption (times/day) | 2.7 (1.6) | 3.1 (2.5) | 2.6 (2.0) | 2.0 (2.0) |
Total fruit and vegetable consumption (times/day) | 3.8 (2.5) | 4.0 (2.5) | 3.2 (1.8) | 3.0 (2.3) |
Water consumption (times/day) | 3.9 (2.7) | 3.3 (2.5) | 3.4 (2.4) | 3.3 (2.4) |
Daily sugared drink consumption (times/day) | 1.0 (1.1) | 1.0 (1.0) | 1.5 (1.1) | 1.6 (1.3) |
Mean sleeping hours per day | 9.4 (1.1) | 8.3 (1.2) | 9.6 (1.0) | 8.4 (1.2) |