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Table 1 Demographic and clinical characteristics of 1882 Hong Kong Chinese school children aged 6-20 years who completed the physical activity survey

From: Association between Physical Activity and Cardiovascular Risk in Chinese Youth Independent of Age and Pubertal Stage

Characteristics Boys (n = 780) Girls (n = 1102)
Age (years) 13.2 (3.3) 13.8 (3.3)
Weight (kg) 47.7 (15.0) 44.2 (11.5)
Height (cm) 155.6 (17.0) 151.7 (12.6)
Body Mass Index (kg/m2) 19.2 (3.4) 18.9 (3.1)
Waist circumference (cm) 66.9 (9.8) 64.3 (7.9)
Systolic blood pressure (mmHg) 114.0 (12.2) 107.3 (9.7)
Diastolic blood pressure (mmHg) 67.0 (8.7) 67.0 (7.9)
HDL-C (mmol/L) 1.6 (0.3) 1.6 (0.3)
LDL-C (mmol/L) 2.1 (0.6) 2.2 (0.6)
TC/HDL-C ratio 2.6 (2.3 - 3.0) 2.6 (2.3 - 2.9)
Triglyceride (mmol/L) 0.7 (0.6 - 1.0) 0.7 (0.6 - 1.0)
Fasting plasma glucose (mmol/L) 4.8 (0.4) 4.7 (0.3)
Obesity statusψ   
   Normal 598 (76.7%) 918 (83.3%)
   Overweight 112 (14.4%) 122 (11.1%)
   Obese 70 (9.0%) 62 (5.6%)
Puberty (tanner stage)ψ   
   1 178 (24.0%) 163 (15.1%)
   2 156 (21.1%) 122 (11.3%)
   3 148 (20.0%) 255 (23.7%)
   4 234 (31.6%) 429 (39.9%)
   5 25 (3.4%) 107 (9.9%)
Physical activity scoreψ   
   0 - 2 (Low) 117 (15.0%) 306 (27.8%)
   3 - 6 (Moderate) 413 (52.9%) 641 (58.2%)
   7 - 10 (High) 250 (32.1%) 155 (14.1%)
  1. Data marked with were presented as medians (interquartile ranges) and with ψ as frequencies (%), all others were presented as means (standard deviations).