Table 1

Descriptive characteristics: 6–19 year old 2007/09 Canadian health measures survey participants
Variable Total sample Insufficiently active Infrequently active Frequently active
Age, years 12.4 (12.1, 12.8) 13.1 (12.6, 13.6) 12.0 (10.8, 13.2) 11.1 (10.3, 12.0)
MVPA
  Average min/day (mean) 55.1 (49.5, 60.7) 36.1 (34.1, 38.2) 70.0 (67.7, 72.3) 90.9 (85.0, 96.8)
  ≥60 min/day on average (%) 39.9 (31.8, 48.6) 0 100 100
BMI, kg/m2 20.3 (19.7, 20.8) 21.0 (20.2, 21.8) 19.4 (18.3, 20.6) 18.9 (17.9, 19.8)
Waist circumference, cm 68.7 (67.2, 70.2) 70.7 (68.3, 73.0) 66.1 (63.0, 69.2) 66.5 (62.3, 68.6)
Systolic blood pressure, mmHg 96.3 (95.1, 97.5) 97.1 (95.5, 98.7) 95.9 (93.7, 98.1) 94.7 (93.5, 95.9)
Diastolic blood pressure, mmHg 62.2 (61.1, 63.4) 62.7 (61.4, 64.1) 62.9 (60.5, 65.3) 60.8 (59.4, 62.1)
HDL-cholesterol, mmol/L 1.3 (1.3, 1.4) 1.3 (1.2, 1.4) 1.3 (1.3, 1.4) 1.4 (1.3, 1.4)
Triglycerides, mmol/L 0.8 (0.8, 0.9) 0.9 (0.8, 1.0) 0.8 (0.7, 0.9) 0.7 (0.6, 0.8)
Insulin resistance, HOMA score 2.1 (1.96, 2.2) 2.2 (2.0, 2.4) 2.2 (1.6, 2.9) 1.6 (1.3, 1.9)

Data for continuous variables are shown as mean (95% confidence interval).

Data for categorical variables are shown as prevalence (95% confidence interval).

Janssen et al.

Janssen et al. BMC Public Health 2013 13:554   doi:10.1186/1471-2458-13-554

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