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Table 2 Means and percentages for physical measurements, physical activity and family and home circumstances variables1

From: Family and home correlates of children's physical activity in a multi-ethnic population: the cross-sectional child heart and health study in england (CHASE)

Variable2 All (n = 2071) White European (n = 508) Black African-Caribbean (n = 576) South Asian (n = 487) Other (n = 500) p1
Age (years) 9.95 ± 0.38 9.96 ± 0.38 9.89 ± 0.40 10.01 ± 0.36 9.93 ± 0.39 *
Gender (% boys) 47.8 49.6 47.4 47.8 46.4  
Ponderal index3 (kg/m3) 13.16 13.29 13.27 12.83 13.21
PA (CPM) 481 ± 106 493 ± 105 492 ± 102 452 ± 108 484 ± 107
SES       
- High 27.3 32.2 31.9 19.5 24.8
- Medium 26.0 29.1 23.8 23.9 27.3  
- Low 46.7 38.7 44.3 56.6 47.9  
% own car 75.3 75.9 71.1 79.3 75.6  
% live with 2 parents 76.7 77.1 62.6 91.1 78.0
N siblings (0-3+) 1.7 ± 1.0 1.4 ± 0.9 1.8 ± 1.0 2.0 ± 0.9 1.5 ± 1.0
Household density 1.7 ± 0.7 1.6 ± 0.6 1.8 ± 0.7 1.9 ± 0.8 1.7 ± 0.6
Family PA encouragement       
   - Low 37.3 30.0 34.8 44.1 40.9
   - High 62.7 70.0 65.2 55.9 59.1  
Family PA support (0-3) 2.1 ± 1.0 2.2 ± 0.9 2.1 ± 1.0 2.0 ± 1.0 2.2 ± 0.9
% with pets 33.9 60.6 19.6 16.8 40.0
% with garden 73.0 80.0 63.7 75.1 74.4
% with internet access 65.7 70.9 65.3 60.2 66.1 *
% with cable TV 71.3 68.9 76.0 72.1 67.5 *
  1. 1. All means, proportions and p-values for ethnic differences are adjusted for clustering within school. P-value code: *p < 0.05 †p < 0.01 ‡p < 0.001
  2. 2. CPM: counts per minute; SES: socio-economic status; PA: physical activity; TV: television.
  3. 3. Geometric means shown for log transformed variable.