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Table 1 Lifestyle factors in children who walked and cycled or travelled by car or bus to school for two years, data are presented as numbers of children with the proportion within each group (in brackets) expressed as % or as mean (SD).

From: The mode of school transportation in pre-pubertal children does not influence the accrual of bone mineral or the gain in bone size - two year prospective data from the paediatric osteoporosis preventive (POP) study

  Girls
(n = 65)
  Boys
(n = 81)
 
  Walking or cycling Car or bus p -value Walking or cycling Car or bus p -value
At baseline       
Numbers 48 17   57 24  
Distance to school (km) 0.5 (0.5) 2.4 (2.5) <0.001 0.6 (0.6) 2.0(1.5) <0.001
Excluding diary products 0 (0%) 0 (0%) 1.00 0 (0%) 0 (0%) 1.00
Drinking coffee 1 (2%) 0 (0%) 1.00 1 (2%) 1 (4%) 0.51
Tried to lose weight 1 (2%) 0 (0%) 1.00 0 (0%) 0 (0%) 1.00
Chronic disease 2 (4%) 1 (6%) 1.00 3 (5%) 2 (8%) 0.63
Medication 2 (4%) 2 (12%) 0.28 4 (7%) 1 (4%) 1.00
Fractures 10 (20%) 2 (12%) 0.49 7 (12%) 2 (8%) 0.72
Menarche 0 (0%) 0 (0%) 1.00 --- --- ---
Total organized physical activity (hours per week) 0.9 (1.1) 0.8 (0.8) 0.78 1.5 (1.6) 1.4 (1.2) 0.90
During study period       
Total organized physical activity (hours per week) 3.4 (1.5) 3.5 (1.1) 0.84 4.5 (1.7) 4.1 (2.6) 0.41
At follow-up - Accelerometer data       
Numbers 46 15   52 20  
Recording time per day (hrs/day) 11.6 (2.0) 12.1 (1.3) 0.34 12.0 (1.3) 12.0 (1.4) 0.95
Mean activity (mean counts/min) 615 (144) 615 (198) 0.99 744 (232) 756 (318) 0.87
Moderate to vigorous activity (min/day) 190 (34) 194 (50) 0.77 210 (50) 206 (49) 0.74
Vigorous activity (min/day) 34 (13) 35 (16) 0.82 46 (25) 46 (19) 0.99