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

From: Bone mineral accrual and gain in skeletal width in pre-pubertal school children is independent of the mode of school transportation – one-year data from the prospective observational pediatric osteoporosis prevention (POP) study

 

Girls (n = 97)

Boys (n = 133)

 

Walking or cycling

Car or bus

p -value

Walking or cycling

Car or bus

p -value

At baseline

      

Numbers

n = 60

n = 37

 

n = 75

n = 58

 

Distance to school (km)

0.5 (0.5)

1.7 (1.9)

p < 0.001

0.7 (0.64)

1.6 (1.2)

p < 0.001

Excluding dairy products

0 (0%)

0 (0%)

1.0

0 (0%)

0 (0%)

1.0

Drinking coffee

1 (2%)

0 (0%)

1.0

1 (1%)

1 (2%)

1.0

Tried to lose weight

1 (2%)

0 (0%)

1.0

0 (0%)

0 (0%)

1.0

Chronic disease

2 (3%)

1 (3%)

1.0

6 (8%)

3 (5%)

0.73

Medication

2 (3%)

5 (14%)

0.10

8 (11%)

5 (9%)

0.78

Fractures

11 (18%)

2 (5%)

0.12

9 (12%)

3 (5%)

0.23

Total physical activity (hour per week)

0.8 (1.0)

1.2 (1.8)

0.17

1.3 (1.1)

1.7 (1.4)

0.10

During study period

      

Total physical activity (hour per week)

3.7 (1.7)

3.5 (2.1)

0.53

4.0 (2.1)

5.0 (2.0)

p < 0.01

At follow-up – Accelerometer data

      

Numbers

n = 53

n = 34

 

n = 68

n = 54

 

Recording time per day (hours/day)

11.9 (1.3)

11.9 (1.3)

0.97

12.0 (1.4)

11.9 (1.4)

0.83

Mean activity (mean counts/min)

614 (148)

629 (164)

0.66

728 (234)

758(257)

0.51

Moderate to vigorous activity (min/day

188 (35)

195 (42)

0.39

207 (52)

211 (47)

0.68

Vigorous activity (min/day)

34 (13)

36 (14)

0.55

45 (20)

46 (20)

0.84