Table 1.
Physical activity during a week comparing children who walked to school with those who travelled by car recorded by 275 children according to mode of transport. Values are mean accelerometer count (×105) (standard deviation) unless stated otherwise
|
All children
|
Boys
|
Girls
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Walk (n=185) | Car (n=90) | P value* | Walk (n=97) | Car (n=57) | P value* | Walk (n=88) | Car (n=33) | P value* | |
| Age (years) | 4.93 (0.26) | 4.91 (0.26) | 0.50 | 4.95 (0.27) | 4.92 (0.25) | 0.40 | 4.91 (0.26) | 4.90 (0.27) | 0.86 |
| All intensities | |||||||||
| School journey (8-9 am and 3-4 pm) | 4.90 (1.41) | 4.15 (1.19) | <0.001 | 4.92 (1.24) | 4.30 (1.12) | 0.003 | 4.88 (1.57) | 3.88 (1.28) | 0.001 |
| School time (9 am-3 pm) | 12.75 (3.13) | 12.37 (3.23) | 0.35 | 13.51 (3.35) | 13.10 (3.04) | 0.45 | 11.91 (2.64) | 11.11 (3.20) | 0.17 |
| Non-school time (<8 am and >4 pm weekdays) | 9.07 (3.00) | 9.75 (3.14) | 0.08 | 9.14 (3.27) | 9.95 (3.08) | 0.14 | 8.98 (2.68) | 9.41 (3.25) | 0.47 |
| Total school week (weekdays) | 26.71 (5.64) | 26.27 (5.31) | 0.53 | 27.57 (6.04) | 27.35 (4.88) | 0.82 | 25.77 (5.03) | 24.40 (5.58) | 0.20 |
| Weekend (Saturday and Sunday) | 10.79 (2.92) | 11.30 (3.04) | 0.19 | 10.94 (2.99) | 11.52 (3.09) | 0.26 | 10.62 (2.84) | 10.91 (2.95) | 0.63 |
| Total | 37.56 (7.74) | 37.60 (7.33) | 0.97 | 38.44 (8.26) | 38.87 (6.89) | 0.74 | 36.56 (7.01) | 35.34 (7.64) | 0.41 |
| Moderate and high intensities only† | |||||||||
| School journey (8-9 am and 3-4 pm) | 3.75 (1.42) | 2.95 (1.18) | <0.001 | 3.77 (1.24) | 3.12 (1.13) | 0.001 | 3.74 (1.61) | 2.66 (1.23) | 0.001 |
| School time (9 am-3 pm) | 9.05 (3.12) | 8.70 (3.22) | 0.38 | 9.87 (3.37) | 9.46 (2.97) | 0.45 | 8.16 (2.54) | 7.39 (3.24) | 0.17 |
| Non-school time (<8 am and >4 pm weekdays) | 6.69 (2.75) | 7.25 (3.00) | 0.12 | 6.81 (3.02) | 7.55 (2.98) | 0.14 | 6.55 (2.43) | 6.74 (3.02) | 0.72 |
| Total school week (weekdays) | 19.50 (5.54) | 18.90 (5.36) | 0.40 | 20.45 (5.98) | 20.13 (4.93) | 0.73 | 18.44 (4.82) | 16.79 (5.48) | 0.11 |
| Weekend (Saturday and Sunday) | 8.13 (2.94) | 8.62 (3.05) | 0.21 | 8.34 (3.05) | 8.92 (3.14) | 0.26 | 7.90 (2.80) | 8.09 (2.86) | 0.75 |
| Total | 27.65 (7.68) | 27.55 (7.46) | 0.91 | 28.70 (8.27) | 29.05 (7.09) | 0.80 | 26.46 (6.81) | 24.88 (7.45) | 0.28 |
*
The P values are based on F statistics obtained from one way analysis of variance.
†
Excluding low intensity activity where counts/min=<1000.