Table 1.

Test-retest reliability of self reported frequency of different modes of commuting to school (pupils) and work (their parents).

	Walking			Cycling			By car			By public transportation
	test	retest	p-value	test	retest	p-value	test	retest	p-value	test	retest	p-value
Pupils
Fall
median	2.0	2.0	0.79	6.0	6.0	0.89	0.0	0.0	0.08	0.0	0.0	0.80
mean	3.9	3.9		5.6	5.6		0.3	0.2		0.2	0.2
Winter
median	8.0	8.0	0.85	0.0	0.0	0.76	0.0	0.0	0.71	0.0	0.0	0.83
mean	6.8	6.7		1.4	1.7		1.1	1.0		0.6	0.5
Spring
median	0.0	0.0	0.67	10.0	8.0	0.32	0.0	0.0	0.47	0.0	0.0	1.00
mean	3.2	3.3		6.6	6.4		0.1	0.2		0.1	0.1
Average
median	4.0	3.3	0.85	5.3	5.3	0.63	0.0	0.0	0.58	0.0	0.0	0.91
mean	4.7	4.6		4.5	4.6		0.5	0.4		0.3	0.2
Parents
Fall
median	0.0	0.0	0.28	0.0	0.0	0.73	8.0	8.0	0.17	0.0	0.0	0.29
mean	0.8	0.5		1.3	1.3		6.2	6.3		0.6	0.6
Winter
median	0.0	0.0	0.59	0.0	0.0	0.79	8.0	8.0	0.23	0.0	0.0	0.13
mean	0.9	0.7		0.5	0.4		6.5	6.6		0.9	1.1
Spring
median	0.0	0.0	0.32	0.0	0.0	0.86	7.0	8.0	0.90	0.0	0.0	1.00
mean	0.7	0.4		1.7	1.7		5.8	6.1		0.7	0.6
Summer
median	0.0	0.0	0.32	0.0	0.0	0.43	6.0	6.0	0.62	0.0	0.0	0.85
mean	0.8	0.4		1.8	20		5.5	5.7		0.7	0.6
Average
median	0.0	0.0	0.42	0.0	0.0	0.55	7.0	7.0	0.26	0.0	0.0	0.40
mean	0.8	0.5		1.3	1.4		6.0	6.2		0.7	0.7

Figures are number of trips per week, p-values are based on Wilcoxon signed-rank test.