Table 3. Intra-class correlations for time spent in transport-related and recreational physical activity overall and by domain.

Physical activity domain		T1	T2
	n	Mean minutes in last week ±SD	Mean minutes in last week ±SD	ICC (95% CI)
Walking for transport	164	142.0±256.6	129.6±194.4	0.59 (0.48, 0.68)
Cycling for transport	164	25.7±92.6	21.5±92.6	0.61 (0.50, 0.70)
Walking for recreation	165	117.1±192.2	116.6±207.4	0.48 (0.35, 0.59)
Cycling for recreation	165	27.4±104.6	20.4±105.8	0.35 (0.20, 0.47)
Moderate intensity leisure-time physical activity	165	80.7±168.4	63.2±131.8	0.47 (0.34, 0.58)
Vigorous intensity leisure-time physical activity	163	60.6±134.2	49.8±97.1	0.63 (0.53, 0.71)
Total physical activity†	161	441.2±455.3	387.4±374.0	0.56 (0.45, 0.66)

T1 = Survey time point 1;

T2 = Survey time point 2;

^†Total physical activity includes vigorous and moderate leisure-time activity and walking and cycling for transport and recreation.