Table 2.

Gender differences in seasonality in sedentary behavior and physical activity for study participants

	Boys (n = 98)						Girls (n = 111)
	Baseline	Follow-up	t	95 % CI		P-value	Baseline	Follow-up	t	95 % CI		P-value
	Average SD	Average SD					Average SD	Average SD
Sedentary behavior (min/day)	340.6 ± 69.4	354.0 ± 73.8	−2.5	−24.2	−2.7	0.015	356.5 ± 60.6	370.6 ± 71.5	−2.7	−24.2	−3.8	0.008
LPA (min/day)
Ambulatory	107.5 ± 20.4	91.4 ± 27.5	7.0	11.5	20.7	<0.001	104.1 ± 17.4	88.6 ± 23.0	8.7	12.0	19.0	<0.001
Non-ambulatory	262.6 ± 48.9	246.5 ± 56.4	3.6	7.1	25.1	0.001	271.6 ± 45.4	244.4 ± 49.9	8.5	20.9	33.5	<0.001
Total time	370.1 ± 59.2	337.8 ± 69.4	5.9	21.5	43.1	<0.001	375.7 ± 50.8	333.0 ± 60.2	10.5	34.6	50.7	<0.001
MVPA (min/day)
Ambulatory	46.5 ± 15.0	35.5 ± 19.8	7.1	7.9	14.0	<0.001	33.0 ± 9.9	25.4 ± 11.4	8.6	5.9	9.4	<0.001
Non-ambulatory	29.4 ± 9.6	29.8 ± 11.2	−0.5	−1.9	1.1	0.593	27.9 ± 7.6	25.3 ± 7.7	4.7	1.5	3.7	<0.001
Total time	75.9 ± 21.5	65.3 ± 26.6	5.5	6.8	14.4	<0.001	60.9 ± 15.4	50.6 ± 16.4	8.5	7.9	12.7	<0.001
MPA (min/day)
Ambulatory	40.5 ± 12.9	32.2 ± 17.2	5.6	11.0	−9.6	<0.001	29.4 ± 8.8	23.5 ± 10.5	7.4	4.3	7.5	<0.001
Non-ambulatory	27.4 ± 8.9	28.4 ± 10.7	−2.5	0.4	2.1	0.154	26.6 ± 7.4	24.3 ± 7.5	4.3	1.2	3.3	<0.001
Total time	68.0 ± 18.6	60.6 ± 23.2	4.1	10.8	−8.2	<0.001	55.9 ± 14.0	47.8 ± 15.2	7.4	5.9	10.3	<0.001
Step count (steps/day)	12152 ± 2804	9860 ± 3863	7	1663	2921	<0.001	10408 ± 1808	8583 ± 2484	9	1410	2240	<0.001

Abbreviations: LPA light physical activity, MVPA moderte-to-vigorous physical activity, MPA moderate physical activity, SD standard deviation, CI confidence interval