Secular trends: a ten-year comparison of the amount and type of physical activity and inactivity of random samples of adolescents in the Czech Republic

Table 3 F-values of differences in duration and types of PA by cohort, gender and age

Variable/F_factor	F_cohort	F_gender	F_age	F_{cohort × gender}	F_{cohort × age}	F_{gender × age}	F_{cohort × gender × age}
Comparison by week segment (Duration as min/day)
Whole week	11.59***	1.65	6.34**	0.45	2.26	0.57	0.12
Weekdays	12.56***	1.88	10.88**	0.20	1.49	0.51	1.64
Weekend	0.37	1.04	4.78*	0.26	0.22	2.91	0.19
Comparison by type (Duration as min/week)
Walking	13.76***	22.16***	0.03	0.73	1.55	0.21	1.27
Aerobic exercise	7.56**	0.003	7.41**	0.89	0.92	1.33	0.01
Games	0.10	42.97***	3.22	10.43**	3.22	3.99*	7.64**
Household	2.80	1.95	0.03	1.65	0.13	3.34	0.62
Other PA	0.73	10.13**	7.31**	0.03	0.01	0.27	2.74

ISSN: 1471-2458