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Table 4 F-values of differences in duration and types of sedentary behaviour by cohort, gender and age

From: 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

Variable/Ffactor

Fcohort

Fgender

Fage

Fcohort × gender

Fcohort × age

Fgender × age

Fcohort × gender × age

Comparison by week segment (Duration as min/day)

Whole week

1.18

2.50

7.49**

2.22

2.57

2.38

0.01

Weekdays

2.04

6.94**

8.66**

4.39*

3.50

4.85*

0.10

Weekend

0.02

2.43

1.67

0.26

0.16

0.37

0.22

Comparison by type (Duration as min/week)

Watching TV

29.28***

7.86**

3.23

3.88*

0.44

0.26

1.22

PC

51.75***

39.37***

0.76

0.46

0.26

0.05

1.86

Studying

35.70***

35.13***

7.14**

2.08

2.16

2.44

0.86

School

0.65

12.09***

16.81***

4.57*

1.30

2.16

3.78

Other sedentary behaviour

0.70

13.89***

0.20

0.13

11.14***

1.05

1.09

  1. Based on multivariate analysis of variance; *p < 0.05; **p < 0.01; ***p < 0.001
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BMC Public Health

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