Table 1

Units per week and effect sizes between genders for both longitudinal and cross-sectional

Longitudinal

Cross-sectional


Total

Male

Female

Total

Male

Female

M

SD

M

SD

M

SD

t

df

M

SD

M

SD

M

SD

t

df


Year 1

19.11

13.94

24.69

15.60

16.03

11.91

-3.38*

223

18.94

14.45

24.04

16.16

15.49

11.89

-12.22*

2097a

Year 2

15.49

12.53

20.21

12.97

12.89

11.52

-3.80*

223

16.06

13.36

21.09

15.60

12.65

10.09

-10.56*

1420a

Year 3

12.62

9.99

16.34

12.14

10.57

7.91

-2.72*

128a

13.89

12.52

18.42

14.17

10.71

9.79

-10.88*

1296a


a = Levene's test p < 0.05 test statistics reported do not assume equal variances

*p < 0.01

Bewick et al. BMC Public Health 2008 8:163   doi:10.1186/1471-2458-8-163

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