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Table 3 Demographic comparisons between the group who was screened and the group who was not screened

From: Challenges to be overcome using population-based sampling methods to recruit veterans for a study of post-traumatic stress disorder and traumatic brain injury

Variable

Screened (n = 66)

Not screened (n = 80)

Contrast

df

p

Recruitment site

     

CA (n)

12

16

χ2 = 1.42

2

>.05

NJ (n)

18

28

   

DC (n)

36

36

% female

17.5%

22.5%

χ2 = 1.42

1

>.05

Age (M ± SD)

40.2 (± 7.7)

39.8 (± 8.0)

t = -.26

144

>.05

Miles from study site (M ± SD)

27.6 (± 15.8)

25.8 (± 15.8)

t = -.69

144

>.05

Driving miles from study site (M ± SD)

38.0 (± 22.4)

34.8 (± 20.9)

t = -.90

144

>.05