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Table 3 Sample Characteristics by Gender and Response Status

From: Impact of different cover letter content and incentives on non-response bias in a sample of Veterans applying for Department of Veterans Affairs disability benefits: a randomized, 3X2X2 factorial trial

Characteristic as obtained from VA databases

Men

Women

Overall

Respondent?

Overall

Respondent?

 

No

Yes

 

No

Yes

N = 480

n = 281

n = 199

N = 480

n = 269

n = 211

Age < 30

30.4

35.2***

23.6

32.3

34.2

29.9

Race

 White

58.1

58.0

58.3

40.6

37.2

45.0

 Black

19.6

19.6

19.6

36.5

37.9

34.6

 Hispanic

13.3

11.7

15.6

10.2

11.5

8.5

 Asian

6.5

7.1

5.5

6.3

6.0

6.6

 Other/Unknown

2.5

3.6

1.0

6.5

7.4

5.2

Combat exposure

67.1

67.3

66.8

41.3

37.6

46.0

Military sexual trauma exposure

2.1

2.1

2.0

45.6

46.5

44.6

Serious mental illness

5.2

4.1

6.7

8.2

5.6*

11.4

Charlson Comorbidity Index > 0

11.7

10.7

13.1

10.0

9.3

10.9

VA disability benefits for PTSD

56.3

54.8

58.3

45.2

40.5*

51.2

Any VA disability benefits

81.9

78.3*

86.9

77.3

75.5

79.6

  1. Results reported as Column Percentages (%). VA Department of Veterans Affairs, PTSD Posttraumatic
  2. stress disorder. Bold face font signifies a statistically significant difference between respondents and non-
  3. respondents within gender
  4. *p ≤ 0.05, ** p ≤ 0.01, ***p ≤ 0.001