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Table 2 Unadjusted and adjusted ORs for service member characteristics predicting service member choice to refer (N = 23,319)

From: Engaging military couples in marital research: does requesting referrals from service members to recruit their spouses introduce sample bias?

Service member characteristics

Unadjusted

Adjusteda

OR

95% CI

AOR

95% CI

Demographics

 Sex

  Male

1.43

(1.33–1.54)

1.36

(1.26–1.48)

  Female

1.00b

 

1.00b

 

 Age (years)

  17–24

1.00b

 

1.00b

 

  25–34

1.05

(0.98–1.12)

0.90

(0.84–0.97)

  35–44

1.04

(0.93–1.17)

0.71

(0.62–0.82)

  > 44

1.25

(0.94–1.67)

0.89

(0.65–1.22)

 Race/ethnicity

  White, non-Hispanic

1.00b

 

1.00b

 

  Black, non-Hispanic

0.66

(0.59–0.74)

0.65

(0.58–0.73)

  Hispanic

0.76

(0.69–0.85)

0.71

(0.64–0.80)

  Other

0.81

(0.73–0.91)

0.83

(0.73–0.93)

 Education

  Less than bachelor’s

1.00b

 

1.00b

 

  Bachelor’s or higher

1.14

(1.07–1.23)

1.23

(1.10–1.37)

 Number of children

  0

1.00b

 

1.00b

 

  1

1.24

(1.15–1.33)

1.22

(1.13–1.31)

  2

1.36

(1.36–1.48)

1.32

(1.21–1.45)

  3 or more

1.66

(1.51–1.84)

1.59

(1.43–1.78)

 Financial problems

  Not bothered

1.00b

 

1.00b

 

  Bothered a little or a lot

1.50

(1.41–1.59)

1.28

(1.20–1.38)

Military characteristics

 Deployment status

  Nondeployed

1.00b

 

1.00b

 

  Deployed without combat

0.86

(0.78–0.96)

0.97

(0.88–1.08)

  Deployed with combat

1.15

(1.08–1.23)

1.10

(1.02–1.18)

 Service branch

  Air Force

0.60

(0.56–0.64)

0.70

(0.65–0.76)

  Army

1.00b

 

1.00b

 

  Marine Corps

0.89

(0.80–0.99)

0.94

(0.84–1.05)

  Navy/Coast Guard

0.89

(0.82–0.97)

1.05

(0.95–1.15)

 Component

  Active duty

1.00b

 

1.00b

 

  Reserve/National Guard

1.24

(1.15–1.33)

1.20

(1.10–1.30)

 Pay grade

  Enlisted

1.00b

 

1.00b

 

  Officer

1.14

(1.06–1.23)

1.09

(0.97–1.23)

Individual health and adjustment

 Mental component score

  Lowest 15th percentile

1.21

(1.11–1.31)

1.02

(0.92–1.13)

  Middle 70th percentile

1.00b

 

1.00b

 

  Highest 15th percentile

0.95

(0.87–1.04)

1.04

(0.95–1.15)

 Physical component score

  Lowest 15th percentile

1.15

(1.06–1.25)

1.05

(0.96–1.14)

  Middle 70th percentile

1.00b

 

1.00b

 

  Highest 15th percentile

0.88

(0.81–0.96)

0.90

(0.82–0.99)

Posttraumatic growth index score (10 units)

1.00

(0.99–1.00)

1.01

(1.00–1.01)

 Difficulties with significant other

  Not bothered

1.00b

 

1.00b

 

  Bothered a little or a lot

1.29

(1.21–1.37)

1.07

(0.99–1.16)

 Caring for others

  Not bothered

1.00b

 

1.00b

 

  Bothered a little or a lot

1.47

(1.38–1.57)

1.20

(1.11–1.30)

 No one to turn to

    

  Not bothered

1.00b

 

1.00b

 

  Bothered a little or a lot

1.29

(1.19–1.39)

1.07

(0.97–1.17)

  1. Abbreviations: AOR Adjusted odds ratio, CI Confidence interval, OR Odds ratio
  2. aModel adjusted for all covariates listed in the table
  3. bReference category