Skip to main content

Table 1 Measures, descriptive statistics and correlations

From: What pre-deployment and early post-deployment factors predict health function after combat deployment?: a prospective longitudinal study of Operation Enduring Freedom (OEF)/Operation Iraqi Freedom (OIF) soldiers

Construct Number of items Cronbach’s alpha Scale range Phase, Mean ± SD Correlation Correlation Correlation Correlation
      with VR-36 with VR-36 with VR-36 with VR-36
      PCS at P1 PCS at P2 MCS at P1 MCS at P2
VR-36 PCS 36 # 0-100 P1=55.49 ± 5.22 -- .32** -.15** -.01
P2=53.28 ± 7.65 .32** -- .03 -.25**
VR-36 MCS 36 # 0-100 P1=48.00±9.10 .15* .03 -- .35**
P2=44.05±10.76 -.01 -.25** .35** --
Negative Emotionality 30 P1=.86 0-30 P1= 9.57 ± 5.99 -.09** -.06 -.61** -.41**
Absorption 34 P1=.89 0-34 P1=15.23 ± 7.58 -.03 .00 -.21** -.15**
Pre-deployment Life Events 17 # 0-17 P1= 5.98 ± 3.59 -.05 -.08* -.15** -.09
Social Desirability 20 P1=.76 0-20 P1=12.04 ± 3.84 -.02 -.08 .35** .29**
Social Support 18 P1=.96 0-100 P1=73.78 ± 18.86 .00 -.02 .27** .25**
Approach Coping 18 P1=.78 0-18 P1=11.20 ± 2.79 .01 -.10** .11** .10**
Avoidance Coping 18 P1=.82 0-18 P1=7.63 ± 3.18 -.02 -.08* -.47** -.24**
Deployment Experiences 15 # 0-15 P2=5.26 ± 3.81 .05 -.02 -.07 -.11**
Combat Experiences 15 # 0-60 P2=8.77 ± 6.85 -.00 -.05 -.00 -.09**
Unit Cohesion 3 P2=.91 3-15 P2=9.29 ± 3.04 .06 .01 .09 .19**
PTSD Checklist 17 P2=.93 17-85 P2=32.30 ± 11.50 -.07 -.17* -.28* -.53**
Physical Symptoms 15 P1=.76 0-30 P1=5.24 ± 4.02 -.33** -.23** -.48** -.23**
P2=.79   P2=8.69 ± 4.98 -.21** -.34** -.20** -.40**
Injury in Theater 1 # 0-1 P2= 0.40± 0.49 -- -- -- --
SBP -- -- -- P1=124.23 ±13.56 .04 .13** .13** .07
DBP -- -- -- P1=72.86 ±11.20 -.02 .00 .17** .11**
Δ SBP -- -- -- P1=11.66 ±8.03 .07* .17** .07** .07
Δ DBP -- -- -- P1=7.20 ± 5.03 .07* .14** .04 .02
  1. Correlations are between the measure (row) assessed at the phase listed in column 5 and the measure (column) assessed at the phase listed in the column title. ***Note. P1 = Phase 1, P2 = Phase 2, VR-36 = Veteran’s Rand-36, PCS = Physical Composite Score (Physical Health Function), MCS= Mental Composite Score (Mental Health Function), SBP=systolic blood pressure mean during three stressor tasks, DBP=diastolic blood pressure mean during three stressor tasks, Δ SBP=systolic blood pressure reactivity during three stressor tasks, Δ DBP=diastolic blood pressure reactivity during three stressor tasks, *= P <.05, **=P<.01 Numbers for P1 include the full sample (maximum N=790) and numbers for P2 are for the subsample with P2 data (maximum N=422).
  2. # indicates a checklist measure, a single item or a variable for which no reliability coefficient can be calculated.