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. Author manuscript; available in PMC: 2021 Sep 15.
Published in final edited form as: J Rehabil Res Dev. 2016;53(6):659–668. doi: 10.1682/jrrd.2015.08.0151

Table 2.

Comparison between Veterans with and without pain data. Data presented as n (%) or mean ± standard deviation.

Parameter Subjects with Pain Data (n = 68) Subjects with No Pain Data (n = 110) p-Value*
Functional Impairment
 Yes 48 (70.6) 62 (56.4) 0.08
 No 20 (29.4) 48 (43.6)
Work Status at C&P Examination
 Inactive 21 (30.9) 32 (29.4) 0.87
 Active 47 (69.1) 77 (70.6)
Race
 Black 7 (10.3) 18 (16.4) 0.39
 Hispanic 11 (16.2) 13 (11.8)
 Unknown 3 (4.4) 8 (7.3)
 Other 4 (5.9) 2 (1.8)
 White 43 (63.2) 69 (62.7)
Current Smoker
 Yes 22 (32.4) 45 (42.5) 0.20
 No 46 (67.7) 61 (57.6)
Sex
 Female 6 (8.8) 10 (9.1) >0.999
 Male 62 (91.2) 100 (90.9)
Illegal Drug Use
 Yes 14 (20.6) 16 (14.6) 0.31
 No 54 (79.4) 94 (85.5)
Prescribed Opioid Use
 Yes 15 (22.1) 22 (20.0) 0.85
 No 53 (77.9) 88 (80.0)
Degree of Depression
 None 43 (63.2) 69 (62.7) 0.18
 Mild 8 (11.8) 7 (6.9)
 Moderate 11 (16.2) 8 (7.8)
 Moderately Severe 2 (2.9) 9 (8.8)
 Severe 4 (5.9) 9 (8.8)
Age 34.9 ± 8.6 36.2 ± 8.2 0.29
BMI 29.1 ± 4.1 29.3 ± 4.1 0.76

Note: n-values for Work Status at C&P, Current Smoker, and Degree of Depression for Subjects with No Pain Data are 109, 106, and 102, respectively, because of missing data.

*

Fisher exact test for categorical variables and comparison of means for continuous variables.

BMI = body mass index, C&P = compensation and pension.