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Table 2 Univariate analysis results for BPI dimensions in the group of subjects that reported chronic pain (N = 113)

From: Patients with chronic pain: evaluating depression and their quality of life in a single center study in Greece

 Pain Severity ScoreValuePPain Interference ScoreValueP
 Median (IQR)Median (IQR)
Sex
 Men2.00 (0.00 ─ 4.25)1087+0.121+1.29 (0.00 ─ 6.14)1015+0.041+
 Women3.00 (1.75 ─ 4.75)  3.43 (0.57 ─ 6.00)  
Age, r0.12107‡‡0.2330.12105‡‡0.226
Family status
 Married/ in a relationship2.75 (0.75 ─ 4.25)706.5+0.063+2.51 (0.00 ─ 5.43)599.5+0.111+
 Single/ Divorced/ Widowed3.63 (2.00 ─ 5.00)  4.41 (2.00 ─ 7.29)  
Children
 No3.13 (1.88 ─ 4.88)491.5+0.468+4.57 (1.79 ─ 6.71)408+0.139+
 Yes3.00 (1.25 ─ 4.50)  2.43 (0.00 ─ 5.79)  
Working
 No3.00 (1.50 ─ 4.75)806.5+0.200+3.29 (0.29 ─ 6.14)739+0.096+
 Yes2.13 (0.00 ─ 3.00)  1.43 (0.00 ─ 4.43)  
Educational status
 Primary school4.00 (2.00 ─ 4.75)6.92++0.061++4.14 (0.71 ─ 6.29)3.75++0.153++
 Middle/High school2.00 (1.00 ─ 3.75)  2.64 (0.00 ─ 6.00)  
 University2.13 (0.00 ─ 3.00)  1.71 (0.00 ─ 4.43)  
Smoking
 No3.00 (1.50 ─ 4.25)1301+0.591+2.57 (0.00 ─ 5.86)1267.5+0.600+
 Yes3.00 (1.25 ─ 5.00)  3.29 (0.00 ─ 6.14)  
Alcohol
 No3.00 (1.50 ─ 4.50)968+0.935+3.29 (0.00 ─ 5.86)872.5+0.519+
 Yes2.25 (0.75 ─ 6.00)  1.71 (0.00 ─ 6.14)  
Chronic physical problem
 No2.00 (1.25 ─ 3.25)801+0.067+1.43 (0.00 ─ 4.07)739+0.038+
 Yes3.00 (1.50 ─ 4.75)  3.29 (0.29 ─ 6.29)  
Chronic mental disorder
 No2.50 (1.00 ─ 4.25)751+0.035+2.29 (0.00 ─ 5.29)764.5+0.092+
 Yes3.88 (2.50 ─ 5.00)  4.14 (1.14 ─ 6.43)  
Duration of pain.1097‡‡0.325−0.0295‡‡0.858
Specialist consultation for pain relief
 No2.00 (0.00 ─ 3.63)671+0.074+1.00 (0.00 ─ 3.79)648+0.064+
 Yes3.00 (1.50 ─ 4.75)  3.43 (0.14 ─ 6.14)  
Pain depends on weather changes
 No1.75 (0.00 ─ 3.25)846.5+0.014+1.14 (0.00 ─ 5.14)872.5+0.034+
 Yes3.00 (1.75 ─ 4.75)  3.71 (0.50 ─ 6.14)  
  1. ‡Spearman’s correlation coefficient; ‡‡number of observations used for Spearman’s correlation coefficient; +Mann-Whitney test [U-value is stated]; ++Kruskal-Wallis test (χ2 value is stated with df = 2)