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Table 1 Clinical and psychosocial data of all subjects

From: Influence of comorbidity with depression on interdisciplinary therapy: outcomes in patients with chronic low back pain

  cLBP+DE
(n = 29)
cLBP
(n = 29)
Mann-Whitney-U-Test
Sex: female/male (number) 17/12 17/12 P > 0.05
Age: mean (range) (years) 45.3 (20 to 69) 44.7 (24 to 68) P > 0.05
Body mass index (BMI): 25.1 (18.9 to 37.4) 24.2 (17.7 to 33.3) P > 0.05
Sleep (24 h)    
   Day 0 = T0 5.25 6.08 P > 0.05
   Day 21 = T2 5.4 5.62 P > 0.05
   Day 180 = T3 5.95 6.11 P > 0.05
Exercise (24 h)    
   Day 0 = T0 5.67 ± 5.09 5.28 ± 3.95 P > 0.05
   Day 21 = T2 4.87 ± 5.28 6.27 ± 6.16 P > 0.05
   Day 180 = T3 5.95 ± 5.60 5.18 ± 4.05 P > 0.05
pain 24 h: mean (VAS 0 to 10)    
   Day 0 = T0 6.30 ± 1.89 5.13 ± 2.30 P > 0.05
   Day 21 = T2 4.18 ± 2.04 3.75 ± 2.44 P > 0.05
   Day 180 = T3 3.55 ± 2.63 4.44 ± 3.25 P > 0.05
pain 7d: mean (VAS 0 to 10)    
   Day 0 = T0 6.29 ± 1.58 5.19 ± 2.27 P > 0.05
   Day 21 = T2 4.61 ± 1.65 4.19 ± 2.50 P > 0.05
   Day 180 = T3 3.90 ± 2.57 4.65 ± 2.86 P > 0.05
CES-D: (score)    
   Day 0 = T0 32.81 ± 9.38 12.68 ± 6.64 P < 0.001*
   Day 21 = T2 20.00 ± 11.20 9.00 ± 7.73 P < 0.001*
   Day 180 = T3 19.50 ± 10.87 13.53 ± 10.74 P > 0.05
back function (R&M):    
   Day 0 = T0 13.77 ± 5.26 10.19 ± 5.65 P = 0.022**
   Day 21 = T2 9.48 ± 6.31 7.87 ± 5.08 P > 0.05
SF-36 PCS score    
   Day 0 = T0 32.73 ± 7.97 31.24 ± 10.61 P > 0.05
   Day 21 = T2 36.41 ± 7.76 35.93 ± 9.49 P > 0.05
   Day 180 = T3 37.75 ± 7.80 41.37 ± 11.97 P > 0.05
SF-36 MCS score    
   Day 0 = T0 28.95 ± 10.01 47.97 ± 6.26 P < 0.001*
   Day 21 = T2 34.45 ± .66 52.08 ± 7.41 P < 0.001*
   Day 180 = T3 45.77 ± 9,51 46.64 ± 11.24 P > 0.05
Alcohol consumption (24 h)    
   Day 0 = T0 16% 19% P > 0.05
   Day 21 = T2 26% 8% P > 0.05
   Day 180 = T3 52% 19% P = 0.03**
Nicotine consumption (24 h)    
   Day 0 = T0 42% 23% P > 0.05
   Day 21 = T2 48% 29% P > 0.05
   Day 180 = T3 47% 17% P = 0.041**
  1. CES-D, German version of the Centre for Epidemiological Studies; cLBP, chronic unspecific low back pain; cLBP+DE, chronic unspecific low back pain and comorbidity of depression; MCS, Mental Composite Scale; pain 24 h, average pain in the last 24 hours; pain 7 d, average pain in the last seven days; PCS, physical Composite Scale; R&M, Roland & Morris Disability Questionnaire; SF-36, 36-item short form health survey; VAS, visual analogue scale. *: still significant after adjustment by Bonferroni-correction (< 0.005); **: not more significant after adjustment by Bonferroni-correction (> 0.005)