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Table 1 Characteristics of participants

From: Testing the McSad depression specific classification system in patients with somatic conditions: validity and performance

  Diabetes Cancer Diabetes vs. vancer Cancer-paper Cancer vs. cancer-paper
N 114 195   241  
Age, years    
  Mean (SD) 44 (14.1) 52 (10.9) t (192) = 5.18** 65.3 (11.6) t (412) = 11.7**
  Range 20 - 73 22 - 77 p < .000 36-79 p < .000
Gender    
  women 82 (72%) 163 (84%) χ 2 (1) = 6.36 55 (24.2%) χ2 (1) = 145**
p = .013 p < .000
Years since diagnosis    
  Median (IR) 13.5 (17) 3 (3) t (128) = 8.52** 3 (3) t (412) = 2.0
  Range 0-56 1-31 p < .000 0-25 p = .057
Main co-morbidity    
  COPD, asthma 9 (7.9%) 19 (9.7%) χ 2 (1) = .32 17 (7%) χ2 (1) = 1.08
p = .57 p = .30
  Heart 8 (7.0%) 6 (3%) χ 2 (1) = 2.52 30 (12.3%) χ2 (1) = 12.32**
p = .11 p = .00
  Rheumatoid arthritis 5 (4.4%) 14 (7.2%) χ 2 (1) = .46 15 (6.2%) χ2 (1) = 177
p = .50 p = .70
CES-D (depression)    
  Mean (SD) 14.31 (11.6) 16.09 (9.6) t (190,535) = 1.34 9.9 (7.7) t (352) = 7.0**
  Range 0 – 50 0 – 45 p = .181 0-37 p = .000
PHQ-9 (depression)    
  Mean (SD) 6.41 (6.03) 6.43 (4.69) t (187,889) = .071 -  
  Range 0 – 25 0 – 27 p = .943
  1. (Columns in italics present results of t and chi-square tests concerning differences among groups).
  2. * p < .05 / ** p < .01.