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Table 1 Characteristics of the DT group and the DT/SDL group at baseline

From: Improving Knowledge and Attitudes towards Depression: a controlled trial among Chinese medical students

  Total DT DT/SDL Statistical comparison of DT vs DT/SDL
   N = 205 n1= 103 n2= 102  
Age, years: mean (SD) 20.18 (0.70) 20.23 (0.70) 20.13 (0.70) t = 1.00, d.f. = 202, P = 0.319
Gender, n (%)     
  Male 91 (44.4) 46 (44.7) 45 (44.1) X2 = 0.01, d.f. = 1, P = 0.938
  Female 114 (55.6) 57 (55.3) 57 (55.9)  
Area of origin, n (%)     
  Urban 121 (59.0) 65 (63.1) 56 (54.9) X2 = 1.43, d.f. = 1, P = 0.232
  Non-urban 84 (41.0) 38 (36.9) 46 (45.1)  
Experience depression, n (%)     
  Yes 28 (86.3) 14 (13.6) 14 (13.7) X2 = 0.00, d.f. = 1, P = 0.978
  No 177 (13.7) 89 (86.4) 88 (86.3)  
Depression nominated as a main cause of death or disability, n (%) b   
  Yes 57 (35.0) 30 (37.0) 27 (32.9) X2 = 0.30, d.f. = 1, P = 0.582
  No 106 (65.0) 51 (63.0) 55 (67.1)  
MICA score: mean (SD) 43.51 (6.67) 43.75 (6.93) 43.27 (6.42) t = 0.51, d.f. = 203, P = 0.613
Psychological distress (K10) a: mean (SD) 16.55 (4.46) 16.42 (4.20) 16.69 (4.72) t = 0.43, d.f. = 198, P = 0.668
  1. a The respondent scores of 21 or below indicate low or moderate level of psychological distress; the respondent scores of 22 or above indicate high or very high level of psychological distress.
  2. b Only those students who nominated over four diseases at baseline were included in this analysis.