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Table 1 Demographic characteristics of the patients

From: The effectiveness of different singly administered high doses of buprenorphine in reducing suicidal ideation in acutely depressed people with co-morbid opiate dependence: a randomized, double-blind, clinical trial

Group 32 mg
N = 16 (34.04%)
64 mg N = 17 (36.17%) 96 mg
N = 14 (29.78%)
Total
N = 47
Chi-square df p value F
Age (years) 31.75 ± 6.40 33.94 ± 9.01 32.85 ± 7.00 32.87 ± 7.50   2 0.713 0.341
Duration of drug abuse (years) 8.81 ± 5.45 12.00 ± 7.53 10.57 ± 6.28 10.48 ± 6.51   2 0.380 0.988
Job Unemployed 6 (37.5) 12 (70.6) 3 (21.4) 21 (44.7) 12.708 6 0.052  
Self-employed 10 (62.5) 3 (17.6) 10 (71.4) 23 (48.9)
Employed 0 (0) 1 (5.9) 1 (7.1) 2 (4.3)
Education Illiterate 1 (6.3) 0 (0) 0 (0) 1 (2.1) 7.668 8 0.467  
Primary school 5 (31.3) 4 (23.5) 5 (35.7) 14 (29.8)
High school 6 (37.5) 11 (64.7) 7 (50) 24 (51.1)
Higher education 4 (25) 2 (11.8) 1 (7.1) 7 (14.9)
Marital status Single 10 (62.5) 6 (35.3) 10 (71.4) 26 (55.3) 5.600 4 0.231  
Married 6 (37.5) 10 (58.8) 4 (28.6) 20 (42.6)
Divorced 0 (0) 1 (5.9) 0 (0) 1 (2.1)
  1. df Degrees of Freedom, F F value in F-test for analysis of variance (ANOVA)