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Table 1 Demographic characteristics of the study sample

From: Employing crisis postcards with case management in Kaohsiung, Taiwan: 6-month outcomes of a randomised controlled trial for suicide attempters

  ITT analysis Per-protocol analysis
  Control group, N = 388 Intervention group, N = 373 pa Control group who received full CM alone, N = 363 Intervention group who received full CM, N = 356   Pb
      Read crisis postcard, N = 250 Did not read crisis postcard, N = 106 Pc  
Categorical variables, N (%)         
Female 275 (70.9) 243 (65.1) .09 235 (64.7) 181 (72.0) 70 (66.0) .26 .06
Referred from medical organisation 342 (88.1) 317 (85.0) .2 311 (85.7) 220 (87.6) 96 (90.6) .42 .49
Employment 154 (39.7) 126 (33.8) .09 124 (34.2) 104 (41.2) 37 (34.9) .27 .08
High lethality suicide method 44 (11.3) 37 (9.9) .52 34 (9.4) 29 (11.6) 13 (12.3) .85 .37
History of previous suicide attempt 149 (38.4) 130 (34.9) .31 129 (35.5) 86 (34.4) 53 (50) .01 .77
Live alone 63 (16.2) 66 (17.7) .59 62 (17.1) 30 (12.0) 19 (17.9) .03 .08
Continuous variables, mean ± SD         
Age (yrs) 40.0 ± 16.0 39.8 ± 14.0 .06 40.1 ± 16.2 39.0 ± 14.0 40.6 ± 12.9 .36 .06
  1. Pa: P value of comparison between subjects in the control group and those in the intervention group.
  2. Pb: P value of comparison between subjects in the intervention group who received full CM and those in the control group who received full CM.
  3. Pc: P value of comparison between subjects in the intervention group who received full CM and read the crisis postcard and those in the intervention group who received full CM but did not read the crisis postcard.