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

Table 1 Demographic characteristics of the study sample

	ITT analysis			Per-protocol analysis
	Control group, N = 388	Intervention group, N = 373	p^a	Control group who received full CM alone, N = 363	Intervention group who received full CM, N = 356			P^b
					Read crisis postcard, N = 250	Did not read crisis postcard, N = 106	P^c
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

P^a: P value of comparison between subjects in the control group and those in the intervention group.
P^b: P value of comparison between subjects in the intervention group who received full CM and those in the control group who received full CM.
P^c: 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.

ISSN: 1471-244X