Table 3.

Prevalence of self-reported self-harm and suicidal behaviours across the 2003 and 2009 YPICHS samples.

	Survey	Prevalence (%)	OR [95% CI]	p
Lifetime self-harm ideation	2003	40 (18.2)	1.00 [ref]
	2009	65 (20.7)	1.18 [0.76, 1.82]	.47
Self-harm ideation within past 12 months	2003	27 (12.3)	1.00 [ref]
	2009	36 (11.5)	0.93 [0.54, 1.58]	.78
Lifetime self-harm	2003	27 (12.3)	1.00 [ref]
	2009	51 (16.2)	1.39 [0.84, 2.29]	.20
Self-harm within past 12 months	2003	20 (9.4)	1.00 [ref]
	2009	34 (10.8)	1.21 [0.68, 2.17]	.51
Lifetime suicidal ideation	2003	42 (19.1)	1.00 [ref]
	2009	50 (15.9)	0.80 [0.51, 1.26]	.34
Suicidal ideation within past 12 months	2003	32 (14.5)	1.00 [ref]
	2009	30 (9.6)	0.62 [0.37, 1.06]	.08
Suicide attempt within past 12 months	2003a	18 (8.4)	1.00 [ref]
	2009	30 (9.6)	1.16 [0.63, 2.13]	.64

Note: YPICHS = Young People in Custody Health Survey; OR = odds ratio; CI = confidence interval. Data from 220 participants in 2003 and 314 participants in 2009.

^aData from 215 participants.