Table 2.

Causes of death for residential school population and controls

Cause of death	RS		Control			95 % CI
	N	%	N	%	HR	Lower	Upper	Sig.
Substance-related	25	42.4	5	11.9	24.31	9.30	63.53	***
Suicide	16	27.1	10	23.8	7.23	3.24	16.11	***
External causes	12	20.3	12	28.6	5.45	2.41	12.36	***
Disease or medical condition	1	1.7	12	28.6	0.49	0.06	3.82	NS
Unknown	5	8.5	3	7.1	8.33	1.99	34.87	**
Total	59	100	42	100

HR hazard ratio, NS non-significant

*** p < 0.001; ** p < 0.01