Table 1.

Characteristics of the study population.

	All patients with prior attempt		Prior attempters dying by suicide within study period		Prior attempters not dying by suicide within study period
	N	%	N	%	N	%
Total	19,057	100.0	571	3.0	18,486	97.0
Age group
18–29	5,577	29.3	109	19.1	5,468	29.6
30–44	6,382	33.5	214	37.5	6,168	33.4
45–59	5,881	30.9	227	39.8	5,654	30.6
60 +	1,217	6.4	21	3.7	1,196	6.5
Sex
Male	8,840	46.4	393	68.8	8,447	45.7
Female	10,217	53.6	178	31.2	10,039	54.3
Race/ethnicity
Black	1,957	10.2	8	1.4	1,949	10.5
Asian	128	0.7	1	0.2	127	0.7
Hispanic	2,472	13.0	4	0.7	2,468	13.4
White	13,909	73.0	557	97.5	13,352	72.2
Other	589	3.1	1	0.2	588	3.2
Median household income (by residential zip code)
	Mean	SD	Mean	SD	Mean	SD
	65,002	26,479	71,512	27,563	64,801	26,421