Table 2.

Exposure prevalence by number of childhood adversity risk factors among cases vs. controls for the 3 behavioral outcome categories.

Number of Childhood and Parental/Family Risk Factors	1. Violent Crime (but Not Self-Harm)				2. Self-Harm (but Not Violent Crime)				3. Dual Harm
	Cases		Controls		Cases		Controls		Cases		Controls
	(N = 28,596)		(N = 571,920)		(N = 25,826)		(N = 516,520)		(N = 3987)		(N = 79,740)
	n	%	n	%	n	%	n	%	n	%	n	%
None	5579	19.5	239,005	41.8	5732	22.2	216,667	42.0	524	13.1	32,857	41.2
1	7875	27.5	184,573	32.3	7099	27.5	166,376	32.2	893	22.4	25,589	32.1
2	5940	20.8	83,564	14.6	5145	19.9	74,837	14.5	820	20.6	11,951	15.0
3	3739	13.1	34,288	6.0	3164	12.3	30,556	5.9	566	14.2	4926	6.2
4	2218	7.8	15,210	2.7	1867	7.2	14,026	2.7	413	10.4	2142	2.7
5 or more	3245	11.4	15,280	2.7	2819	10.9	14,058	2.7	771	19.3	2275	2.9