Table A2.

Descriptive statistics on full sibling pairs from the Swedish population where at least one in the pair are registered for DA

	DA
	Medical to medical	Criminal to criminal	Criminal to medical	Medical to criminal
N	68 386	84 908	84 908	68 386
% in S2	1.0	3.8	0.7	1.0
S2 affected
Distance (km) 25th-50th-75th	1-5-45	0-1-13	0-3-29	0-4-30
Distance (km) mean	66.6	37.4	53.2	52.3
Same household	19.4%	40.1%	29.0%	27.8%
Age at registration S1	28.4	23.0	25.5	25.4
Age difference	3.6	3.4	3.5	3.5
YoB S1, mean, s.d.	1968	1981	1979	1978
YoB S2, mean, s.d.	1968	1981	1978	1978
SAMS density S1 (±5)	1.5	3.2	2.5	1.7
SAMS density S2(±5)	1.3	3.0	1.6	2.1
S2 not affected
Distance (km) 25th-50th-75th	3-13-79	1-7-47	1-6-45	3-13-79
Distance (m) mean	84.6	69.2	68.1	84.7
Same household	9.9%	20.7	21.3%	9.8%
Age at registration S1	32.1	27.2	27.0	32.1
Age difference	4.2	4.0	4.0	4.2
YoB S1, mean, s.d.	1966	1978	1978	1965
YoB S2, mean, s.d.	1965	1977	1977	1965
SAMS density S1 (±5)	1.2	2.4	2.4	1.2
SAMS density S2(±5)	0.7	1.8	0.9	0.6