. 2015 Aug 18;110(11):1794–1802. doi: 10.1111/add.13042

Table 1.

Distribution of covariate frequencies (%) across levels of adolescent cannabis use measured at ~18 years of age in a cohort of Swedish men.

			Adolescent cannabis use
	Overall		Never		1–10 times		11–50 times		>50 times
	n	%	n	%	n	%	n	%	n	%
	42 240	100	38 506	91.16	2515	5.95	603	1.43	616	1.46
Childhood/adolescence
Parental SEP
Non‐manual occupation	18 142	42.95	16 417	42.63	1170	46.52	291	48.26	264	42.86
Manual occupation	23 210	54.95	21 286	55.28	1294	51.45	297	49.25	333	54.06
No occupation	888	2.10	803	2.09	51	2.03	15	2.49	19	3.08
Divorced parents	4285	10.14	3556	9.23	443	17.61	129	21.39	157	25.49
Contact with police or childcare authorities	11 727	27.76	9683	25.15	1207	47.99	377	62.52	460	74.68
IQ (1–9)	5.40^a	2.05^b	5.36^a	2.06^b	5.84^a	1.84^b	5.62^a	1.84^b	5.48^a	1.84^b
Social maturity (1–5)	3.10^a	0.87^b	3.13^a	0.86^b	3.01^a	0.92^b	2.67^a	1.00^b	2.20^a	0.93^b
Psychiatric diagnosis	4855	11.49	3864	10.03	451	17.93	202	33.50	338	54.87
Cigarette smoking
None	17 859	42.28	17 367	45.10	373	14.83	73	12.11	46	7.47
1–10 cigarettes/day	13 501	31.96	12 211	31.71	929	36.94	179	29.68	182	29.55
>10 cigarettes/day	10 880	25.76	8928	23.19	1213	48.23	351	58.21	388	62.99
Risky alcohol use	5334	12.63	4148	10.77	669	26.60	230	38.14	287	46.59
Illicit drug use
None	40 956	96.96	38 380	99.67	2147	85.37	303	50.25	126	20.45
Yes	1049	2.48	124	0.32	330	13.12	244	40.46	351	56.98
Yes, injected	235	0.56	2	0.01	38	1.51	56	9.29	139	22.56
Adulthood
Level of education
Tertiary education	11 691	27.68	10 637	27.62	777	30.89	153	25.37	124	20.13
Secondary education	19 487	46.13	17 616	45.75	1239	49.26	308	51.08	324	52.60
Primary education	11 062	26.19	10 253	26.63	499	19.84	142	23.55	168	27.27
Psychiatric disorder	1806	4.28	1529	3.97	145	5.77	55	9.12	77	12.50
Drug‐related disorder	167	0.40	89	0.23	34	1.35	16	2.65	28	4.55

Mean;

standard deviation; SEP = socio‐economic position.