The influence of behavioural and health problems on alcohol and drug use in late adolescence - a follow up study of 2 399 young Norwegians

Table 2 Associations between early alcohol intoxication, behavioural- and health problems at baseline and the likelihood (age adjusted OR, 95% CI) of frequent alcohol use* at follow-up; stratified by gender.

	Total (N = 2399)			Boys (N = 1115)			Girls (N = 1284)
Exposure variables	OR	CI	R^2**	OR	CI	R²	OR	CI	R²
Bivariate log.reg
Anxiety/depressive symptoms	1.1	0.8-1.4	0.002	1.0	0.7-1.6	0.003	1.4	1.0-2.0	0.006
Attention problems	1.5	1.2-2.0	0.01	1.1	0.9-1.3	0.01	1.1	0.9-1.4	0.02
Conduct problems	2.2	1.7-3.0	0.02	1.8	1.2-2,5	0.02	2.8	1.6-4.7	0.02
Pain and tension problems	1.3	1.0-1.7	0.007	1.3	0.9-2.0	0.007	1.6	1.1-2.2	0.01
Early alcohol intoxication	2.7	2.1-3.4	0.06	2.8	2.0-3.9	0.05	2.8	2.0-4.1	0.05
Full model log.reg
Anxiety/depressive symptoms	0.9	0.7-1.0		1.0	0.6-1.6		1.0	0.6-1.5
Attention problems	1.2	0.9-1.6		1.1	0.7-1.7		1.4	0.9-2.1
Conduct problems	1.7	1.3-2.4		1.3	0.9-2.0		1.8	1.0-3.2
Pain and tension problems	1.1	0.8-1.5		1.2	0.7-1.8		1.3	0.9-1.9
Early alcohol intoxication	2.4	1.9-3.1		2.5	1.7-3.6		2.6	1.7-3.8
			0.06			0.06			0.07

ISSN: 1753-2000