Table 5

Logistic regression analysis of demographic characteristics, AUDIT-4 and SCL-5 for medicinal drugs*, illicit drugs and polyuse in Oslo

	Illicit drugs			Medicinal drugs			Polyuse
	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value
Age (years)
18 to 40	Reference
41 to 60	0.40	0.23 to 0.67	<0.001	1.71	1.24 to 2.38	<0.05	1.34	0.83 to 2.15	0.23
61 to 70	0.12	0.05 to 0.27	<0.001	2.40	1.61 to 3.58	<0.001	1.51	0.87 to 2.64	0.15
71+	0.02	0.00 to 0.12	<0.001	2.22	1.36 to 3.65	<0.05	1.00	0.51 to 1.95	1.00
Gender
Male	Reference
Female	0.37	0.24 to 0.58	<0.001	0.86	0.70 to 1.06	0.15	0.79	0.60 to 1.05	0.10
SCL-5
≤2	Reference
>2	2.07	1.35 to 3.17	<0.001	2.61	2.06 to 3.30	<0.001	3.47	2.61 to 4.61	<0.001
Marital status
Married/co-habitant	Reference
Divorced	3.30	1.79 to 6.10	<0.001	1.30	0.98 to 1.74	0.07	1.75	1.21 to 2.53	<0.05
Widowed	0.74	0.09 to 5.92	0.77	1.47	1.01 to 2.12	0.04	1.49	0.90 to 2.45	0.12
Single	1.78	1.12 to 2.85	<0.05	1.28	1.01 to 1.64	0.05	1.28	0.91 to 1.79	0.16
Employment
Active	Reference
Retired	2.20	0.83 to 5.83	0.11	2.07	1.40 to 3.07	<0.001	3.82	2.22 to 6.59	<0.001
Non-active	6.29	3.74 to 10.58	<0.001	3.82	2.80 to 5.21	<0.001	7.36	4.87 to 11.14	<0.001
AUDIT-4
0 to 3	Reference
4 to 6	1.03	0.62 to 1.72	0.91	0.77	0.60 to 0.98	<0.05	0.72	0.51 to 1.04	0.08
7 to 8	1.63	0.85 to 3.10	0.14	1.02	0.68 to 1.54	0.93	1.34	0.79 to 2.28	0.28
9 to 16	0.85	0.46 to 1.58	0.61	1.12	0.77 to 1.62	0.55	0.89	0.56 to 1.41	0.61

*Medicinal drugs defined as benzodiazepines, z-hypnotics or opioids.
AUDIT-4, Alcohol Use Disorder Identification Test-4; SCL-5, Symptom Checklist 5.