Table 3

Problem drinking based on AUDIT-C Score

n=4197 (LY) valid % are used	Indication of problem drinking based on AUDIT-C	Frequency min two to three times/week	SU alcohol three or four (on a typical day when drinking)	SU alcohol five or more * (on a typical day when drinking)	Binge drinking at least once a week
	39.1%	37.1%	24%	11.4%	8.6%
Language
Χ²	ns	<0.001	ns	ns	ns
Dutch-speaking	39.0	38.2	23.6	11.1	7.8
French-speaking	39.6	31.8	25.8	13.2	12.8
Gender
Χ²	<0.001	<0.001	<0.001	<0.001	<0.001
Male	45.1	46.8	28.3	18.8	14.4
Female	33.7	28.9	20.2	4.8	3.4
Age
Χ²	<0.001	<0.001	<0.001	<0.001	<0.001
≤35 years	43.2	32.7	24.9	15.2	9.5
>35 years	36.2	40.3	23.4	8.8	7.9
Educational level
Χ²	0.012	<0.001	<0.001	<0.001	<0.001
Primary/secondary (lower education)	36.9	31.2	24.7	15.0	10.2
College/university (higher education)	41.3	43.4	23.5	8.0	6.9
Family context
Χ²	<0.001	<0.001	<0.001	<0.001	<0.001
Living alone	52.6	45.0	28.6	17.3	16.0
Living with others	37.4	36.3	23.4	10.6	7.6
Employment sector
Χ²	<0.001	<0.001	<0.001	<0.001	<0.001
Construction	51.6	47.0	27.7	24.1	21.6
Services	41.3	41.3	28.7	9.9	7.1
Healthcare	30.2	26.6	19.6	5.8	4.2
Distributive trade	41.7	35.0	26.0	13.9	9.4
Accommodation and food service	49.1	38.1	24.1	17.9	11.4
Manufacturing	46.7	43.7	28.8	18.2	10.8
Education	39.7	41.1	22.5	6.2	5.2
Government	37.5	43.8	20.7	10.4	8.0
Transport and storage	38.5	44.8	23.1	16.2	13.9
Other	39.6	34.5	24.8	12.5	9.4

Binge drinking: more than six standard units of alcohol per occasion; scores: ≥ weekly.
Score with indication problem drinking (men ≥5; women ≥4).
χ², Pearson’s χ² test.
*, Sum of ‘5 or 6’, ‘7 to 9’ and ‘≥10’.
AUDIT-C, Alcohol Use Disorders Identification Test–Consumption; LY, last year (past 12 months); SU, standard unit.