Table 3.

Descriptive statistics for the main study variables

	Variable
O	Alcohol consumption*, M (SD)	3.21 (1.87)
O	Alcohol-related problems†, n (%) yes	619 (11.50)
Employment characteristics
P	Working hours‡, M (SD)	7.95 (1.83)
P	Day job, no weekends, n (%) yes	3982 (73.90)
P	Evening job, n (%) yes	22 (0.40)
P	Night job, n (%) yes	84 (1.60)
P	Shift work, n (%) yes	981 (18.20)
P	Job position, n (%) workers	4288 (79.60)
P	Job size, n (%) full-time	4407 (81.80)
P	Income§, M (SD)	10.12 (6.25)
Job demands and support factors
P	Psychological job demands¶, M (SD)	2.17 (0.43)
P	Job control¶, M (SD)	3.00 (0.34)
P	Workplace social support¶, M (SD)	3.19 (0.47)
P	Leadership qualities**, M (SD)	2.91 (0.81)
Travels and worksite factors
P	Job travels, n (%) yes	804 (14.90)
P	Working from home, n (%) yes	374 (6.90)
P	Working from holiday home, n (%) yes	161 (3.00)
Workplace drinking social norms
P	Drinking social norms††, M (SD)	2.23 (0.53)

n=5388.

*Alcohol Use Disorders Identification Test–Consumption (AUDIT-C), scale 0–12.

†AUDIT (all 10 items, scale 0–40), sum score ≥8.

‡Number of hours during a typical day.

§Gross annual household income in 100 000 Norwegian kroner.

¶Job Content Questionnaire, scale 1–4.

**Seven-item Leadership Qualities Questionnaire.

††Drinking Norms Scale, scale 1–4 (higher scores=more liberal norms).

M, mean; O, outcome; P, predictor; SD, Standard deviation.