Table 3.

Ordinal logistic regression results for work-related illicit drug use

Predictors	Frequency of illicit drug use before work	Frequency of illicit drug use during the workday	Frequency of illicit drug impairment during the workday	Frequency of illicit drug use after work
Gender, male	0.71*	0.58	1.03**	0.16
Race, minority	0.08	0.05	0.07	−0.06
Age	−0.04*	−0.04*	−0.05**	−0.03**
Education	−0.03	−0.07	−0.09	−0.12*
Total family income	−0.10	−0.03	−0.01	−0.04
Work hours per week	−0.01	−0.01	−0.02	0.00
Weekend work	0.64	−0.01	0.29	0.10
Seasonal work	−0.08	0.28	0.19	−0.16
Deviance proneness	1.11***	1.14***	1.03***	1.29***
Workplace descriptive norms	0.29*	0.27*	0.23*	0.00
Workplace injunctive norms	1.07***	1.18***	1.28***	1.23***
Model χ2 (11 df)	160.56***	149.05***	192.15***	196.62***

Notes: n = 2,430. All coefficients are unstandardized. The coefficients for income have been rescaled to represent increments of $10,000.

^*p ≤ .05;

^**p ≤ .01;

^***p ≤ .001.