Time 1 (before legalisation) | Time 2 (after legalisation) | Unadj. P value* | Adj. P value*† | |||||
% | 95% CI | % | 95% CI | |||||
From | To | From | To | |||||
Aware of having a substance use policy in their workplace | ||||||||
Yes | 62.7 | 60.6 | 64.8 | 79.0 | 77.5 | 80.5 | <0.0001 | <0.0001 |
No | 15.1 | 13.6 | 16.7 | 9.5 | 8.4 | 10.6 | ||
Don't know | 22.1 | 20.3 | 24.0 | 11.5 | 10.4 | 12.7 | ||
Aware of having a drug testing programme in their workplace | 0.1041 | 0.1606 | ||||||
Yes | 11.7 | 10.3 | 13.1 | 13.1 | 11.8 | 14.3 | ||
No | 71.4 | 69.4 | 73.4 | 71.4 | 69.8 | 73.1 | ||
Don't know | 16.9 | 15.3 | 18.6 | 15.5 | 14.2 | 16.8 |
*P values correspond to the results of an F test testing the hypothesis of equal marginal means for the main effect of time (comparing time 1 with time 2 weighted for non-response).
†Adjusted for survey mode, age, sex, province, education, smoking, alcohol, general health status, hazardous work, workplace size, work hours, tenure, workshift schedule, job permanence, industry, and cannabis use status.
Adj, adjusted; Unadj, unadjusted.