Table 3 Driving or being a passenger while driver is under the influence of cannabis, alcohol, or illicit drugs by province and rural/urban setting
Manitoba | Ontario | Quebec | Statistics; Effect size (χ2 ; Cramer’s V) | p Value | |||||
|---|---|---|---|---|---|---|---|---|---|
Rural (n=248) | Urban (n=528) | Rural (n=79) | Urban (n=217) | Rural (n=197) | Urban (n=216) | Total | |||
Driving a motor vehicle under the influence: a | |||||||||
Cannabis. Lifetime (%) | 16.8 | 13.3 | 15.7 | 9.5 | 8.9 | 14.5 | 13.2 | χ2 (5)=7.83 V=0.08 | 0.166 |
Cannabis. Past month (%) | 7.8 | 6.4 | 11.4 | 4.7 | 3.8 | 9.2 | 6.8 | χ2 (5)=7.57 V=0.08 | 0.182 |
Alcohol. Lifetime (%) | 28.9 | 21.4 | 14.3 | 11.2 | 31.2 | 28.8 | 23.2 | χ2 (5)=29.96 V=0.16 | < 0.001*** |
Alcohol. Past month (%) | 11.2 | 8.6 | 5.7 | 7.1 | 14.6 | 15.7 | 10.4 | χ2 (5)=12.96 V=0.10 | 0.024* |
Illicit drugs§. Lifetime (%) | 3.5 | 3.8 | 7.1 | 4.80 | 3.8 | 7.2 | 4.5 | χ2 (5)=4.98 V=0.07 | 0.418 |
Illicit drugs§. Past month (%) | 0.0 | 1.9 | 4.30 | 2.4 | 1.3 | 1.3 | 1.6 | χ2 (5)=8.09 V=0.08 | 0.151 |
Cannabis, alcohol, or illicit drugs. Lifetime (%) | 34.3 | 26.0 | 21.4 | 15.0 | 35.3 | 32.2 | 27.8 | χ2 (5)=26.50 V=0.15 | < 0.001*** |
Cannabis, alcohol, or illicit drugs. Past month (%) | 16.1 | 11.9 | 12.9 | 9.6 | 17.3 | 20.4 | 14.2 | χ2 (5)=11.47 V=0.10 | 0.043* |
Frequency of driving under the influence in previous 30 days a | |||||||||
Cannabis (%) | |||||||||
Never | 83.20 | 86.70 | 84.30 | 90.50 | 91.10 | 85.50 | 86.8 | χ2 (15)=40.33 V=0.18 | 0.313 |
Lifetime but not in past 30 days | 9.10 | 6.90 | 4.30 | 4.70 | 5.10 | 5.30 | 6.4 | ||
1-3 times in past 30 days | 6.00 | 3.60 | 7.10 | 3.00 | 3.20 | 7.20 | 4.6 | ||
4 times or more in the past 30 days | 1.70 | 2.90 | 4.30 | 1.80 | 0.60 | 2.00 | 2.2 | ||
Alcohol (%) | |||||||||
Never | 71.10 | 78.60 | 85.70 | 88.80 | 68.80 | 76.8 | 71.20 | χ2 (15)=17.09 V=0.12 | < 0.001*** |
Lifetime but not in past 30 days | 17.70 | 12.80 | 8.60 | 4.10 | 16.60 | 12.8 | 13.10 | ||
1-3 times in past 30 days | 10.30 | 7.10 | 4.30 | 4.70 | 12.70 | 8.9 | 14.40 | ||
4 times or more in the past 30 days | 0.90 | 1.40 | 1.40 | 2.40 | 1.90 | 1.5 | 1.30 | ||
Illicit drugs b (%) | |||||||||
Never | 96.50 | 96.20 | 92.90 | 95.20 | 96.20 | 92.80 | 95.5 | χ2 (5)=23.35 V=0.14 | 0.077 |
Lifetime but not in past 30 days | 3.50 | 1.90 | 2.90 | 2.40 | 2.60 | 5.90 | 2.9 | ||
1-3 times in past 30 days | 0.00 | 0.70 | 2.90 | 2.40 | 1.30 | 1.30 | 1.3 | ||
4 times or more in the past 30 days | 0.00 | 1.20 | 1.40 | 0.00 | 0.00 | 0.00 | 0.0 | ||
Passenger in a motor vehicle driven by someone under the influence of cannabis, alcohol, or illicit drugs | |||||||||
Lifetime (%) | 34.90 | 28.80 | 32.00 | 15.90 | 32.70 | 36.50 | 29.6 | χ2 (5)=27.19 V=0.14 | < 0.001*** |
Past month (%) | 15.50 | 11.80 | 20.00 | 5.80 | 8.20 | 13.80 | 11.8 | χ2 (5)=18.05 V=0.11 | 0.003** |
More than once in the past 30 days (%) | 9.70 | 7.00 | 13.30 | 4.30 | 2.90 | 7.40 | 7.0 | χ2 (5)=13.94 V=0.10 | 0.016* |