Table 4
Number and percentage of people driving a vehicle within two hours of having consumed cannabis, by selected characteristics, household population aged 15 years or older, Canada, combined first, second and third quarters of 2018
| Thousands – People | % – People | Lower limit (%) – 95% confidence interval3 | Upper limit (%) – 95% confidence interval3 | |
|---|---|---|---|---|
| First, second and third quarters combined | ||||
| Canada | 572.6 | 14.2 | 12.1 | 16.6 |
| Gender | ||||
| Females1 | 160.7 | 9.7 | 7.4 | 12.7 |
| Males | 401.9 | 17.02 | 14.0 | 20.4 |
| Age group | ||||
| 15 to 24 | 121.3 | 14.8E | 9.1 | 23.1 |
| 25 or older1 | 451.3 | 14.0 | 12.0 | 16.4 |
| Province | ||||
| Newfoundland and Labrador | 10.8 | 15.3E | 10.2 | 22.4 |
| Prince Edward Island | 2.1 | 12.3E | 7.5 | 19.6 |
| Nova Scotia | 25.9 | 16.6E | 11.3 | 23.6 |
| New Brunswick | 15.4 | 17.6E | 11.4 | 26.1 |
| Quebec | 91.8 | 14.5E | 9.7 | 21.2 |
| Ontario | 210.8 | 13.2E | 9.4 | 18.2 |
| Manitoba | 20.8 | 13.1E | 8.3 | 20.0 |
| Saskatchewan | 23.0 | 20.2E | 13.3 | 29.6 |
| Alberta | 92.1 | 17.7E | 12.5 | 24.3 |
| British Columbia | 79.7 | 11.8E | 8.1 | 16.8 |
| Frequency of cannabis use | ||||
| Once or twice1 | 39.5 | 3.1E | 1.8 | 5.3 |
| Monthly | F | F | ... | ... |
| Weekly | 87.2 | 12.8E,2 | 8.0 | 19.9 |
| Daily or almost daily | 433.1 | 27.92 | 23.5 | 32.7 |
...
not applicable
E
use with caution
F
too unreliable to be published
Note(s):
For the combined analysis the original sampling weights of provincial respondents were adjusted by a factor of three (because there are three quarters). By combining quarters the analytical power of the survey is improved and the estimates reflect the average of the three quarters.
Source(s):
National Cannabis Survey (5262).
Table note 1
Reference category.
Table note 2
Significantly higher than the reference category.
Table note 3
Confidence intervals are used to express the precision of the estimate.
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