Table 2
Frequency of cannabis use among past-three month users, by gender, age group, and quarter, household population aged 15 or older, Canada, first, second and third quarters of 2018
| Thousands – People | % – People | Lower limit (%) – 95% confidence interval4 | Upper limit (%) – 95% confidence interval4 | |
|---|---|---|---|---|
| Third quarter | ||||
| Total | ||||
| Once or twice | 1,385.0 | 4.6 | 3.8 | 5.6 |
| Monthly | 627.2 | 2.1 | 1.5 | 2.9 |
| Weekly | 773.3 | 2.6 | 2.0 | 3.3 |
| Daily or almost daily | 1,765.1 | 5.9 | 5.0 | 6.9 |
| Gender | ||||
| Females | ||||
| Once or twice | 691.8 | 4.5 | 3.5 | 5.9 |
| Monthly | 224.9 | 1.5E | 0.9 | 2.5 |
| Weekly | 339.8 | 2.2E | 1.6 | 3.2 |
| Daily or almost daily | 642.2 | 4.21 | 3.2 | 5.5 |
| Males | ||||
| Once or twice | 669.3 | 4.6 | 3.4 | 6.1 |
| Monthly | 402.2 | 2.7E | 1.8 | 4.1 |
| Weekly | 432.1 | 2.9E | 2.0 | 4.2 |
| Daily or almost daily | 1,069.9 | 7.3 | 5.9 | 8.9 |
| Age group | ||||
| 15 to 24 | ||||
| Once or twice | 325.3 | 8E | 4.7 | 13.1 |
| Monthly | 250.0 | 6.1E | 3.2 | 11.5 |
| Weekly | F | F | ... | ... |
| Daily or almost daily | 337.9 | 8.3E | 5.3 | 12.8 |
| 25 to 44 | ||||
| Once or twice | 611.9 | 6.1 | 4.6 | 7.9 |
| Monthly | 238.0 | 2.4E | 1.5 | 3.6 |
| Weekly | 318.6 | 3.2E | 2.2 | 4.5 |
| Daily or almost daily | 915.8 | 9.1 | 7.2 | 11.4 |
| 45 or older | ||||
| Once or twice | 447.8 | 2.82,3 | 2.1 | 3.8 |
| Monthly | 139.2 | 0.9E2 | 0.5 | 1.4 |
| Weekly | 266.2 | 1.7 | 1.2 | 2.3 |
| Daily or almost daily | 511.4 | 3.22 | 2.6 | 4.0 |
| Second quarter | ||||
| Total | ||||
| Once or twice | 1,426.9 | 4.8 | 4.0 | 5.7 |
| Monthly | 540.8 | 1.8 | 1.3 | 2.4 |
| Weekly | 736.3 | 2.5 | 1.9 | 3.2 |
| Daily or almost daily | 1,939.1 | 6.5 | 5.5 | 7.7 |
| Gender | ||||
| Females | ||||
| Once or twice | 571.0 | 3.81 | 2.9 | 4.9 |
| Monthly | 174.0 | 1.2E,1 | 0.7 | 1.8 |
| Weekly | 226.3 | 1.5E,1 | 1.0 | 2.2 |
| Daily or almost daily | 860.8 | 5.7 | 4.4 | 7.5 |
| Males | ||||
| Once or twice | 855.9 | 5.8 | 4.5 | 7.4 |
| Monthly | 366.8 | 2.5E | 1.7 | 3.7 |
| Weekly | 510.0 | 3.5E | 2.5 | 4.8 |
| Daily or almost daily | 1,078.3 | 7.3 | 6.0 | 8.9 |
| Age group | ||||
| 15 to 24 | ||||
| Once or twice | 404.1 | 11.3E | 7.4 | 16.8 |
| Monthly | F | F | ... | ... |
| Weekly | F | F | ... | ... |
| Daily or almost daily | 445.0 | 12.4E | 7.8 | 19.3 |
| 25 to 44 | ||||
| Once or twice | 725.6 | 6.8 | 5.3 | 8.8 |
| Monthly | 280.7 | 2.6E | 1.9 | 3.8 |
| Weekly | 308.7 | 2.9E | 2.0 | 4.2 |
| Daily or almost daily | 958.1 | 9.0 | 7.1 | 11.4 |
| 45 or older | ||||
| Once or twice | 297.2 | 1.92 | 1.4 | 2.6 |
| Monthly | 79.2 | 0.5E2 | 0.3 | 0.9 |
| Weekly | 287.9 | 1.8 | 1.3 | 2.5 |
| Daily or almost daily | 536.0 | 3.42 | 2.8 | 4.2 |
| First quarter | ||||
| Total | ||||
| Once or twice | 1,267.5 | 4.3 | 3.5 | 5.2 |
| Monthly | 572.7 | 1.9 | 1.4 | 2.6 |
| Weekly | 718.5 | 2.4 | 1.9 | 3.1 |
| Daily or almost daily | 1,620.0 | 5.4 | 4.6 | 6.3 |
| Gender | ||||
| Females | ||||
| Once or twice | 655.9 | 4.4 | 3.3 | 5.7 |
| Monthly | 240.6 | 1.6E | 1.0 | 2.5 |
| Weekly | 242.3 | 1.6E,1 | 1.1 | 2.3 |
| Daily or almost daily | 703.5 | 4.7 | 3.6 | 6.0 |
| Males | ||||
| Once or twice | 611.7 | 4.2 | 3.2 | 5.5 |
| Monthly | 332.1 | 2.3E | 1.5 | 3.4 |
| Weekly | 475.6 | 3.2 | 2.3 | 4.5 |
| Daily or almost daily | 900.5 | 6.1 | 5.0 | 7.5 |
| Age group | ||||
| 15 to 24 | ||||
| Once or twice | 239.3 | 6.8E | 3.8 | 11.9 |
| Monthly | 198.4 | 5.6E | 3.0 | 10.4 |
| Weekly | F | F | ... | ... |
| Daily or almost daily | 268.3 | 7.6E | 4.7 | 12.2 |
| 25 to 44 | ||||
| Once or twice | 747.7 | 7.1 | 5.6 | 9.1 |
| Monthly | 301.6 | 2.9E | 1.9 | 4.2 |
| Weekly | 407.1 | 3.9 | 2.9 | 5.2 |
| Daily or almost daily | 795.8 | 7.6 | 6.1 | 9.4 |
| 45 or older | ||||
| Once or twice | 280.5 | 1.82 | 1.3 | 2.4 |
| Monthly | 72.7 | 0.5E2 | 0.3 | 0.8 |
| Weekly | 201.9 | 1.3E | 0.9 | 1.9 |
| Daily or almost daily | 555.9 | 3.52 | 2.8 | 4.4 |
| First, second and third quarters combined | ||||
| Total | ||||
| Once or twice | 1,359.8 | 4.5 | 4.1 | 5.1 |
| Monthly | 580.2 | 1.9 | 1.6 | 2.3 |
| Weekly | 742.7 | 2.5 | 2.1 | 2.9 |
| Daily or almost daily | 1,774.7 | 5.9 | 5.4 | 6.5 |
| Gender | ||||
| Females | ||||
| Once or twice | 639.6 | 4.2 | 3.6 | 4.9 |
| Monthly | 213.2 | 1.41 | 1.1 | 1.9 |
| Weekly | 269.5 | 1.81 | 1.4 | 2.2 |
| Daily or almost daily | 735.5 | 4.91 | 4.2 | 5.7 |
| Males | ||||
| Once or twice | 712.3 | 4.8 | 4.1 | 5.7 |
| Monthly | 367.0 | 2.5 | 2.0 | 3.2 |
| Weekly | 472.6 | 3.2 | 2.6 | 3.9 |
| Daily or almost daily | 1,016.2 | 6.9 | 6.1 | 7.8 |
| Age group | ||||
| 15 to 24 | ||||
| Once or twice | 322.9 | 8.7 | 6.6 | 11.4 |
| Monthly | 209.8 | 5.6E | 3.9 | 8.2 |
| Weekly | 146.0 | 3.9E | 2.4 | 6.5 |
| Daily or almost daily | 350.4 | 9.4 | 7.1 | 12.3 |
| 25 to 44 | ||||
| Once or twice | 695.1 | 6.7 | 5.7 | 7.8 |
| Monthly | 273.4 | 2.62 | 2.1 | 3.3 |
| Weekly | 344.8 | 3.3 | 2.7 | 4.0 |
| Daily or almost daily | 889.9 | 8.6 | 7.5 | 9.8 |
| 45 or older | ||||
| Once or twice | 341.8 | 2.22 | 1.8 | 2.6 |
| Monthly | 97.0 | 0.62 | 0.4 | 0.8 |
| Weekly | 252.0 | 1.62 | 1.3 | 1.9 |
| Daily or almost daily | 534.5 | 3.42 | 3.0 | 3.9 |
...
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
Signifcantly lower than corresponding estimate for males.
Table note 2
Signifcantly lower than corresponding estimate for 15 to 24 year olds.
Table note 3
Significantly higher than corresponding estimate from the first quarter.
Table note 4
Confidence intervals are used to express the precision of the estimate.
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