Appendix D The Extent and Patterns of Cannabis Use Among Adult Canadians, 1970-1978
Reports - Cannabis Control Policy |
Drug Abuse
The Extent and Patterns of Cannabis Use
Among Adult Canadians, 1970-1978
Page
Table D-1. Adult Canadians – Incidence of Cannabis Use................... 91
Table D-2. Adult Canadians – Current Cannabis Use Patterns,
(Gallup, 1978)....................................................................... 92
Table D-3. Adult Canadians – Frequency of Cannabis Use................. 93
Table D-4. Adult Canadians – Cannabis Use by Region (Gallup, 1978) 94
TABLE D-1
ADULT CANADIANS – INCIDENCE OF USE
(Percent & Estimated Number in Population)
Ever Used: | Marijuana | Hashish | Cannabis |
Canada, 1970 (Le Dain) | 3.3% 422,000 | 2.5% 320,000 | 3.6% 451,000 |
Canada, 1978 (Gallup)1 | 16.4% 2,624,000 | 11.2% 1,792,000 | 17.2% 2,752,000 |
|
|
|
|
Annual Use (past 12 months): | Marijuana | Hashish | Cannabis |
Canada, 1970 (Le Dain) | * * | * * | 1.9% 238,000 |
Ontario, 1976 (ARF) | * * | * * | 5.8% 337,8502 |
Ontario, 1977 (ARF) | * * | * * | 8.6% 500,9502 |
Canada, 1978 (Gallup)1 | 9.4% 1,504,000 | 6.1% 976,000 | 9.75% 1,560,000 |
1 Conducted in January, 1978. Population estimates based on estimate of 16 million Canadians aged 18 and over in 1977.
2 Estimated number in Ontario only, based on estimate of 5,825,000 Ontarians aged 18 and over in 1977.
* Data not available.
Table D-2
ADULT CANADIANS – CURRENT CANNABIS USE PATTERNS, (GALLUP, 1978)1
(Percent & Estimated Number in Population)
|
Marijuana |
Hashish |
Cannabis |
Use within 12 months of interview |
9.4% 1,504,000 | 6.1% 976,000 | 9.75% 1,560,000 |
Use within 30 days of interview |
8.0% 1,280,000 | 5.1% 816,000 | 8.3% 1,328,000 |
Used within week prior to interview |
3.2% 512,000 | 1.1% 176,000 | 3.6% 576,000 |
Used daily in past 30 days |
1.4% 224,000 | 0.3% 48,000 | 1.4% 224,000 |
1 See note on Table D-1.
TABLE D-3
ADULT CANADIANS – FREQUENCY OF CANNABIS USE
(Percent & Estimated Number in Population)
|
1970 (Le Dain)
"Past 12 months" |
1976 (Ontario)2
"Past 12 months" |
1977 (Ontario)2
"Past 12 months" |
1978 (Gallup)1
"Past 30 days" |
Once weekly or less | 1.8% 225,000 | 4.6% 273,650 | 7.4% 430,800 | 4.7% 752,000 |
More than once weekly | 0.1% 12,500 | 1.1% 64,200 | 1.2% 70,150 | 3.6% 576,000 |
Total | 1.9% 238,000 | 5.8% 337,850 | 8.6% 500,950 | 8.3% 1,328,000 |
1 & 2 See notes on Table D-1.
TABLE D-4
ADULT CANADIANS – CANNABIS USE BY REGION (GALLUP, 1978)1
|
Ever used |
Use within past 12 months |
Use within past 30 days |
Use in past Week |
% of Est. no. in
sample Region |
% of Est. no. in
sample Region |
% of Est. no. in
sample Region |
% of Est. no. in
sample Region |
|
Atlantic | 10.8 173,000 | 7.6 122,000 | 6.7 107,000 | 3.8 61,000 |
Quebec | 12.5 550,000 | 6.5 281,000 | 5.5 238,000 | 1.0 43,000 |
Ontario | 22.4 1,326,000 | 11.5 681,000 | 9.7 574,000 | 4.0 237,000 |
Prairies | 12.5 300,000 | 8.4 202,000 | 5.8 139,000 | 2.6 62,000 |
B.C. | 22.6 400,000 | 15.2 270,000 | 15.2 270,000 | 9.8 173,000 |
Canada | 17.2 2,752,000 | 9.75 1,560,000 | 8.3 1,328,000 | 3.6 576,000 |
1 See note on Table D-1.
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