CMAJ - May 15, 1997 / Table 2: Alcohol, tobacco and cannabis use among Nova Scotia adolescents: implications for prevention and harm reduction

Alcohol, tobacco and cannabis use among Nova Scotia adolescents: implications for prevention and harm reduction

Table 2: Use of alcohol, tobacco and cannabis reported by students

Drug* % of students (and 95% CI)

1991 1996

Alcoho onlyl 24.9 (22.5-27.4) 16.8† (15.2-18.4)

Alcohol and tobacco 10.1 (8.7-11.4) 7.7† (6.8-8.6)

Alcohol and cannabis 4.5 (3.6-5.5) 7.9† (6.8-9.0)

Tobacco only 3.3 (2.6-4.0) 3.7 (2.9-4.4)

Tobacco and cannabis < 1.0 (NM‡) 1.5 (1.1-2.0)

Cannabis only < 1.0 (NM) < 1.0 (NM)

All 3 drugs 12.4 (10.6-14.2) 21.9† (19.8-24.1)

None 43.9 (40.1-47.7) 39.7 (36.1-43.3)

*Categories of alcohol, tobacco and cannabis use are mutually exclusive.
†p < 0.001.
‡NM =not meaningful.

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| CMAJ May 15, 1997 (vol 156, no 10) / JAMC le 15 mai 1997 (vol 156, no 10) |

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Table 2: Use of alcohol, tobacco and cannabis reported by students
Drug*	% of students (and 95% CI)
Drug*	1991		1996
Alcoho onlyl	24.9	(22.5-27.4)	16.8†	(15.2-18.4)
Alcohol and tobacco	10.1	(8.7-11.4)	7.7†	(6.8-8.6)
Alcohol and cannabis	4.5	(3.6-5.5)	7.9†	(6.8-9.0)
Tobacco only	3.3	(2.6-4.0)	3.7	(2.9-4.4)
Tobacco and cannabis	< 1.0	(NM‡)	1.5	(1.1-2.0)
Cannabis only	< 1.0	(NM)	< 1.0	(NM)
All 3 drugs	12.4	(10.6-14.2)	21.9†	(19.8-24.1)
None	43.9	(40.1-47.7)	39.7	(36.1-43.3)
*Categories of alcohol, tobacco and cannabis use are mutually exclusive. †p < 0.001. ‡NM =not meaningful.