Substance Use by Canadian Youth - A National Survey of Canadians' Use of Alcohol and Other Drugs - Canadian Addiction Survey (CAS)

Chapter 6: Poly Drug Use (con't)

Table 6.13: Percentage reporting lifetime use of any of 5 illicit drugs (cocaine, speed, ecstasy, hallucinogens, heroin), Canada, aged 15-24, 2004

	N	%	[95% CI]	OR	OR with substance use variables
Total	2,085	24.2	[21.2-27.5]
Sex				*
Male	1,039	27.4	[22.9-32.4]	1.432*	1.197
Female [comparison group]	1,046	20.8	[17.0-25.2]	--	--
Age [comparison group is previous]				**	*
15-17	581	10.5	[7.0-15.4]	--	--
18-19	439	30.6	[23.3-38.9]	3.876**	2.298*
20-24	1,065	28.1	[23.9-32.8]	0.848	0.908
Region [comparison group is Canada]				**	**
Atlantic	531	17.6	[14.3-21.6]	0.717**	0.707*
Quebec	148	35.9	[28.6-44.0]	1.837**	1.840**
Ontario	146	17.6Q	[12.2-24.8]	0.644*	0.541**
Prairie	810	23.4	[20.6-26.5]	0.989	1.029
British Columbia	450	26.4	[22.5-30.7]	1.191	1.380*
Household Location
Rural [comparison group]	364	22.9	[16.0-31.8]	--	--
Non-rural	1,721	24.3	[21.1-27.9]	0.995	1.031
Income Adequacy
Lowest [comparison group]	289	29.3	[21.2-38.9]	--	--
Middle	675	22.7	[17.9-28.3]	0.723	0.713
Highest	313	30.2	[22.2-39.7]	1.096	0.931
Not stated	808	20.8	[16.3-26.1]	0.779	0.835
Alcohol Status Past 12 Months [comparison is previous]					**
Abstainer/Former drinker	376	s	s		--
Light Infrequent drinker	765	19.3	[15.0-24.4]		1.904
Light Frequent drinker	221	26.5	[18.8-35.8]		0.832
Heavy Infrequent	366	29.8	[22.1-38.8]		1.755
Heavy Frequent	301	53.5	[43.5-63.2]		2.225*
Lifetime Use of Cannabis					**
Yes	1,194	38.5	[34.0-43.3]		33.493**
No [comparison group]	888	s	s		s

Notes: Q = qualified due to high sampling variability;
s = estimate suppressed due to high sampling variability or cell size less than 30;
*p < 0.05; **p < 0.01;
CI = confidence interval;
OR = adjusted for all variables in the table.

Table 6.14: Percentage reporting lifetime use of any of 5 illicit drugs (cocaine, speed, ecstasy, hallucinogens, heroin), Canada, lifetime drinkers aged 15-24, 2004

	N	%	[95% CI]	OR	OR with substance use variables
Total	1,882	26.5	[23.3-30.1]
Sex
Male	941	30.1	[25.3-35.5]	1.432	1.289
Female [comparison group]	941	22.8	[18.7-27.6]	--	--
Age [comparison group is previous]				**	*
15-17	458	13.7	[9.2-19.9]	--	--
18-19	414	31.5	[24.0-40.1]	3.065**	2.702*
20-24	1,010	29.4	[25.1-34.2]	0.864	0.988
Region [comparison group is Canada]				**	**
Atlantic	474	19.4	[15.7-23.7]	0.710**	0.745
Quebec	143	37.2	[29.7-45.4]	1.749**	1.699**
Ontario	129	20.1	[13.9-28.0]	0.668*	0.588*
Prairie	735	25.6	[22.5-29.0]	0.998	0.996
British Columbia	401	29.2	[24.9-33.9]	1.206	1.349*
Household Location
Rural [comparison group]	320	25.6	[17.9-35.2]	--	--
Non-rural	1,562	26.7	[23.1-30.5]	0.988	1.077
Income Adequacy
Lowest [comparison group]	266	30.0	[21.6-40.0]	--	--
Middle	623	24.9	[19.7-30.9]	0.766	0.753
Highest	300	32.4	[23.9-42.2]	1.113	0.996
Not stated	693	23.7	[18.6-29.7]	0.833	0.907
Age of Alcohol Initiation					**
					0.823**
Alcohol Status Past 12 Months [comparison is previous]					**
Former drinker	180	s	s		s
Light Infrequent drinker	765	19.3	[15.0-24.4]		1.970
Light Frequent drinker	221	26.5	[18.8-35.8]		0.864
Heavy Infrequent	366	29.8	[22.1-38.8]		1.687
Heavy Frequent	301	53.5	[43.5-63.2]		2.029*
Lifetime Use of Cannabis					**
Yes	1,179	38.6	[34.0-43.3]		24.590**
No [comparison group]	701	s	s		s

Notes: s = estimate suppressed due to high sampling variability or cell size less than 30;
*p < 0.05; **p < 0.01;
CI = confidence interval;
OR = adjusted for all variables in the table.

Table 6.15: Percentage reporting lifetime use of any of 5 illicit drugs (cocaine, speed, ecstasy, hallucinogens, heroin), Canada, lifetime drinkers and cannabis users, aged 15-24, 2004

Notes: s = estimate suppressed due to high sampling variability or cell size less than 30;
*p < 0.05; **p < 0.01;
CI = confidence interval;
OR = adjusted for all variables in the table.