Prevalence and associated factors of smoking among secondary school students in Harare Zimbabwe

Table 4 Odds Ratio of Risk Factors for Smoking Among Adolescents in Harare, Zimbabwe in 2009

Factors	Univariate Analysis			Multivariate Analysis
	Odds Ratio	95%CI	P	Odds Ratio	95%CI	P
Sex
Male	2.68	1.86-3.84	< 0.001	-	-	-
Age (years)
13-15	1
16-17	1.37	0.88-2.12	0.154	-	-	-
18-19	2.76	1.78-4.29	< 0.001
Race
African Origin	1
Caucasian Origin	2.82	1.58-5.05	< 0.001	-	-	-
Asian	0.42	0.05-3.43	0.418
Mixed race	3.67	1.85-7.28	< 0.001
Type of School
Government	1
Private	5.19	3.56-7.56	< 0.001	-	-	-
Geographical Location of School
Low density	1
Medium density	1.61	1.05-2.49	0.029
High Density	0.22	0.14-0.35	< 0.001	0.27	0.15-0.52	< 0.001
Friends who smoke
Yes	8.66	5.85-12.82	< 0.001	2.75	1.73-4.36	< 0.001
Parents who smoke
Yes	1.73	1.20-2.50	0.004	-	-	-
Use Marijuana
Yes	20.48	9.85-42.57	< 0.001	8.08	3.46-18.83	< 0.001
Involved in Physical fight
Yes	3.32	2.02-5.46	< 0.001	2.29	1.24-4.24	0.008
Drink Alcohol
Yes	16.06	8.51-30.34	< 0.001	5.72	2.85-11.46	< 0.001
Had Sexual Intercourse
Yes	5.46	3.39-8.82	< 0.001	4.43	2.25-8.74	< 0.001
Suicidal
Yes	1.92	1.22-3.00	0.005

ISSN: 1617-9625