The association between secondhand smoke and the risk of developing acute coronary syndromes, among non-smokers, under the presence of several cardiovascular risk factors: The CARDIO2000 case-control study

Table 2 Final results from the multivariate analysis in non-smokers, by sex.

	Males		Females
	Odds ratio	95% CI	Odds ratio	95% CI
Passive smoking
Occasional vs. no exposure	1.25	1.05 – 1.49	1.29	1.04 – 1.61
Regular vs. no exposure	1.97	1.84 – 2.10	2.06	1.93 – 2.21
Hypertension (yes / no)	1.66	1.16 – 2.38	4.96	2.56 – 9.53
Hypercholesterolemia (yes / no)	3.77	2.68 – 5.27	2.19	1.80 – 2.66
Diabetes mellitus (yes / no)	2.04	1.25 – 3.35	2.18	1.02 – 4.69
Family history of CHD (yes / no)	5.11	3.77 – 7.01	3.14	2.68 – 3.67
Physical inactivity (yes / no)	1.10	1.02 – 1.25	1.19	0.87 – 1.63
Education (per 6-year of schooling)	0.87	0.79 – 0.97	0.53	0.46 – 0.60
Depression (yes / no)	1.58	1.25 – 1.99	1.93	1.85 – 2.01

Variables entered in the initial model: age, sex (by design), hypertension, hypercholesterolemia, diabetes mellitus, physical inactivity, family history of premature coronary heart disease, education level, annual income and psychological (depression) status

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