TABLE 2.

Hazard Ratio for First Hospitalization for Schizophrenia in Swedish Males As a Function of Level of Smoking and Time Lag From Smoking Assessment to First Possible Hospitalization

		Hazard Ratio
		Crude		Adjusted for Socioeconomic Statusa		Adjusted for Socioeconomic Status and Prior Drug Abusea
Time Lag	Predictor Variable	Estimate	95% CI	Estimate	95% CI	Estimate	95% CI
0 years	Light smoking versus none	2.15	1.25, 3.44	2.05	1.29, 3.27	1.62	1.00, 2.62
	Heavy smoking versus none	3.80	1.19, 6.60	3.45	1.97, 6.07	2.21	1.11, 4.42
	Neighborhood deprivation (mid versus low)			0.86	0.56, 1.33	0.86	0.55, 1.33
	Neighborhood deprivation (high versus low)			1.51	0.89, 2.55	1.40	0.83, 2.36
	Low parental education			1.11	0.67, 1.85	1.07	0.65, 1.79
	Drug abuse					6.42	3.48, 11.85
1 year	Light smoking versus none	2.15	1.33, 3.48	2.04	1.27, 3.29	1.60	0.97, 2.63
	Heavy smoking versus none	3.44	1.91, 6.20	3.10	1.70, 5.64	1.96	0.95, 4.06
	Neighborhood deprivation (mid versus low)			0.87	0.55, 1.37	0.86	0.55, 1.36
	Neighborhood deprivation (high versus low)			1.59	0.93, 2.71	1.47	0.86, 2.51
	Low parental education			1.11	0.66, 1.87	1.07	0.64, 1.81
	Drug abuse					6.65	3.55, 12.45
3 years	Light smoking versus none	2.16	1.26, 3.68	2.05	1.20, 3.49	1.77	1.02, 3.05
	Heavy smoking versus none	3.58	1.88, 6.80	3.21	1.65, 6.23	2.39	1.09, 5.24
	Neighborhood deprivation (mid versus low)			0.96	0.57, 1.61	0.96	0.57, 1.61
	Neighborhood deprivation (high versus low)			1.89	1.03, 3.48	1.80	0.99, 3.29
	Low parental education			0.90	0.48, 1.69	0.89	0.47, 1.66
	Drug abuse					4.20	1.95, 9.03

^aAdjustment included both family socioeconomic status (as assessed by low parental education) and community socioeconomic status (as assessed by neighborhood deprivation). Adjustment for drug abuse is based on registration for drug abuse in any of several registries (see the online data supplement).