Table 2.

Odds ratios and 95% confidence intervals for laryngeal cancer and time to first cigarette in ever smokers.

	Larynx cancer		Glottis cancer		Supraglottis cancer
	OR	95% CI	OR	95% CI	OR	95% CI
Time to first cigarette
>60 min.	1.0		1.0		1.0
31–60 min.	0.97	0.55–1.70	0.80	0.43–1.49	1.51	0.63–3.61
1–30 min.	1.39	0.89–2.15	0.77	0.35–1.70	3.13	1.56–6.30
Whites
>60 min.	1.0		1.0		1.0
31–60 min.	1.11	0.62–1.99	0.73	0.38–1.39	2.07	0.80–5.33
1–30 min.	1.43	0.90–2.27	0.80	0.35–1.82	3.43	1.58–7.43
Blacks
>60 min.	1.0		1.0		1.0
31–60 min.	0.18	0.02–1.67	1.4	0.01–713	0.11	0.01–3.82
1–30 min.	1.04	0.21–5.11	-----	-----	0.55	0.04–7.14

Odds ratios adjusted for age, sex, race, education, body mass index, alcohol consumption, smoking status, years of smoking and cigarettes per day.