Table 3.

Adjusted odds ratios of melanoma associated with cigarette smoking

	Adjusted OR1 (95% CI)
	males	females
Smoking status
Never	reference	reference
Current	0.56 (0.40–0.79)	0.96 (0.74–1.26)
Former	0.50 (0.39–0.64)	0.89 (0.73–1.08)
Duration of smoking
Never smoker	reference	reference
<20 years	0.61 (0.46–0.80)	1.18 (0.95–1.46)
21–40 years	0.50 (0.37–0.68)	0.90 (0.70–1.17)
>40 years	0.26 (0.15–0.44)	0.55 (0.34–0.89)
Cigarettes per day
Never smoker	reference	reference
<10	0.50 (0.37–0.67)	1.11 (0.90–1.36)
10–20	0.52 (0.39–0.70)	0.79 (0.61–1.02)
>20	0.44 (0.28–0.69)	0.80 (0.49–1.29)

¹OR adjusted for age, marital status, skin type, highest level of education, time spent outdoors, sun vacations, use of solarium, and sun protective measures.