TABLE 2—

Regression-Based Estimates of Inequalities in Smoking Initiation, Cessation, and Prevalence Among 3 Italian Birth Cohorts, by Gender

	Relative Index of Inequality (95% Confidence Interval)
Birth Cohort	Probability of Starting Smoking	Probability of Quitting Smoking	Probability of Being a Smoker at Age 40 Years
Men
1940–1949	1.07 (0.87, 1.32)	0.77 (0.69, 1.00)	1.21 (1.00, 1.47)
1950–1959	1.38 (1.11, 1.70)	0.49 (0.37, 0.64)	1.80 (1.42, 2.28)
1960–1969	5.10 (4.12, 6.31)	0.70 (0.53, 0.92)	4.10 (3.39, 4.96)
Women
1940–1949	0.25 (0.20, 0.32)	0.87 (0.58, 1.32)	0.32 (0.25, 0.41)
1950–1959	0.43 (0.35, 0.53)	0.46 (0.33, 0.65)	0.69 (0.56, 0.86)
1960–1969	1.42 (1.18, 1.72)	0.39 (0.29, 0.52)	1.99 (1.61, 2.45)