TABLE 2.

Change in relative and absolute area-socioeconomic disparity in lung cancer incidence, United States, 1992–2004

	Measures of relative disparity				Measures of absolute disparity
	Rate ratio	Index of disparity	Relative concentration index (× 100)	Mean log deviation(× 1,000)	Rate difference	Between-group variance	Absolute concentration index
Females
Index, 1992	1.2	10.6	1.6	1.5	19.8	56.0	2.1
Index, 2004	1.4	27.7	2.4	6.3	49.4	219.2	3.2
Change, 1992–2004	0.3	17.3	0.8	4.8	30.5	163.5	1.1
95% CI* for change	0.2, 0.4	8.9, 25.7	−0.8, 2.5	2.3, 7.3	15.9, 45.2	76.1, 250.9	−1.1, 3.2
% change, 1992–2004†	194.9	166.3	52.9	348.7	162.4	325.7	48.8
Males
Index, 1992	1.4	18.4	−0.8	3.5	89.0	529.5	−2.2
Index, 2004	1.5	26.7	0.1	5.1	79.7	412.7	0.3
Change, 1992–2004	0.1	8.5	1.0	1.6	−8.6	−102.5	2.5
95% CI for change	0.0, 0.2	0.4, 16.6	−0.5, 2.5	−0.7, 4.0	−34.4, 17.2	−380.0, 175.0	−0.9, 5.9
% change, 1992–2004†	26.8	46.6	−116.3	49.4	−9.7	−20.2	−112.1

CI, confidence interval.

^†Estimates for the percent change may differ slightly from that calculated directly from the table values because of rounding.