Table 2.

Adjusted mortality per 1000 person years in relation to area median share of income and household income at individual level

Household income at individual level	Median share of income				Rate ratio (95% confidence interval)*
	Lowest quarter (least equality) (n=6588)	Second quarter (n=6712)	Third quarter (n=6295)	Highest quarter (most equality) (n=6133)
Lowest quarter	34.5	36.0	35.1	31.0	1.00 (0.97 to 1.04)
Second quarter	33.2	27.7	27.3	24.1	0.96 (0.91 to 1.00)
Third quarter	24.0	25.5	18.9	16.1	1.02 (0.97 to 1.07)
Highest quarter	21.0	23.3	14.9	11.8	1.00 (0.94 to 1.07)
Rate ratio (95% confidence interval)†	0.83 (0.80 to 0.87)	0.83 (0.79 to 0.86)	0.81 (0.77 to 0.85)	0.82 (0.77 to 0.88)

^*Mantel-Cox score test for trend in mortality across quarters with decreasing inequality, controlling for age and sex. 

^†Mantel-Cox score test for trend in mortality across quarters with increasing income, controlling for age and sex.