Table 4.

Adjusted odds ratios (95% confidence interval) of income inequality for reporting fair or poor health, stratified by household income, age, and sex

Stratification and model*	Gini 2nd quarter (lower inequality)	Gini 3rd quarter (higher inequality)	Gini 4th quarter (highest inequality)
Income (million yen)
<2.00:
Model 2	1.10 (0.87 to 1.38)	1.07 (0.85 to 1.34)	1.04 (0.78 to 1.37)
Model 3	1.05 (0.81 to 1.36)	1.07 (0.79 to 1.44)	1.27 (0.90 to 1.78)
2.00-2.99:
Model 2	0.87 (0.71 to 1.07)	0.99 (0.82 to 1.19)	0.86 (0.65 to 1.13)
Model 3	0.83 (0.65 to 1.05)	0.82 (0.64 to 1.05)	0.88 (0.64 to 1.21)
3.00-4.99:
Model 2	1.06 (0.90 to 1.25)	1.11 (0.94 to 1.30)	0.87 (0.66 to 1.15)
Model 3	1.04 (0.86 to 1.26)	1.10 (0.89 to 1.35)	1.20 (0.89 to 1.62)
>5.00:
Model 2	0.98 (0.82 to 1.17)	0.95 (0.77 to 1.16)	0.86 (0.63 to 1.17)
Model 3	1.02 (0.83 to 1.25)	1.06 (0.83 to 1.35)	1.07 (0.74 to 1.56)
Age (years)
>60:
Model 2	0.97 (0.84 to 1.12)	1.04 (0.90 to 1.19)	0.88 (0.71 to 1.09)
Model 3	0.90 (0.67 to 1.23)	0.92 (0.71 to 1.19)	0.98 (0.84 to 1.16)
⩽60:
Model 2	1.02 (0.91 to 1.15)	1.02 (0.90 to 1.15)	0.94 (0.78 to 1.14)
Model 3	1.01 (0.88 to 1.16)	0.99 (0.85 to 1.16)	1.20 (0.98 to 1.49)
Sex
Male:
Model 2	1.04 (0.91 to 1.18)	1.05 (0.91 to 1.20)	0.92 (0.75 to 1.13)
Model 3	1.02 (0.87 to 1.18)	1.07 (0.90 to 1.28)	1.22 (0.98 to 1.53)
Female:
Model 2	0.98 (0.86 to 1.11)	1.02 (0.83 to 1.15)	0.91 (0.76 to 1.09)
Model 3	0.98 (0.85 to 1.13)	0.99 (0.84 to 1.16)	1.09 (0.88 to 1.36)

^*Model 2=adjusted for prefecture median income, Gini coefficient, household income, and individual characteristics; model 3=model 2 plus dummy variables for geopolitical blocks.