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Table 2 Degree of the disparity in the outcomes depending on area-level deprivation

From: Difference in the prevalence of hypertension and its risk factors depending on area-level deprivation in Japan

Variable Men Women
SII (95% CI)a RII (95% CI)b SII (95% CI)a RII (95% CI)b
Proportion of persons whose systolic BP ≥ 140 (mmHg) 3.36 (2.46, 4.26) 1.18 (1.13, 1.23) 2.04 (1.29, 2.78) 1.14 (1.09, 1.20)
Proportion of persons whose diastolic BP ≥ 90 (mmHg) 1.66 (0.88, 2.44) 1.10 (1.05, 1.15) 0.45 (0.03, 0.87) 1.06 (1.00, 1.13)
Proportion of persons whose BMI ≥ 25 (kg/m2) 6.01 (4.95, 7.08) 1.19 (1.15, 1.22) 5.26 (4.22, 6.29) 1.28 (1.22, 1.34)
Proportion of persons whose BMI ≥ 30 (kg/m2) 1.52 (1.15, 1.90) 1.29 (1.21, 1.38) 1.37 (1.05, 1.70) 1.37 (1.28, 1.48)
Proportion of smokers 4.52 (3.45, 5.60) 1.14 (1.10, 1.17) 3.50 (2.60, 4.40) 1.44 (1.30, 1.58)
Proportion of drinkers 2.81 (1.59, 4.02) 1.04 (1.02, 1.06) 0.70 (-0.98, 2.38) 1.02 (0.97, 1.06)
Proportion of heavy alcohol drinkers 3.20 (1.74, 4.67) 1.15 (1.08, 1.23) 4.37 (2.50, 6.23) 1.20 (1.11, 1.30)
  1. CI confidence interval, SII Slope index of inequality, RII Relative index of inequality, BMI body mass index, BP blood pressure
  2. aSII can be interpreted as the difference of age-standardized proportion between the most deprived area and that for the least deprived area
  3. bRII can be interpreted as the ratio of age-standardized proportion for the most deprived area compared with that for the least deprived area