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Table 2 Absolute inequality (Slope Index-SII) in the lack of access to medicines for hypertension and diabetes in relation to the education and region of residence of the studied Brazilians. Vigitel. 2019

From: “Inequalities in access to medicines for diabetes and hypertension across the capitals in different regions of Brazil: a population-based study”

  Prevalence of lack of access according to schooling  
none 1 a 4 5 a 8 9 a 11 12 or more P valuea SII P valueb
Antihypertensive 8.2 11.3 12.0 10.7 7.2 0.037 −3.6 0.056
Antidiabetic 12.5 9.4 7.2 12.2 8.7 0.279 0.7 0.825
  Prevalence of lack of access by region of residence  
North Northeast Midwest Southeast South P valuea SII P valueb
Antihypertensive 12.5 12.1 10.2 9.7 7.7 0.065 −4.7 0.004
Antidiabetic 13.5 11.0 9.2 9.3 5.6 0.188 −5.4 0.020
  1. a p-value of the Chi-square test for linear trend
  2. b p value from Wald test