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Table 2 Models to assess the relationship between maternal mortality ratio and Human Development Index, per capita income, Gini index and Social Vulnerability Index in Brazilian federative units in 2017

From: Relationship between income inequality, socioeconomic development, vulnerability index, and maternal mortality in Brazil, 2017

Variables Maternal Mortality Ratio
β (95% CI) adjusted R2 p*
Model I: All variables included
 Human Development Index 33.3 (− 429.1; 494.7) 0.05 0.882
 Social Vulnerability Index 67.1 (− 139.5; 273.9) 0.507
 Per capita income −0.02 (− 0.09; 0.04) 0.487
 Gini index −22.9 (− 286.9; 374.8) 0.828
Model II: Stepwise selection
 Per capita income −0.02 (− 0.05; − 0.002) 0.15 0.028