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We also analyzed socio-demographic characteristics such as age (65 to 79 years, 80 years and older), marital status (married or living as a couple, unmarried/widow/divorced), and educational level (no study, primary education completed, secondary education, or more).
In regard to their educational level, 50 patients (50/80; 62.5%) had low educational level, being regarded as illiterate and/or with only primary education completed (total ≤ 4 years of formal schooling).
Education was subdivided into five categories (no formal education, some formal education but less than primary, primary education completed, secondary education completed, and tertiary education completed).
*Low education level was defined as incomplete primary education, completed primary education, and lower vocational or general education.
Maternal education was broken down into 4 categories: no formal or some primary education, completed primary education, some secondary, and religious education only.
Unfortunately, this did not allow analysis of the inequity gradient of mortality beyond this dichotomy (e.g., incomplete primary education, completed primary school, incomplete secondary education, and completed secondary education and above).
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Maternal education had the categories no education, incomplete primary education, complete primary education, incomplete secondary education and complete secondary or higher education.
*No education, incomplete primary education, complete compulsory primary education and lower secondary education; **Upper secondary education, college education and university education.
The economic status was defined according to the Brazilian Economic Classification Criteria, which also considers education level, categorized as illiterate/incomplete primary education, complete primary education/incomplete secondary education, complete secondary education/incomplete high school, complete high school/some college, or complete college education.
Education level was grouped into three categories based on the highest education level attained: low (illiterate individuals and those who did not complete primary education), medium (completed primary education), and high (completed secondary or higher-level education).
We measured health service provider education and experience by self-reported number of years of primary and secondary education completed and years in current position.
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