Social determinants, lifestyle and diet quality: a population-based study from the 2015 Health Survey of São Paulo, Brazil

Participants aged 20-59 years scored 0.63 points on whole grains, representing 12.6% of the maximum score in the Brazilian Healthy Eating Index-Revised.

• Diet quality varies significantly based on education, income, occupation, sex, and race.
• The lowest scores in the diet quality assessment were observed for whole grains, sodium, and solid fats, alcohol, and added sugars.
• The presence of one or more diseases, such as diabetes or hypertension, is positively associated with better diet quality.
• Higher income levels correlate with improved diet quality, with middle income showing a β of 0.478 and high income a β of 0.966.
• Negative associations with diet quality were found for factors such as energy consumption, alcohol intake, lower education levels, non-white races, and unemployment.

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