Positive self-perception of diet: a population-based study in the far south of Brazil.

Objective: to analyze prevalence of positive self-perception of diet and association with sociodemographic and behavioral factors, morbidity, self-perception of health and weight, and body weight care, in the city of Rio Grande, RS, Brazil, in 2016.

Methods: this was a cross-sectional study conducted with adults and elderly people resident in the city of Rio Grande using 13 indicators of healthy eating and positive self-perception of diet (outcome); Poisson regression was used.

Results: the sample consisted of 1,243 individuals, 72.4% of whom reported positive self-perception of diet; indicators such as weekly consumption of greens or vegetables (PR=133 - 95%CI 1.22;1.45) and fruit (PR=1.35 - 95%CI 1.22;1.48) were positively associated with the outcome; no significant difference was found between sexes.

Conclusion: positive self-perception of diet is associated with healthy eating indicators among adults and the elderly and can be useful in epidemiological surveys.