Abstract
BackgroundVegetarianism is an increasingly common practice worldwide. Despite good evidence from other countries regarding vegetarians’ diet quality, data from the Brazilian population is still scarce.ObjectiveTo characterize the vegetarian Brazilian population and evaluate their diet quality compared to the general Brazilian population.MethodsWe performed a nationwide cross-sectional study using an online self-administered questionnaire, previously validated for the Brazilian population, to evaluate diet quality markers of vegetarians. The invitation to participate in the survey was spread nationwide, aimed at vegetarian communities. Individuals who considered themselves vegetarians and were at least 18 years old were eligible to participate. The results on regular intake and intake adequacy were compared among vegetarians and between genders using the Pearson’s chi-square test. The body mass index (BMI) were analyzed by the Analysis of Variance (ANOVA) followed by Tukey post-hoc test. The Kolmogorov-Smirnov test verified normality. All analyses considered bilateral hypotheses and a significance level of 5% (p <0.05).ResultsBrazilian vegetarians presented better diet quality markers, such as higher regular weekly intake and adequate daily intake of fruits and vegetables, and lower regular intake of soft drinks when compared to the general Brazilian population. Vegetarians also presented a proportionally higher consumption of natural foods and lower consumption of processed foods. Among vegetarians, a higher proportion of vegans showed positive results regarding diet markers analysis, when compared to vegetarians, pesco-vegetarians, and semi-vegetarians.ConclusionsVegetarians showed better results of diet adequacy when compared to the general population in Brazil, and vegans fared better when compared with other vegetarians. Despite the good results found, a large proportion of the participants still did not achieve the fruits and vegetables daily intake, according to the World Health Organization recommendations.
Highlights
Vegetarianism is a broad concept that encompasses various dietary patterns, according to how restricted the consumption of animal products is in one’s diet [1]
Brazilian vegetarians presented better diet quality markers, such as higher regular weekly intake and adequate daily intake of fruits and vegetables, and lower regular intake of soft drinks when compared to the general Brazilian population
Vegetarians showed better results of diet adequacy when compared to the general population in Brazil, and vegans fared better when compared with other vegetarians
Summary
Vegetarianism is a broad concept that encompasses various dietary patterns, according to how restricted the consumption of animal products is in one’s diet [1]. According to data from the Brazilian Institute of Public Opinion and Statistics (IBOPE), 14% of the overall Brazilian population are classified as vegetarians [4]. Different factors can influence the adoption of a vegetarian diet. Health improvement is cited as one of the reasons why people choose to become vegetarians, as well as environmental concerns regarding meat production impact on natural resources. Belonging to a religion which encourages meat avoidance, such as Hinduism and Adventism, is an important factor that leads to the adoption of a vegetarian diet [5,6]. Despite good evidence from other countries regarding vegetarians’ diet quality, data from the Brazilian population is still scarce
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