Abstract summary 

Studies assessing the association between vegetarianism and mental health have found divergent results. Evidence from adolescents in developing countries is scarce.To evaluate the association between a vegetarian diet and emotional symptoms in 15-year-old adolescents from Ethiopia, India, Peru and Vietnam.A cross-sectional, secondary analysis of the Young Lives cohort study was used. The exposure variable was the self-report of being a vegetarian (yes or no). The outcome was the level of emotional symptoms, numerically evaluated using the score obtained in the subscale "Emotional Symptoms" of the Strengths and Difficulties Questionnaire (SDQ). We calculated crude and adjusted coefficients (β) with 95% confidence intervals (95% CIs), using generalized linear models of the Gaussian family, considering each sentinel site as a cluster. The analysis was stratified by country. Additionally, we made a global analysis including the four countries.A total of 3484 adolescents were analyzed. The overall prevalence of vegetarianism was 4.4%, but it varied between countries (from 0.4% in Vietnam to 11.5% in India). The average emotional symptoms score was 3.5 [standard deviation (SD) 2.3] points. The scores were not statistically different between vegetarians and non-vegetarians (p > 0.05). In the adjusted analysis, in Vietnam, vegetarians had lower emotional symptoms scores on average than non-vegetarians [β: -1.79; 95% CI: -3.05 to -0.55]. No differences were found neither in the other countries nor in the overall sample.There was no association between a vegetarian diet and emotional symptoms in the analyzed adolescents of four developing countries.

Authors & Co-authors:  Santivañez-Romani Alejandra A Carbajal-Vega Valeria V Pereyra-Elías Reneé R

Study Outcome 

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