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Article

Quality of Life of Brazilian Vegetarians Measured by the WHOQOL-BREF: Influence of Type of Diet, Motivation and Sociodemographic Data

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Department of Nutrition, Faculty of Health Sciences, Campus Darcy Ribeiro, University of Brasilia (UnB), Asa Norte, Brasilia 70910-900, DF, Brazil
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Department of Statistics, University of Brasilia, Brasilia 70910-900, DF, Brazil
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College of Hospitality and Tourism Management, Sejong University, 98 Gunja-Dong, Gwanjin-gu, Seoul 143-747, Korea
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CBIOS (Research Center for Biosciences and Health Technologies), Campo Grande 376, Universidade Lusófona de Humanidades e Tecnologias, 1749-024 Lisboa, Portugal
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Social Matters Research Group, Universidad Loyola Andalucía, C/Escritor Castilla Aguayo, 4 14004 Córdoba, Spain
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Public Policy Observatory, Universidad Autónoma de Chile, Santiago 7500912, Chile
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Authors to whom correspondence should be addressed.
Academic Editor: Peter Pribis
Nutrients 2021, 13(8), 2648; https://doi.org/10.3390/nu13082648
Received: 23 June 2021 / Revised: 18 July 2021 / Accepted: 27 July 2021 / Published: 30 July 2021
(This article belongs to the Special Issue Vegetarian Dietary Patterns and Human Health)
This study aimed to evaluate the general quality of life (QoL) of Brazilian vegetarians. A cross-sectional study was conducted with Brazilian vegetarian adults (18 years old and above). Individuals were recruited to participate in a nationwide online survey that comprised the WHOQOL-BREF as well as sociodemographic and characterization questions related to vegetarianism. The WHOQOL-BREF is composed of 24 items which are divided into four domains (domain 1: physical health; domain 2: psychological well-being; domain 3: social relationships; and domain 4: environment), plus two general items which were analyzed separately, totaling 26 items. The answers from the questionnaire were converted into scores with a 0–100 scale range, with separate analyses for each domain. Results were compared among groups based on the different characteristics of the vegetarian population. A total of 4375 individuals completed the survey. General average score results were 74.67 (domain 1), 66.71 (domain 2), 63.66 (domain 3) and 65.76 (domain 4). Vegans showed better scores when compared to the other vegetarians, except in domain four, where the statistical difference was observed only for semi-vegetarians (lower score). Individuals adopting a vegetarian diet for longer (>1 year) showed better results for domains one and two, with no difference for the other domains. Having close people also adopting a vegetarian diet positively influenced the results for all domains. On the other hand, it was not possible to distinguish any clear influence of the motivation for adopting a vegetarian diet on the scores’ results. Adopting a vegetarian diet does not have detrimental effects on one’s QoL. In fact, the more plant-based the diet, and the longer it was adopted, the better the results were. View Full-Text
Keywords: vegetarian diet; vegetarianism; quality of life; WHOQOL-BREF vegetarian diet; vegetarianism; quality of life; WHOQOL-BREF
MDPI and ACS Style

Hargreaves, S.M.; Nakano, E.Y.; Han, H.; Raposo, A.; Ariza-Montes, A.; Vega-Muñoz, A.; Zandonadi, R.P. Quality of Life of Brazilian Vegetarians Measured by the WHOQOL-BREF: Influence of Type of Diet, Motivation and Sociodemographic Data. Nutrients 2021, 13, 2648. https://doi.org/10.3390/nu13082648

AMA Style

Hargreaves SM, Nakano EY, Han H, Raposo A, Ariza-Montes A, Vega-Muñoz A, Zandonadi RP. Quality of Life of Brazilian Vegetarians Measured by the WHOQOL-BREF: Influence of Type of Diet, Motivation and Sociodemographic Data. Nutrients. 2021; 13(8):2648. https://doi.org/10.3390/nu13082648

Chicago/Turabian Style

Hargreaves, Shila M., Eduardo Y. Nakano, Heesup Han, António Raposo, Antonio Ariza-Montes, Alejandro Vega-Muñoz, and Renata P. Zandonadi. 2021. "Quality of Life of Brazilian Vegetarians Measured by the WHOQOL-BREF: Influence of Type of Diet, Motivation and Sociodemographic Data" Nutrients 13, no. 8: 2648. https://doi.org/10.3390/nu13082648

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