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0325/2024 - Sedentary behavior and dietary patterns in young adultsthe 1993 Pelotas Birth Cohort, Brazil.
Comportamento sedentário e padrões alimentares em adultos jovens da Coorte de Nascimentos de 1993 de Pelotas, Brasil.

Author:

• Thais Gularte Della Vechia - Della Vechia, TG - <dv_thais@hotmail.com>
ORCID: https://orcid.org/0009-0001-9891-3531

Co-author(s):

• Thaynã Ramos Flores - Flores, TR - <floresrthayna@gmail.com>
ORCID: https://orcid.org/0000-0003-0098-1681
• Ana Maria Baptista Menezes - Menezes, AMB - <anamene.epi@gmail.com>
ORCID: https://orcid.org/0000-0002-2996-9427
• Fernando C Wehrmeister - Wehrmeister, FC - <fcwehrmeister@gmail.com>
ORCID: https://orcid.org/0000-0001-7137-1747
• Helen Gonçalves - Gonçalves, H - <hdgs.epi@gmail.com>
ORCID: https://orcid.org/0000-0001-6470-3352
• Bruna Gonçalves-Silva - Gonçalves-Silva, B - <brugcs@hotmail.com>
ORCID: https://orcid.org/0000-0003-2917-7320


Abstract:

This longitudinal study evaluated the association between sedentary behavior, assessed by screen time and accelerometer, at 18 and 22 years of age and eating patterns at 22 years in participantsthe 1993 Pelotas (Brazil) Birth Cohort. The exposure variables were self-reported screen time during leisure time, sedentary time measured by accelerometer, and change in screen and sedentary timesages 18 to 22. The principal component analysis identified three dietary patterns at 22 years: Snacks and Sweets, Healthy, and Brazilian Common. Associations were analyzed by crude and adjusted Poisson Regression (n=3,396). The adjusted analyses showed associations between higher screen time at 18 (PR:1.23; 95%CI:1.08-1.40) and 22 years (PR:1.23; 95%CI:1.09-1.39) and greater adherence to the Snacks and Sweets pattern. In addition, high screen time at 18 and 22 years was associated with greater adherence to Snacks and Sweets (PR:1.31; 95%CI:1.03-1.67) and lower adherence to the Healthy pattern (PR:0.65; 95%CI:0.48-0.87), compared to low screen time at both ages. No associations were found with sedentary time assessed by an accelerometer. We concluded that higher screen time at ages 18 and 22 was associated with adherence to an unhealthy dietary pattern in young adults.

Keywords:

Food Consumption; Sedentary Behavior; Screen Time; Young Adult; Cohort Studies.

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Della Vechia, TG, Flores, TR, Menezes, AMB, Wehrmeister, FC, Gonçalves, H, Gonçalves-Silva, B. Sedentary behavior and dietary patterns in young adultsthe 1993 Pelotas Birth Cohort, Brazil.. Cien Saude Colet [periódico na internet] (2024/Sep). [Citado em 05/12/2025]. Está disponível em: http://cienciaesaudecoletiva.com.br/en/articles/sedentary-behavior-and-dietary-patterns-in-young-adultsthe-1993-pelotas-birth-cohort-brazil/19373



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