Effects of physical activity and sociodemographic aspects on the mental health of the Brazilian population at different times of the COVID-19 pandemic. SciELO Preprints, 2025. DOI: 10.1590/SciELOPreprints.11373. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/11373. Acesso em: 13 maio. 2026.