Brazilian temporal trend of overweight and breast cancer mortality (2006–2018)
DOI:
https://doi.org/10.5020/18061230.2025.16907Keywords:
Obesity, Breast Cancer, MortalityAbstract
Objective: To analyze the temporal trend and association between overweight and female breast cancer mortality in Brazil. Methods: This ecological time-series study investigated overweight data from the Surveillance of Risk and Protective Factors for Chronic Diseases by Telephone Survey (VIGITEL) and mortality data on malignant breast neoplasms from the Online Mortality Atlas. The analysis period comprised the years 2006 to 2018 and included the 26 state capitals and the Federal District, grouped according to the country's geographic regions. Percentage variation over the study period and biennial percentage changes were calculated using Prais-Winsten regression. Results: Overweight and obesity showed an increasing trend between 2006 and 2018 across all Brazilian regions, with the greatest increases observed in the North (PV = 51.6%; p = 0.001) and Southeast (PV = 97.2%; p = 0.001). At the national level, both excess body weight (PV = 1.34; p = 0.017) and obesity (PV = 2.27; p = 0.041) were positively associated with the increasing trend in breast cancer mortality. Conclusion: The findings indicate that increasing adiposity in Brazil is associated with worsening breast cancer mortality indicators, reinforcing the need for prevention strategies and weight management as public health priorities to mitigate this impact within the Brazilian context.
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Copyright (c) 2025 Priscilla de Lima Carneiro, Ilana Nogueira Bezerra, Italo Wesley Oliveira Aguiar , Fernando Natalense da Costa , Geórgia de Mendonça Nunes Leonardo, Luiz Gonzaga Porto Pinheiro, Cícera Chaves Lôbo, Sara Maria Moreira Lima Verde

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