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[Incidence of increase and decrease in Body Mass Index in middle-aged men and women: four-year follow-up]
Nathalia Assis Augusto1, Mathias Roberto Loch1, Douglas Fernando Dias2
1Programa de Pós-Graduação em Saúde Coletiva, Universidade Estadual de Londrina (UEL). Rod. Celso Garcia Cid, PR-445, Km 380, Campus Universitário. 86057-970 Londrina PR Brasil. nathalia.assis@uel.br.
Ciencia & Saude Coletiva
|April 27, 2022
Summary
Middle-aged men and women experienced changes in Body Mass Index (BMI). Older age groups and obesity were linked to BMI reduction, while younger groups showed increased BMI.
Area of Science:
- Public Health
- Epidemiology
- Gerontology
Background:
- Body Mass Index (BMI) changes in middle-aged adults are influenced by various factors.
- Understanding these changes is crucial for developing targeted health interventions.
Purpose of the Study:
- To analyze the incidence of Body Mass Index (BMI) increase and decrease in middle-aged adults.
- To examine associations between BMI changes and sociodemographic characteristics and nutritional status.
Main Methods:
- A population-based cohort study of 689 adults aged 40-64 years, followed for four years.
- Poisson regression analysis was used to determine the relative risks (RR) of BMI changes.
Main Results:
- Higher incidence of BMI reduction was observed in older men (55-64 years) and women, those without partners, and individuals classified as overweight or obese.
- Conversely, the incidence of BMI increase was lower in the 55-64 age group for both men and women.
Conclusions:
- Sociodemographic factors and baseline nutritional status significantly influence BMI variation in middle-aged adults.
- Findings highlight the need for tailored public health policies to address BMI changes in this demographic.
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