Obesities
Temporal Patterns and Cross-Sectional Correlates of BMI-Defined Weight Status Among Mexican Adults Aged 50 Years and Older
Background: Fluctuations in body mass index (BMI) have been associated with frailty, functional decline, and increased morbidity and mortality. However, evidence on the longitudinal evolution of weight status in aging populations remains limited. This study aimed to characterize population-level patterns and individual longitudinal fluctuations in BMI-defined weight status among Mexican adults aged 50 years and older between 2001 and 2021 and to examine factors associated with BMI categories across survey waves. Me …