Obesity Paradox in Caucasian Seniors: Results of the PolSenior Study

Objectives To investigate the influence of overweight and obesity on general performance and mortality in seniors. Design Cross-sectional multidisciplinary study on ageing of the Polish population. Setting Community-dwelling individuals aged 65 years or older, selected using three-stage stratified, proportional draw. Participants 4944 Polish Caucasian seniors, aged 65 years or older recruited between October 2007 and October 2010. Measurements All study subjects underwent measurement of body mass index (BMI), waist circumference (WC), and arm circumference (AC). The physical and cognitive performance was evaluated using the Katz Activities of Daily Living (ADL) score and Mini-Mental State Examination (MMSE), respectively. Morbidity data were obtained from a medical questionnaire. Mortality data were obtained from the Population Register of Poland between October 2015 and October 2018. Results Increasing age was associated with a decreased prevalence of obesity (all p Conclusions Overweight and obesity in Caucasian seniors are not associated with deterioration of physical and cognitive function or with increased mortality.