Who are the superheroes? A cross-sectional study on the determinants of healthy ageing

Abstract People who reach old age while enjoying good physical and mental health are, in a sense, ‘superheroes’ (of health): in fact, they not only have a relatively low impact on health care spending but are also advantaged in playing an active role in society and achieving their aspirations (and perhaps helping others to do so). The aim of this study was to assess the prevalence and determinants of being ‘physical superheroes’ (i.e., lacking the 10 major chronic conditions plus obesity), ‘mental superheroes’ (i.e., lacking major mental symptoms) and ‘superheroes’ (i.e., both mental and physical superheroes). We used data from a telephone-based cross-sectional study (LOST in Lombardia) conducted in November 2020 (i.e., during the COVID-19 pandemic) on a representative sample of 4,400 adults aged ≥65 years from the Lombardy region, Northern Italy. All the participants provided data both during and before the COVID-19 pandemic. Mental and physical superheroes were 59.0% and 17.6%, respectively. Superheroes were 12.8% overall, 15.1% among men and 11.1% among women; 20.2% among individuals aged 65-69 years, 11.3% among 70-74, 10.0% among 75-79, and 8.3% among ≥80 years. Multivariable analysis showed that, besides female sex, higher age, and disadvantaged socio-economic status, ever tobacco smoking (adjusted odds ratio, aOR=0.71), alcohol drinking (aOR=0.77), and physical inactivity (p for trend<0.001) were inversely related to being superheroes. Participants with feelings of hopelessness showed an extremely low presence of “superheroes” (OR = 0.17). The COVID-19 pandemic reduced by 16.3% the proportion of superheroes. Given a steadily ageing population, public health policies should aim to ensure that people reach old age in the best possible state of health by preventing risky behaviours and paying special attention to inequalities derived from economic and social factors.