Loading metrics Open Access Peer-reviewed Research Article Citation: Lovato N, Appleton SL, Reynolds AC, Gill TK, Martin S, Wittert GA, et al. (2026) Relationships between pre-pandemic mental health, sociodemographic factors and health behaviours in older adults during the acute onset of COVID-19 in Australia: A descriptive analysis. PLoS One 21(4): e0346787.