Life in a Time of COVID: Retrospective Examination of the Association Between Physical Activity and Mental Well-Being in Western Australians During and after Lockdown

The aim of this study was to examine physical activity and sedentary behaviours during Western Australia’s COVID-19 lockdown and their association with mental well-being. Participants completed activity related questions approximately two months after a three-month lockdown (which formed part of a larger cross-sectional study from August to October 2020) as part of a 25-minute questionnaire adapted from the Western Australia Health and Well-being Surveillance system. Open-ended questions explored key issues relating to physical activity behaviours. During the lockdown period, 463 participants (female, n = 347; 75.3