Barriers to healthy lifestyle behaviours and adherence to physical activity and dietary guidelines by older Australians: A descriptive analysis

•Approximately half of participants met physical activity guidelines.•No participants met dietary guidelines for all food groups.•Lipid-lowering therapy users exercised less than non-users.•Mobility and health concerns were more common among lipid-lowering therapy users.•Barriers to dietary intake and behaviours did not differ by lipid-lowering therapy use.