Intervention
The two co-designed intervention packages were: Both the PA and DIET interventions included evidence-based, tailored behavior change support strategies.CONTROL: Information and general advice about PA and diet via two telehealth sessions (Months 0 and 3). Dissemination of hard copy documents (and/or links to online resources) about Australian Government PA and healthy eating guidelines.PA: Months 0–3: Twice weekly in-home telehealth-supervised exercise sessions (24 in total). Each session included (1) supervised, real-time exercise aiming for 20 mins of moderate to vigorous PA, (target heart rate 55% to 90% of age-predicted maximum (HRMax); and/or rating of perceived exertion (Borg category ratio 10, CR-10) between 3 and 6 points), and (2) discussion of goals and strategies to support PA to achieve a minimum of 150 minutes of moderate to vigorous PA per week. Months 4 to 6: Individually tailored home and community exercise program with once-weekly telehealth support.DIET: Months 0–3: Telehealth-delivered, individualized dietary counseling sessions in weeks 1 and 2 and fortnightly thereafter (7 in total) to support participants to follow a Mediterranean-style diet. Months 4 to 6: Monthly dietary counseling sessions.PA + DIET: The PA and diet intervention packages were delivered simultaneously.