The goal of this clinical trial is to learn if a digitalised Exercise Fit Tool (EFT) mobile application can promote physical activity in adolescents aged 12-18 years who have completed treatment for hematologic cancer (e.g., leukaemia and lymphoma). The main questions it aims to answer are: 1. Is it feasible to conduct a larger randomised controlled trial of the digitalised EFT intervention? 2. Does the digitalised EFT intervention improve physical activity levels, physical activity self-efficacy, and quality of life at 6 months? Researchers will compare the digitalised EFT intervention group to a usual care group to see if the mobile application can promote physical activity levels, physical activity self-efficacy, and quality of life in adolescents with hematologic cancer.Participants will: 1. Receive a 20-minute educational session on how to use the mobile application 2. Use the mobile application to self-assess their appropriate physical activity level and exercise with a virtual coach 3. Complete questionnaires and wear an accelerometer at 1, 3, and 6 months after enrollment 4. Attend a 20-30-minute individual interview at 6 months (intervention group only, 10 participants)
Age range
12 Years – 18 Years
Sex
ALL
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Screening rate
Timeframe: During the recruitment period (up to 6 months)
Eligibility rate
Timeframe: During the recruitment period (up to 6 months)
Consent rate
Timeframe: During the recruitment period (up to 6 months)
Randomization rate
Timeframe: Time Point 1 (at 1 month after intervention)
Attendance rate
Timeframe: Time Point 1 (at 1 month after intervention)
Retention rate
Timeframe: Time Point 3 (at 6 months after intervention)
Adherence rate
Timeframe: Time Point 1 (at 1 month after intervention)
Complete rate
Ka Wai Katherine LAM, Doctor of Philosophy
Timeframe: Time Point 1 (at 1 month after the intervention), Time Point 2 (at 3 month after intervention), Time Point 3 (at 6 months after intervention)
Proportion of missing data
Timeframe: Time Point 3 (at 6 months after the intervention)
Adverse events
Timeframe: Time Point 3 (at 6 months after the intervention)