Breast Cancer App protocol: a randomized controlled trial to evaluate a self-management app for breast cancer survivors

INTERVENTION: Experimental group:Mobile application‐'Be with You' App;Control group:Mobile application‐ 'Sham' App; CONDITION: Breast cancer survivors PRIMARY OUTCOME: Problem solving skills‐The Social Problem‐Solving Inventory Revised‐Short Form (SPSI‐R: S);Self management‐A Morisky Medication Adherence Scale 8 (MMAS‐8);Self‐efficacy‐The Self‐Efficacy to Manage Chronic Disease Scale (SEMCD); SECONDARY OUTCOME: Health literacy level‐Brief Health Literacy Screening (BHLS);Health‐related Quality of life (HRQOL)‐12‐item Short‐Form Health Survey (SF‐12);Readiness of change‐The University of Rhode Island Change Assessment Scale (URICA);Usability of app; INCLUSION CRITERIA: 1) female; 2) breast cancer survivors; 3) Cancer stages I to III; 4) completion of primary treatment within one year or longer; 5) aged 18 to 65 years; 6) acceptable literacy level (e.g. able to read, and write Chinese); 7) agree for checking of usage log of mobile app; 8) able to provide informed consent.