Enying Gong|Shaira Baptista|Anthony Russell|Paul Scuffham|Michaela A Riddell|Jane Speight|Dominique Bird|Emily D. Williams|Mojtaba Lotfaliany|Brian Oldenburg
My Diabetes Coach, a Mobile App–Based Interactive Conversational Agent to Support Type 2 Diabetes Self-Management: Randomized Effectiveness-Implementation Trial
University of Melbourne|Diabetes Australia|University of Melbourne|University of Queensland|Princess Alexandra Hospital|Griffith University|UNSW Sydney|Diabetes Australia|Deakin University|University of Melbourne|University of Queensland|University of Surrey|University of Melbourne|University of Melbourne
background delivering selfmanagement support people type 2 diabetes mellitus essential reduce health system burden empower people skills knowledge confidence needed take active role managing health objective study aims evaluate adoption use effectiveness diabetes coach mdc program appbased interactive embodied conversational agent laura designed support diabetes selfmanagement home setting 12 months methods randomized controlled trial evaluated implementation effectiveness mdc program adults type 2 diabetes australia recruited randomized intervention arm mdc control arm usual care program use tracked 12 months coprimary outcomes included changes glycated hemoglobin hba1c healthrelated quality life hrqol data assessed baseline 6 12 months analyzed using linear mixedeffects regression models results total 187 adults type 2 diabetes mean 57 years sd 10 years 417 women recruited randomly allocated intervention n93 control n94 arms mdc program users 9293 participants completed 1942 chats laura averaging 243 min sd 212 per person 12 months compared baseline mean estimated hba1c decreased arms 12 months intervention 033 control 020 net differences two arms change hba1c 004 95 ci 045 036 p83 statistically significant 12 months hrqol utility scores improved intervention arm compared control arm betweenarm difference 004 95 ci 000 007 p04 conclusions mdc program successfully adopted used individuals type 2 diabetes significantly improved users hrqol findings suggest potential wider implementation technologyenabled conversationbased programs supporting diabetes selfmanagement future studies focus strategies maintain program usage hba1c improvement trial registration australia new zealand clinical trials registry actrn 12614001229662 httpsanzctrorgautrialregistrationtrialreviewaspxactrn12614001229662