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Testing a Smartphone App (Young with Diabetes) to Improve Self-Management of Diabetes Over 12 Months: Randomized Controlled Trial

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Pernille Castensøe-Seidenfaden, Gitte Reventlov Husted, Andreas Kryger Jensen, Eva Hommel, Birthe Olsen, Ulrik Pedersen-Bjergaard, Finn Kensing, Grete Teilmann

BACKGROUND: Young people often struggle to self-manage type 1 diabetes during the transition from childhood to adulthood. Mobile health (mHealth) apps may have the potential to support self-management, but evidence is limited and randomized controlled trials are needed.

OBJECTIVE: We assessed whether the mHealth app "Young with Diabetes" improved young people's self-management measured by glycated hemoglobin (HbA1c) and three self-reported psychometric scales.

METHODS: Young people (14-22 years) with inadequate glycemic control and their parents were enrolled in a randomized controlled trial and assigned either to Young with Diabetes and usual care (Young with Diabetes group) or to usual care alone (control). Young with Diabetes use was monitored; functions included a chat room, contact the health care provider, reminders, tips, information about the diabetes department and type 1 diabetes topics, carbohydrate counting, and a parents' section. Outcomes included HbA1c and three self-reported psychometric scales: Perceived Competence in Diabetes Scale; Health Care Climate Questionnaire; and Problem Areas In Diabetes care survey. Data were collected at baseline and at 2, 7, and 12 months.

RESULTS: A total of 151 young people were randomized (Young with Diabetes group=76, control=75) and 49 parents agreed to participate. At 12 months, HbA1c was significantly higher (4.1 mmol/mol; 0.4 %) in the Young with Diabetes group, compared to the control group (P=.04); this finding did not occur when comparing app users (Young with Diabetes use ≥5 days) with nonusers. Young people used Young with Diabetes on a mean of 10.5 days. They spent the most time chatting about alcohol and searching for information about sex. Most young people and half of the parents reported that Young with Diabetes helped them. More than 80% would recommend Young with Diabetes to peers.

CONCLUSIONS: Young with Diabetes did not improve HbA1c, but it may be a useful complement to self-management. Qualitative evaluation is needed to explore benefits and shortcomings of Young with Diabetes. Health care providers should address young peoples' knowledge about sensitive topics, provide them with peer support, and be aware of parents' need for information about how to support.

TRIAL REGISTRATION: NCT02632383; (Archived by WebCite at

Original languageEnglish
Article numbere141
JournalJMIR Mhealth Uhealth
Issue number6
Number of pages14
Publication statusPublished - 26 Jun 2018

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ID: 199084650