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Long-term follow-up of a randomized controlled trial of a text-message diabetes self-management support programme, SMS4BG
journal contribution
posted on 2020-02-01, 00:00 authored by R Dobson, R Whittaker, Y Jiang, C McNamara, M Shepherd, Ralph MaddisonRalph Maddison, R Cutfield, M Khanolkar, R Murphy© 2019 The Authors. Diabetic Medicine published by John Wiley & Sons Ltd on behalf of Diabetes UK. Aims: To determine the long-term effectiveness of an individually tailored text-message diabetes self-management support programme, SMS4BG, on glycaemic control at 2 years in adults with diabetes with an HbA1c concentration > 64 mmol/mol (8%). Methods: We conducted a 2-year follow-up of a two-arm, parallel, randomized controlled trial across health services in New Zealand. Participants were English-speaking adults with type 1 or 2 diabetes and with an HbA1c >64 mmol/mol (8%). In the main trial participants randomized to the intervention group (N=183) received up to 9 months of an automated tailored text-message programme in addition to usual care. Participants in the control group (N=183) received usual care for 9 months. In this follow-up study, 293 (80%) of 366 randomized participants in the main trial were included. The primary outcome measure was change in glycaemic control (HbA1c) from baseline to 2 years. Mixed-effect models were used to compare the group differences at 3, 6, 9 and 24 months, adjusted for baseline HbA1c and stratification factors (health district category, diabetes type and ethnicity). Results: The decrease in HbA1c at 2 years was significantly greater in the intervention group [mean (sd) –10 (18) mmol/mol or –0.9 (1.6)%] compared with the control group [mean (sd) –1 (20) mmol/mol or –0.1 (1.8)%], with an adjusted mean difference of –9 mmol/mol (95% CI –14, –5) or –0.8% (95% CI –1.2, –0.4; P<0.0001). Conclusions: Improvements in glycaemic control resulting from a text-message diabetes self-management support programme were sustained at 2 years after randomization. These findings support the implementation of SMS4BG in current practice.
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Journal
Diabetic MedicineVolume
37Pagination
311-318Location
London, Eng.Publisher DOI
Open access
- Yes
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ISSN
0742-3071eISSN
1464-5491Language
engPublication classification
C1 Refereed article in a scholarly journalIssue
2Publisher
WileyUsage metrics
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