Online help yields only low success rates

The review of 16 randomised, controlled trials in more than 3500 patients showed interventions delivered via the internet improved HbA1c by 2.3 mmol/mol (0.2%), and those delivered via mobile phone by 5.5 mmol/mol (0.5%).

“There is no evidence to show that current programs can help with weight loss, depression or improving health-related quality of life, but they do appear safe,” the authors wrote.

Mobiles may be more effective due to convenience or the intensity of the interventions.

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