Research paper
Long-term Effectiveness of a Smartphone App Combined With a Smart Band on Weight Loss, Physical Activity, and Caloric Intake in a Population With Overweight and Obesity (Evident 3 Study): Randomized Controlled Trial
Study answer
What this study found
At 12 months, IG showed modest improvements versus CG in weight and several body composition indices: weight −0.26 kg (95% CI −1.21 to 0.70; P=.02), BMI −0.06 (95% CI −0.41 to 0.28; P=.01), waist-height ratio −0.25 (95% CI −0.94 to 0.44; P=.03), body adiposity index −0.33 (95% CI −0.77 to 0.11; P=.03), waist circumference −0.48 cm (95% CI −1.62 to 0.66; P=.04), hip circumference −0.69 cm (95% CI −1.62 to 0.25; P=.03). Both groups lowered daily caloric intake and increased adherence to the Mediterranean diet, with no between-group differences. IG increased light physical activity time by 32.6…
- Study & population
- Design: Multicenter, randomized, parallel-group controlled trial (Evident 3).
- Key limitation
- Dropout rate was 31.8% (207/650), potentially biasing results; dropouts were younger and heavier; data from the smart band did not allow daily use/adherence assessment; participants could not be blinded to group assignment; the 3-month exposure may be insufficient to identify lasting changes; subgroup analyses may be…
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Open PDFOriginal abstract
Background Multicomponent mobile health approaches can improve lifestyle intervention results, although little is known about their long-term effectiveness. Objective This study aims to evaluate the long-term effectiveness (12 months) of a multicompo…