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Efficacy of a Multi-component m-Health Weight-loss Intervention in Overweight and Obese Adults: A Randomised Controlled Trial

Author

Listed:
  • Mitch J. Duncan

    (School of Medicine & Public Health, Faculty of Health and Medicine, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

  • Sasha Fenton

    (School of Medicine & Public Health, Faculty of Health and Medicine, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

  • Wendy J. Brown

    (School of Human Movement and Nutrition Sciences, The University of Queensland, St Lucia, QLD 4067, Australia)

  • Clare E. Collins

    (Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    School of Health Sciences, Faculty of Health and Medicine, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

  • Nicholas Glozier

    (Brain and Mind Centre, Central Clinical School, The University of Sydney, 94 Mallett St, Camperdown, NSW 2050, Australia)

  • Gregory S. Kolt

    (School of Health Sciences, Western Sydney University, Penrith, NSW 2751, Australia)

  • Elizabeth G. Holliday

    (School of Medicine & Public Health, Faculty of Health and Medicine, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

  • Philip J. Morgan

    (Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    School of Education, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

  • Beatrice Murawski

    (School of Medicine & Public Health, Faculty of Health and Medicine, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

  • Ronald C. Plotnikoff

    (Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    School of Education, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

  • Anna T. Rayward

    (Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    School of Education, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

  • Emmanuel Stamatakis

    (Charles Perkins Centre, Faculty of Medicine and Health, School of Health Sciences, Sydney 2006, Australia)

  • Corneel Vandelanotte

    (Physical Activity Research Group, Appleton Institute, School of Health, Medical and Applied Science, Central Queensland University, Rockhampton, QLD 4700, Australia)

  • Tracy L. Burrows

    (Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    School of Health Sciences, Faculty of Health and Medicine, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia)

Abstract

Background: This study compared the efficacy of two multi-component m-health interventions with a wait-list control group on body weight (primary outcome), and secondary outcomes of cardiovascular risk factors, lifestyle behaviours, and mental health. Methods: Three-arm randomised controlled trial (Enhanced: physical activity, diet, sleep, Traditional: physical activity, diet, Control) with assessments conducted at baseline, 6 and 12 months. Participants ( n = 116) were overweight or obese adults aged 19–65 (M = 44.5 [SD = 10.5]). The 6-month intervention was delivered via a smartphone app providing educational materials, goal-setting, self-monitoring and feedback, and also included one face-to-face dietary consultation, a Fitbit and scales. The trial was prospectively registered and conducted between May 2017 and September 2018. Group differences on primary and secondary outcomes were examined between the Pooled Intervention groups (Pooled Intervention = Enhanced and Traditional) and Control groups, and then between Enhanced and Traditional groups. Results: Nineteen participants (16.4%) formally withdrew from the trial. Compared with the Control group, average body weight of the Pooled Intervention group did not differ at 6 (between-group difference = −0.92, (95% CI −3.33, 1.48)) or 12 months (0.00, (95% CI −2.62, 2.62)). Compared with the Control group, the Pooled Intervention group significantly increased resistance training (OR = 7.83, (95% CI 1.08, 56.63)) and reduced energy intake at 6 months (−1037.03, (−2028.84, −45.22)), and improved insomnia symptoms at 12 months (−2.59, (−4.79, −0.39)). Compared with the Traditional group, the Enhanced group had increased waist circumferences (2.69, (0.20, 5.18)) and sedentary time at 6 months (105.66, (30.83, 180.48)), and improved bed time variability at 12 months (−1.08, (−1.86, −0.29)). No other significant differences were observed between groups. Conclusions: Relative to Controls, the Pooled Intervention groups did not differ on body weight but improved resistance training, and reduced energy intake and insomnia symptom severity. No additional weight loss was apparent when targeting improvements in physical activity, diet and sleep in combination compared with physical activity and diet.

Suggested Citation

  • Mitch J. Duncan & Sasha Fenton & Wendy J. Brown & Clare E. Collins & Nicholas Glozier & Gregory S. Kolt & Elizabeth G. Holliday & Philip J. Morgan & Beatrice Murawski & Ronald C. Plotnikoff & Anna T. , 2020. "Efficacy of a Multi-component m-Health Weight-loss Intervention in Overweight and Obese Adults: A Randomised Controlled Trial," IJERPH, MDPI, vol. 17(17), pages 1-21, August.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:17:p:6200-:d:404528
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    References listed on IDEAS

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    1. Stina Oftedal & Corneel Vandelanotte & Mitch J. Duncan, 2019. "Patterns of Diet, Physical Activity, Sitting and Sleep Are Associated with Socio-Demographic, Behavioural, and Health-Risk Indicators in Adults," IJERPH, MDPI, vol. 16(13), pages 1-14, July.
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    Cited by:

    1. Min Yang & Yanping Duan & Wei Liang & D. L. I. H. K. Peiris & Julien Steven Baker, 2023. "Effects of Face-to-Face and eHealth Blended Interventions on Physical Activity, Diet, and Weight-Related Outcomes among Adults: A Systematic Review and Meta-Analysis," IJERPH, MDPI, vol. 20(2), pages 1-23, January.

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