The impact of participant mental health on attendance and engagement in a trial of behavioural weight management programmes: secondary analysis of the WRAP randomised controlled trial
Open accessAbstract
Background: Low attendance and engagement in behavioural weight management trials are common. Mental health may play an important role, however previous research exploring this association is limited with inconsistent findings. We aimed to investigate whether mental health was associated with attendance and engagement in a trial of behavioural weight management programmes. Methods: This is a secondary data analysis of the Weight loss referrals for adults in primary care (WRAP) trial, which randomised 1267 adults with overweight or obesity to brief intervention, WW (formerly Weight Watchers) for 12-weeks, or WW for 52-weeks. We used regression analyses to assess the association of baseline mental health (depression and anxiety (by Hospital Anxiety and Depression Scale), quality of life (by EQ5D), satisfaction with life (by Satisfaction with Life Questionnaire)) with programme attendance and engagement in WW groups, and trial attendance in all randomised groups. Results: Every one unit of baseline depression score was associated with a 1% relative reduction in rate of WW session attendance in the first 12 weeks (Incidence rate ratio [IRR] 0.99; 95% CI 0.98, 0.999). Higher baseline anxiety was associated with 4% lower odds to report high engagement with WW digital tools (Odds ratio [OR] 0.96; 95% CI 0.94, 0.99). Every one unit of global quality of life was associated with 69% lower odds of reporting high engagement with the WW mobile app (OR 0.31; 95% CI 0.15, 0.64). Greater symptoms of depression and anxiety and lower satisfaction with life at baseline were consistently associated with lower odds of attending study visits at 3-, 12-, 24-, and 60-months. Conclusions: Participants were less likely to attend programme sessions, engage with resources, and attend study assessments when reporting poorer baseline mental health. Differences in attendance and engagement were small, however changes may still have a meaningful effect on programme effectiveness and trial completion. Future research should investigate strategies to maximise attendance and engagement in those reporting poorer mental health. Trial registration: The original trial (ISRCTN82857232) and five year follow up (ISRCTN64986150) were prospectively registered with Current Controlled Trials on 15/10/2012 and 01/02/2018.
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A reduction in depression symptoms was associated with higher participation rates in WW sessions.
“Jones et al. (46) who investigated whether participants’ mental health was associated with the rate of attendance and engagement with the behavioral weight management program (WW) and trial (WRAP) found that a reduction in depression symptoms was associated with higher participation rates in WW sessions.”
From Efficacy of eHealth interventions to reduce depression symptoms in individuals with obesity: a systematic review of randomized controlled trials (2024) · cites this paper as Jones et al. (46)
The Results (Association of mental health with programme attendance and engagement) report that higher depression scores at baseline were associated with lower WW session attendance during the first three months. The claim captures the direction of that association, but “a reduction in depression symptoms” implies a change in symptoms; the paper assessed baseline symptom levels, not whether symptoms fell. (LLM, conf=0.86)
Experimental — accuracy not yet measuredIndividuals with obesity who had fewer depression and anxiety symptoms at baseline were more likely to describe higher engagement with the program resources (WW e-tools and mobile phone app).
“individuals with obesity who had fewer depression and anxiety symptoms at baseline were more likely to describe higher engagement with the program resources (WW e-tools and mobile phone app).”
From Efficacy of eHealth interventions to reduce depression symptoms in individuals with obesity: a systematic review of randomized controlled trials (2024) · cites this paper as Jones et al. (46)
Higher attendance at all study visits up to 5 years follow-up was associated with fewer symptoms of depression.
“higher attendance at all study visits up to 5 years follow-up were associated with fewer symptoms of depression.”
From Efficacy of eHealth interventions to reduce depression symptoms in individuals with obesity: a systematic review of randomized controlled trials (2024) · cites this paper as Jones et al. (46)
Higher attendance rates correlated with lower levels of depression symptoms and higher life satisfaction scores.
“Jones et al. (46) concluded that higher attendance rates correlated with lower levels of depression symptoms and higher life satisfaction scores.”
From Efficacy of eHealth interventions to reduce depression symptoms in individuals with obesity: a systematic review of randomized controlled trials (2024) · cites this paper as Jones et al. (46)
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“The effect sizes of the associations between mental health and attendance and engagement were considered to be small, suggesting a small increase in risk of reporting lower attendance and engagement when reporting poor mental health at baseline [48].”
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Cited by
Sorted by citations
Kocol, D., Bäuerle, A., Schadendorf, T., Geiger, S., Krakowczyk, J. B., Skoda, E.-M., & Teufel, M. (2024) · Frontiers in Psychiatry · doi:10.3389/fpsyt.2024.1296433 · Cited by 7 · see citing works
- Authors
- Jones, R. A., Mueller, J., Sharp, S. J., Vincent, A., Duschinsky, R., Griffin, S. J., & Ahern, A. L.
- Affiliations
- University of Cambridge (GB)
- University College London (GB)
- Corresponding author
- Jones, Rebecca A.
- ORCID
- Venue
- International Journal of Behavioral Nutrition and Physical Activity
- Published
- 2021-11-07
- Volume
- 18
- Issue
- 1
- Pages
- 146-146
- ISSN
- 1479-5868 (ISSN-L)
- PMC
- PMC8574009
- OpenAlex
- W3213029313
- Cited by
- 26
- References
- 11
- Citations by year
- 2026: 5 · 2025: 2 · 2024: 7 · 2023: 4 · 2022: 8
- FWCI
- 7.41
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- International Journal of Behavioral Nutrition and Physical Activity (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, other-oa)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Apollo (University of Cambridge) (submittedVersion, cc-by)
- Apollo
- Apollo (cc-by)
- Funders
- Medical Research Council (Grant MC_UU_00006/6)
- National Institute for Health Research (RP-PG-0216-20010)
- National Prevention Research Initiative (MR/J000493)
- Topics
- Health Sciences › Health Professions › Pharmacy › Obesity and Health Practices
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
- Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
- Keywords
- depression, anxiety, weight management interventions, program attendance, participant engagement, trial retention, quality of life, life satisfaction, Weight Watchers, obesity, overweight, trial completion, digital health interventions, brief intervention, participant retention
- MeSH terms
- Adult, Cost-Benefit Analysis, Humans, Mental Health, Quality of Life, Surveys and Questionnaires, Weight Loss, Weight Reduction Programs
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