Individual Study / Carter et al.; J Med Internet Res. 2013

Adherence to a Smartphone Application for Weight Loss Compared to Website and Paper Diary: Pilot Randomized Controlled Trial

Adherence to a Smartphone Application for Weight Loss Compared to Website and Paper Diary: Pilot Randomized Controlled Trial

Initiatives -
The aim of this pilot study was to collect acceptability and feasibility outcomes of a self-monitoring weight management intervention delivered by a smartphone app, compared to a website and paper diary. Note: All published information has been collected from the article referenced in the Marker Paper box below. Therefore, there may be variations with more advanced versions of the study.
Start Year
2011
End Year
2012
Funding
The study was funded by a National Prevention Research Initiative grant (grant number G0802108). MC was involved with the design and running of the study, data collection, analysis and interpretation of the data, and wrote the initial draft of the manuscript. JC and VB assisted in designing the study, interpretation of the data, supervision of the project, and preparation of the manuscript.

Design

Study design
Clinical trial cohort

Marker Paper

Carter MC, Burley VJ, Nykjaer C, Cade JE. Adherence to a smartphone application for weight loss compared to website and paper diary: pilot randomized controlled trial. J Med Internet Res. 2013;15(4):e32. Published 2013 Apr 15. doi:10.2196/jmir.2283

PUBMED 23587561

Number of participants

Number of participants
128
Number of participants with biosamples

Access

Availability of data and biosamples

Data
Biosamples
Other

Timeline

Population

Participants were recruited from large employers within Leeds, United Kingdom, by advertising through email, intranet, posters, and newsletters.
Selection Criteria
Minimum age
18
Maximum age
65
Newborns
Twins
Countries
  • United Kingdom
Ethnic Origin
Health Status
Other criteria
The eligibility criteria was a body mass index (BMI) of ≥27 kg/m2; aged 18 to 65 years; willing to commit the necessary time and effort to the study; employed by a large employer in Leeds; not pregnant, breast-feeding, or planning a pregnancy; not taking antiobesity medication or medication/insulin for diabetes; never had surgery for weight loss; not taking the antidepressant sertraline (due to associations with weight gain); able to read and write in English; able to access the Internet; and willing to be randomized to 1 of 3 groups.

Recruitment

Sources of recruitment
  • General population

Number of participants

Number of participants
128
Number of participants with biosamples
Data Collection Event
A sample of 128 overweight volunteers were randomized to receive a weight management intervention delivered by smartphone app, website, or paper diary. The smartphone app intervention, My Meal Mate (MMM), was developed by the research team using an evidence-based behavioral approach.
Start Date
2011-03
End Date
2011-05
Data sources
  • Mobile data collection
    • Mobile phone
    • Smartphone
    • Smartphone apps