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Completed

NCT Number: NCT05261555

Mixed Methods Feasibility Study of an App for Childhood Obesity Prevention and Management

This evaluation evaluated Health Education England's NoObesity digital health app's usability and acceptability to undertake activities improving families' diet, physical activity and weight. The purpose of the study is to evaluate the app's influence on self-efficacy and goal setting and to determine what can be learned to improve its design for future studies, should there be evidence of adoption and sustainability.

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Key information

Conditions

Child Obesity Body Weight Nutrition Disorders Nutritional and Metabolic Diseases Obesity Overnutrition Overweight Pathological Conditions, Signs and Symptoms Pediatric Obesity Signs and Symptoms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of Plymouth

Plymouth, Devon, PL4 6DN, United Kingdom

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • adult users (over 18 years)
  • fluent in English
  • willing to use the app
  • parents or legal guardians of a child or children OR health care professionals linked to the parent or guardian
  • owner of a smartphone to access the app, with 4G data access

Exclusion criteria

  • individuals who are known to the researchers or staff at Health Education England
  • deaf or hearing impairment
  • prior use of the app before study commencement
  • refusal to give informed consent
  • children, vulnerable young people, or vulnerable adults.

Treatment and study plan

NoObesity app

Device

The NoObesity system consists of two linked apps - the NoObesity Family app and the NoObesity Professional app.

Primary outcomes

  1. User experiences and acceptability of the NoObesity app

    Time frame: 6 months

    Measured qualitatively through semi-structured interviews to examine what participants liked, disliked, and what they thought could be improved

Secondary outcomes

  1. Usability of the NoObesity app

    Time frame: 6 months

    Measured using the System Usability Scale (minimum of 0, maximum of 100, higher scores indicate better usability)

  2. Qualitative user perspectives of usability

    Time frame: 6 months

    Qualitative feedback from semi-structured interviews

  3. Perceived impact of app on motivation

    Time frame: 6 months

    Qualitative feedback from semi-structured interviews

  4. Perceived impact of specific app features on motivation

    Time frame: 6 months

    Measured quantitatively on self-report final survey

  5. Perceived impact of app on health behaviours

    Time frame: 6 months

    Qualitative feedback from semi-structured interviews

  6. Self-reported impact of the app on health behaviours

    Time frame: 6 months

    Measured quantitatively on self-report final survey

  7. Perceived impact of app on self-efficacy

    Time frame: 6 months

    Measured quantitatively by assessing users' confidence in their ability to achieve goals in the app and in the final survey

  8. Engagement with the app

    Time frame: 6 months

    Measured using app use data (first and last logins) and self-reported engagement with the app

  9. Factors relating to adoption, implementation, and sustainability

    Time frame: 6 months

    Measured qualitatively in semi-structured interviews with participants and representatives from Health Education England

Sponsors and collaborators

Lead sponsor

University of Plymouth

Other

Collaborators

  • Health Education England, Wessex

Registry information

Official study title

Acceptability and Usability of a Mobile Health App for Family Obesity Prevention and Management: A Mixed-methods Feasibility Study

Important dates

Study start
2020
Primary completion
2021
Study completion
2021
First posted
Mar 2, 2022
Registry last updated
Mar 2, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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