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

Not Applicable

Completed

• Conditions: Child Obesity
• Interventions: Device: NoObesity app

• Registration Number: NCT05261555
• Lead Sponsor: University of Plymouth

Brief Summary

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.

Detailed Description

Not available

Study Timeline

• Study Start: 2020-06-27
• Primary Completion: 2021-04-28
• Study Completion: 2021-08-23
• Status Verified: 2022-02
• Study First Submitted: 2022-02-08
• Study First Submitted QC: 2022-02-18
• Last Update Submitted: 2022-02-18
• Study First Posted: 2022-03-02
• Last Update Posted: 2022-03-02

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 231

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.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
Using the NoObesity app	NoObesity app	A mobile digital app ("NoObesity") that enables families to set goals, track progress, play games, and access additional information and healthcare professionals to access training and monitor patients' progress.

Primary Outcome Measures

Name	Time	Method
User experiences and acceptability of the NoObesity app	6 months	Measured qualitatively through semi-structured interviews to examine what participants liked, disliked, and what they thought could be improved

Secondary Outcome Measures

Name	Time	Method
Qualitative user perspectives of usability	6 months	Qualitative feedback from semi-structured interviews
Perceived impact of specific app features on motivation	6 months	Measured quantitatively on self-report final survey
Usability of the NoObesity app	6 months	Measured using the System Usability Scale (minimum of 0, maximum of 100, higher scores indicate better usability)
Engagement with the app	6 months	Measured using app use data (first and last logins) and self-reported engagement with the app
Perceived impact of app on health behaviours	6 months	Qualitative feedback from semi-structured interviews
Perceived impact of app on motivation	6 months	Qualitative feedback from semi-structured interviews
Self-reported impact of the app on health behaviours	6 months	Measured quantitatively on self-report final survey
Perceived impact of app on self-efficacy	6 months	Measured quantitatively by assessing users' confidence in their ability to achieve goals in the app and in the final survey
Factors relating to adoption, implementation, and sustainability	6 months	Measured qualitatively in semi-structured interviews with participants and representatives from Health Education England

Trial Locations

Locations (1)

University of Plymouth; 🇬🇧 Plymouth, Devon, United Kingdom