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

Child Obesity Clinical Trial

Official title:

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

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT05261555
• Other study ID #: R62092/RE001
• Status: Completed
• Phase: N/A
• Start date: June 27, 2020
• Est. completion date: August 23, 2021

Study information

• Verified date: February 2022
• Source: University of Plymouth
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial 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.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 231
• Est. completion date: August 23, 2021
• Est. primary completion date: April 28, 2021
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years and older

Eligibility

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.

Related Conditions & MeSH terms

• Child Obesity
• Obesity
• Pediatric Obesity

Intervention

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

Locations

Country	Name	City	State
United Kingdom	University of Plymouth	Plymouth	Devon

Sponsors (2)

Lead Sponsor	Collaborator
University of Plymouth	Health Education England

Country where clinical trial is conducted

United Kingdom, 

References & Publications (1)

Meinert E, Rahman E, Potter A, Lawrence W, Van Velthoven M. Acceptability and Usability of the Mobile Digital Health App NoObesity for Families and Health Care Professionals: Protocol for a Feasibility Study. JMIR Res Protoc. 2020 Jul 22;9(7):e18068. doi: 10.2196/18068. — View Citation

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	User experiences and acceptability of the NoObesity app	Measured qualitatively through semi-structured interviews to examine what participants liked, disliked, and what they thought could be improved	6 months
Secondary	Usability of the NoObesity app	Measured using the System Usability Scale (minimum of 0, maximum of 100, higher scores indicate better usability)	6 months
Secondary	Qualitative user perspectives of usability	Qualitative feedback from semi-structured interviews	6 months
Secondary	Perceived impact of app on motivation	Qualitative feedback from semi-structured interviews	6 months
Secondary	Perceived impact of specific app features on motivation	Measured quantitatively on self-report final survey	6 months
Secondary	Perceived impact of app on health behaviours	Qualitative feedback from semi-structured interviews	6 months
Secondary	Self-reported impact of the app on health behaviours	Measured quantitatively on self-report final survey	6 months
Secondary	Perceived impact of app on self-efficacy	Measured quantitatively by assessing users' confidence in their ability to achieve goals in the app and in the final survey	6 months
Secondary	Engagement with the app	Measured using app use data (first and last logins) and self-reported engagement with the app	6 months
Secondary	Factors relating to adoption, implementation, and sustainability	Measured qualitatively in semi-structured interviews with participants and representatives from Health Education England	6 months