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

University of Plymouth231 enrolled

Overview

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.

Study Type

INTERVENTIONAL

Allocation

Purpose

OTHER

Masking

NONE

Enrollment

231

Conditions

Child Obesity

Interventions

NoObesity appDEVICE

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

Eligibility

Sex: ALLMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

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.

Locations (1)

University of Plymouth

Plymouth, Devon, United Kingdom

Outcomes

Primary Outcomes

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

Time frame: 6 months

Secondary Outcomes

Usability of the NoObesity app

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

Time frame: 6 months

Qualitative user perspectives of usability

Qualitative feedback from semi-structured interviews

Time frame: 6 months

Perceived impact of app on motivation

Qualitative feedback from semi-structured interviews

Time frame: 6 months

Perceived impact of specific app features on motivation

Measured quantitatively on self-report final survey

Time frame: 6 months

Perceived impact of app on health behaviours

Qualitative feedback from semi-structured interviews

Time frame: 6 months

Self-reported impact of the app on health behaviours

Measured quantitatively on self-report final survey

Time frame: 6 months

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

Data from ClinicalTrials.gov

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