This is a real-world study. The purpose of this research is to explore whether a new National Institute for Health and Care Excellence (NICE)-approved digital weight-management model of care can improve health service delivery and address the Quintuple Aim of Healthcare (health outcomes, cost, patient and clinician experience, and health inequalities), for individuals living with obesity accessing National Health Service (NHS) Tier 3 weight-management services.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Enrollment
580
Digital Weight Management Programme
Guy' & St Thomas' NHS Foundation Trust
London, Greater London, United Kingdom
Percentage of weight change at 12 months
Time frame: Baseline and 12 months
Quality of Life as a measure to determine cost-effectiveness
Quality of Life will be measured using the European Quality of Life 5 Dimensions 5 Level (EQ-5D-5L) questionnaire
Time frame: Baseline and 12 months
Feasibility of implementing the intervention into Tier 3 weight management pathways
This will be assessed through qualitative interviews with participants in the Sub-study.
Time frame: Once
Acceptability of implementing the intervention into Tier 3 weight management pathways
This will be assessed through qualitative interviews with participants in the Sub-study.
Time frame: Once
Uptake of the intervention
Time frame: 12 months
Retention in the intervention programme
Time frame: From enrolment until the end of the intervention at 12 months /withdrawal/dropout
Success in the intervention programme
This will be assessed as clinically significant percentage in weight change of greater than or equal to 5 percent.
Time frame: From enrolment until the end of the intervention at 12 months
Economic measurements - Quality of Life Years
Quality-Adjusted Life Years (QALYs) associated with weight loss, calculated from the scores on the European Quality of Life 5 Dimensions Level questionnaire (EQ-5D-5L)
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Time frame: Baseline, 6 months, and 12 months
Economics measurements - Resource Use
Resource use covering primary and secondary care services within the National Health Service (NHS)
Time frame: From enrolment to the end of the intervention at 12 months
Economics measurements - Unit costs
Unit costs obtained from standard sources such as NHS reference costs and Personal Social Services Research Unit's unit costs for health and social care.
Time frame: From enrolment to end of intervention at 12 months
Economics measurements - Costs between intervention group and standard care group
Costs between intervention group and standard care group with be compared
Time frame: From enrolment to end of intervention at 12 months
Patient reported outcomes - alcohol use
This will be assessed using a self-reported questionnaire - Alcohol Use Disorders Identification Test (Audit) / scale ranges 0 - 40 / 0=low risk, 20 or more = possible alcohol dependence
Time frame: At Baseline, 6 months, and 12 months
Patient reported outcomes - patient health
This will be assessed using the self-reported Patient Health Questionnaire-4 (PH-4) / Score range 0 - 12) / Score of 3 or higher further assessment for depression \&/or anxiety recommended
Time frame: Baseline, 6 months, 12 months
Patient reported outcomes - eating pattern
This will be assessed using the self-reported Three-Factor Eating Questionnaire / Score range 1 - 4 for each question / scores are summated into scale scores for cognitive restraint, uncontrolled eating, and emotional eating.
Time frame: Baseline, 6 months, 12 months
Patient reported outcomes - binge eating
This will be assessed using the self-reported Binge Eating Scale (BES) questionnaire / Score range 0 - 46 / 17 or lower = low binge-eating, 18-26 = mild to moderate binge-eating, 27 or higher = severe binge-eating
Time frame: Baseline
Patient reported outcomes - physical activity
This will be assess using the self-reported General Practice Physical Activity Questionnaires / Scoring is: Inactive, Moderately inactive, Moderately active, or Active
Time frame: Baseline if required per clinician assessment
Sub-group analyses- Use of glucagon-like peptide (GLP-1) agonists
Participant use (never/commenced during study/used throughout) of GLP-1 agonsits will be assessed
Time frame: From enrolment until the end of intervention at 12 months
Sub-group analyses - Adherence
Participant adherence to the intervention will be assessed
Time frame: From enrolment until drop-out, withdrawal, or end of intervention at 12 months
Sub-group analyses - Comorbidities
Obesity-related medical comorbidities will be assessed
Time frame: From enrolment until end of intervention at 12 months
Sub-group analyses - Social demographics
Participant social demographics such as sex, ethnicity, age, and Index of Multiple Deprivation (IMD) will be assessed.
Time frame: At enrolment
Clinical measures - height
Height in metres will be assessed as part of the clinical measures analysis
Time frame: Baseline
Clinical measures - blood pressure
Self-reported blood pressure will be assessed as part of the clinical measures analysis
Time frame: Baseline, 6 months, and 12 months
Clinical measures - Body Mass Index
Body Mass Index (BMI) will be assessed from self-reported weight in kilograms divided by height in metres squared, as part of the clinical measures analysis.
Time frame: Baseline, 6 months, and 12 months
Clinical Measures - waist circumference
Self-reported waist circumference in centimetres will assessed as part of the clinical measures analysis
Time frame: Baseline, 6 months, 12 months