Table 1 Table of endpoints/outcomes
Data collection | a0 M | 12 M | b24 M |
|---|---|---|---|
Socio-demographic: IMD, co-morbidities (physical and mental health), self-report disability, ethnicity, age, education, employment, household size; relationship status | ✓ | ||
Perceived wealth, financial strain | ✓ | ✓ | ✓ |
Anthropometry—height (for BMI) | ✓ | ||
Anthropometry—weight | ✓ | ✓ | ✓ |
Participant satisfaction | ✓ | ✓ | |
Health behaviours—physical activity, smoking status, alcohol frequency | ✓ | ✓ | |
Weight management strategies used over last 12 months | ✓ | ✓ | ✓ |
Confidence in ability to lose weight and maintain weight loss | ✓ | ✓ | ✓ |
PHQ-4 | ✓ | ✓ | |
EQ-5D-5L – Anxiety and Depression Dimension (AD) | ✓ | ✓ | |
Warwick-Edinburgh Mental Well-being Scale (WEMWBS) | ✓ | ✓ | |
Weight Self-Stigma Questionnaire (WSSQ) | ✓ | ✓ | |
Health Economic Outcomes: EQ-5D-5L, NHS health care use | ✓ | ✓ | ✓ |
Qualitative interview data (experiences, behaviours) | ✓ | ✓ | |
Process outcomes: observed weight meets target and incentives secured/lost at 3 M and 6 M; number of SMS texts delivered; SMS texts responses, web page use over 12 M | ✓ | ✓ | |
Unintended consequences or adverse events | ✓ | ✓ |