Table 1 Study eligibility criteria using the PICOS criteria

Population

• Adults ≥ 18 years old with BMI > 25 kg/m²

• Low SES

• Pregnancy or postpartum (within 3 months)

• Any SES other than low SES

Intervention

• Weight management intervention delivered using eHealth technology

• Bariatric surgery

• Medication-only interventions

• Face-to-face components

Comparator

• N/A^a

• N/A

Outcome

• Weight (kg), BMI (kg/m²) and/or percentage weight change

• A range of anthropometric, physiological and physical activity/fitness measures

• N/A

Study design

• Experimental studies

• Observational studies

• Case studies/series

• Reviews

• Secondary analysis