Participant characteristics (n=26) involved in interviews
| Characteristic | Category | |
| Gender (n) | Female | 20 |
| Male | 6 | |
| Health condition (n) | Weight loss only | 5 |
| Weight loss plus other morbidities but not low mood | 4 | |
| Weight loss and low mood only | 7 | |
| Low mood only | 2 | |
| Low mood and other morbidity but not weight loss | 1 | |
| Weight loss plus low mood and other morbidities | 5 | |
| No low mood, not weight loss, other physiological conditions | 2 | |
| Age range (years) | Female | 28–69 |
| Male | 39–72 | |
| Participants at each research site (n) | Plymouth | 11 |
| Birmingham | 9 | |
| Glasgow | 6 | |
| Access to IT facilities (n) | Home/Work access/Mobile | 22 |
| Mobile not home access | 3 | |
| Public only, not mobile access | 1 |
IT, information technology.