Participant characteristics at baseline
| Total | SitFIT-UPR | SitFIT-SED | ||||
| N | % | N | % | N | % | |
| Age (years) | ||||||
| 30–39 | 12 | 30 | 5 | 25.0 | 7 | 35.0 |
| 40–49 | 10 | 25 | 7 | 35.0 | 3 | 15.0 |
| 50–59 | 12 | 30 | 5 | 25.0 | 7 | 35.0 |
| 60–65 | 6 | 15 | 3 | 15.0 | 3 | 15.0 |
| Highest education | ||||||
| Secondary school | 3 | 7.5 | 3 | 15.0 | 0 | 0 |
| Technical qualification | 2 | 5.0 | 1 | 5.0 | 1 | 5.0 |
| Undergraduate degree | 6 | 15 | 3 | 15.0 | 3 | 15.0 |
| Master’s degree or higher | 29 | 72.5 | 13 | 65.0 | 16 | 80.0 |
| Employment | ||||||
| Employed | 38 | 95.0 | 20 | 100 | 18 | 90.0 |
| Retired | 1 | 2.5 | 0 | 0 | 1 | 5.0 |
| In education | 1 | 2.5 | 0 | 0 | 1 | 5.0 |
| Income (£) | ||||||
| 10 000–20 000 | 2 | 5.0 | 1 | 5.0 | 1 | 5.0 |
| 20 001–30 000 | 4 | 10.0 | 2 | 10.0 | 2 | 10.0 |
| 30 001–45 000 | 8 | 20.0 | 2 | 10.0 | 6 | 30.0 |
| ≥45 000 | 26 | 65.0 | 15 | 75.0 | 11 | 55.0 |
| Ethnic origin | ||||||
| White British | 34 | 85.0. | 18 | 90.0 | 16 | 80.0 |
| White other | 6 | 15 | 2 | 10.0 | 4 | 20.0 |
| Health status | ||||||
| Excellent | 10 | 25.0 | 4 | 20.0 | 6 | 30.0 |
| Very good | 16 | 40.0 | 8 | 40.0 | 8 | 40.0 |
| Good | 11 | 27.5 | 6 | 30.0 | 5 | 25.0 |
| Fair | 3 | 7.5 | 2 | 10.0 | 1 | 5.0 |
| Poor | 0 | 0 | 0 | 0 | 0 | 0 |
| BMI ≥27 kg/m2 | ||||||
| Yes | 14 | 35.0 | 7 | 35.0 | 7 | 35.0 |
| No | 26 | 65.0 | 13 | 65.0 | 13 | 65.0 |
SED, sedentary time; UPR, upright time.