| Intervention group | Comparison group |  |  | ||
---|---|---|---|---|---|---|
 | M (SD) T1 | M (SD) T2 | M (SD) T1 | M (SD) T2 | βtime (SE) | βinteraction (SE) |
Identity leadership of the formal leader | 6.03 (.84) | 6.39 (.78) | 6.07 (.83) | 6.15 (.81) | .23*** (.05) | .28** (.11) |
Group identification | 5.69 (.89) | 6.00 (.84) | 5.50 (1.02) | 5.66 (1.06) | .29*** (.06) | .15 (.12) |
Group cohesion | 5.07 (1.03) | 5.35 (.90) | 4.70 (1.22) | 4.61 (1.12) | .11 (.06) | .47*** (.12) |
Well-being | 3.88 (.53) | 3.97 (.49) | 3.87 (.49) | 3.93 (.45) | .08*** (.02) | .03 (.04) |
Walking activity | 774.50 (801.08) | 1296.11 (1011.27) | 1049.18 (975.44) | 1252.70 (1071.84) | 438.11*** (71.77) | 296.36* (143.64) |