| Total sample | Intervention group | Control group | |||
---|---|---|---|---|---|---|
M (SD) | n (%) obs. | M (SD) | n (%) obs. | M (SD) | n (%) obs. | |
t0 | 3.51 (1.78) | 1646 (100%) | 3.49 (1.78) | 815 (100%) | 3.52 (1.79) | 831 (100%) |
t1 | 3.43 (1.87) | 1407 (85%) | 3.43 (1.86) | 691 (85%) | 3.43 (1.89) | 716 (86%) |
t2 | 3.20 (1.83) | 1335 (81%) | 3.20 (1.79) | 648 (80%) | 3.19 (1.87) | 687 (83%) |
t3 | 3.19 (1.90) | 1.314 (80%) | 3.17 (1.91) | 638 (78%) | 3.20 (1.90) | 676 (81%) |
t4 | 3.05 (2.02) | 1074 (65%) | 3.07 (1.98) | 519 (64%) | 3.04 (2.06) | 555 (67%) |