Table 2.
Number of studies reporting psychometric and implementation qualities, across all studies (N = 66) and by studies reporting fidelity of delivery (N = 44) and engagement (N = 46)
| Psychometric qualities | Implementation qualities | ||||||
|---|---|---|---|---|---|---|---|
| Reported at least one quality | Validity | Reliability | Reported at least one quality | Practicality | Acceptability | Cost | |
| All studies; N (%) | 49 (74.2) | 41 (62) | 34 (52) | 17 (25.8) | 14 (21) | 6 (9) | 2 (3) |
| Fidelity of delivery; N (%) | 37 (84.1) | 31 (70.5) | 29 (65.9) | 12 (27.3) | 11 (25) | 5 (11.4) | 0 (0) |
| Engagement; N (%) | 21 (45.7) | 16 (34.8) | 10 (21.7) | 9 (19.6) | 6 (13.4) | 2 (4.3) | 2 (4.3) |