Table 1 Average fidelity index scores and duration of BCI sessions, by study sites
Site ID | Fidelity index scores | Duration of sessions in minutes | |||||||
|---|---|---|---|---|---|---|---|---|---|
Mean (SDa) | Mean (SD) | ||||||||
Nb | Adherence Index | Quality Index | N | Pre-quit | N | Quit | N | Post-quit | |
1 | 5 | 23.8 (8.4) | 11.6 (5.4) | 5 | 23.3 (19.1) | 1 | 12.0 (.) | 2 | 11.4 (2.8) |
2 | 5 | 11.2 (2.1) | 1.4 (0.9) | 5 | 24.1 (4.1) | 0 | . | 0 | . |
3 | 2 | 29.0 (16.9) | 10.0 (5.7) | 2 | 41.4 (18.4) | 1 | 35.2 (.) | 1 | 21.4 (.) |
4 | 4 | 14.8 (3.2) | 6.8 (3.8) | 4 | 22.0 (4.7) | 1 | 5.6 (.) | 2 | 7.9 (5.1) |
5 | 16 | 42.6 (1.9) | 14 (0) | 16 | 30.8 (7.6) | 16 | 8.7 (2.9) | 15 | 3.6 (1.5) |