Process Variable | n | Mean (sd) / median (LQ-UQ) | 95% CI | Range |
---|---|---|---|---|
Compliance (out of 14 compulsory sessions) | ||||
 Rate of intervention session attendance (%) – median (LQ-UQ) 100% = 14 sessions | 47 | 28.6 (0.0–50.0) | 7.1–35.7 | 0–92.9 |
  Cycle 1 | 15 | 35.7 (0.0–50.0) | 7.6–63.8 | 0–92.9 |
  Cycle 2 | 25 | 14.3 (0.0–35.7) | −2.7-31.3 | 0–92.9 |
  Cycle 3 | 7 | 64.3 (42.9–78.6) | 44.0–84.5 | 0–85.7 |
California Psychotherapy Alliance Scales – Patient Version Short Form (CALPAS-P SF) at 16 weeks follow-up | ||||
 CALPAS-P SF Score – mean (sd) Range 1–7 | 17 | 5.9 (0.9) | 5.4–6.4 | 3–7 |
 Understanding Rating of the CALPAS-P SF – median (LQ-UQ) | 17 | 3.0 (3.0–3.0) | 3.0–3.0 | 1–3 |
 Acceptability Rating of the CALPAS-P SF – median (LQ-UQ) | 17 | 3.0 (3.0–3.0) | 3.0–3.0 | 2–3 |
Working Alliance Inventory – Short Revised (WAI-SR) at 16 weeks follow-up | ||||
 WAI-SR Total Score – mean (sd) Range 12–60 | 16 | 48.8 (8.8) | 44.1–53.5 | 34–60 |
 Understanding rating of the WAI-SR – median (LQ-UQ) | 17 | 3.0 (3.0–3.0) | 3.0–3.0 | 1–3 |
 Acceptability rating of the WAI-SR – median (LQ-UQ) | 17 | 3.0 (3.0–3.0) | 3.0–3.0 | 2–3 |
Time between randomisation and intervention | ||||
 Time between randomisation and first individual intervention session (preparation session A), for those attending session A only (days) – mean (sd) | 24 | 35.4 (25.0) | 24.8–45.9 | 0–82 |
  Cycle 1 | 7 | 46.7 (21.1) | 27.2–66.2 | 9–73 |
  Cycle 2 | 12 | 36.3 (27.1) | 19.1–53.5 | 6–82 |
  Cycle 3 | 5 | 17.2 (16.3) | −3.0-37.4 | 0–43 |
 Time between randomisation and group intervention starting (days) – mean (sd) | 47 | 42.3 (23.2) | 35.5–49.1 | 2–89 |
  Cycle 1 | 15 | 46.6 (21.1) | 34.9–58.3 | 2–74 |
  Cycle 2 | 25 | 40.6 (27.1) | 29.4–51.8 | 6–89 |
  Cycle 3 | 7 | 39.1 (8.9) | 30.9–47.4 | 29–51 |