Table 5. Supplementary analysis using participants who attended < or ≥ 50% of the total treatment sessions prior to Follow-up 1 and 2.
| Group | |||
|---|---|---|---|
| Treatment arm, mean (s.d.) | Waiting list, mean (s.d.) | Adjustedmean differencea (95% CI), P | |
| Hamilton Rating Scale for Anxiety | |||
| Follow-up 1 | |||
| <50% sessions | 18.2 (6.91), n=3 | 16.3b (7.74), n=25 | −3.38 (−7.03, 0.27), 0.08 |
| ≥50% sessions | 14.5 (8.21), n=17 | ||
| Follow-up 2 | |||
| <50% sessions | 13.3b (8.57), n=22 | 13.0 (3.46), n=3 | |
| ≥50% sessions | 13.7 (5.64), n=20 | ||
a
Resulting from an ANCOVA including baseline score.
b
Mean calculated using subgroup sample size not split by session attendance.