Table 1 Baseline characteristics by trial arm
Baseline characteristics | Base case (n = 267) | Complete case (n = 190) | ||
|---|---|---|---|---|
OST (N = 133) | CBT (N = 134) | OST (N = 94) | CBT (N = 96) | |
Gender, n (%) | ||||
 Male | 47 (35.3%) | 53 (39.6%) | 34 (36.2%) | 40 (41.7%) |
Age (years), n (%) | ||||
 7–11 | 45 (33.8%) | 39 (29.1%) | 35 (37.2%) | 30 (31.3%) |
 11–16 | 88 (66.2%) | 95 (70.9%) | 59 (62.8%) | 66 (68.7%) |
 Mean (sd) | 12.0 (2.6) | 11.9 (2.6) | 11.7 (2.6) | 11.7 (2.6) |
Ethnicity | ||||
 British | 126 (94.7%) | 129 (96.3%) | 89 (94.7%) | 94 (98.0%) |
 Non-British | 7 (5.3%) | 4 (3.0%) | 5 (5.3%) | 1 (1.0%) |
 Prefer not to say | - | 1 (0.7%) | - | 1 (1.0%) |
Phobia type | ||||
 Animals | 38 (28.5%) | 41 (30.6%) | 29 (30.9%) | 34 (35.4%) |
 Blood-injection or injury | 36 (27.1%) | 32 (23.9%) | 21 (22.3%) | 23 (24.0%) |
 Vomit | 36 (27.1%) | 41 (30.6%) | 22 (23.4%) | 25 (26.0%) |
 Other | 23 (17.3%) | 20 (14.9%) | 22 (23.4%) | 14 (14.6%) |
ADIS CSR | ||||
 Mean (sd) | 7.6 (0.9) | 7.5 (0.9) | 7.6 (0.9) | 7.5 (0.9) |
EQ-5D-Y | ||||
 Mean (sd) | 0.84 (0.12) | 0.85 (0.12) | 0.85 (0.11) | 0.85 (0.13) |
Site, n (%) | ||||
 North west England | 70 (52.6%) | 71 (53.0%) | 58 (61.7%) | 56 (58.3%) |
 East of England | 35 (26.3%) | 21 (15.7%) | 17 (18.0%) | 16 (16.7%) |
 Yorkshire and Humber | 18 (13.5%) | 30 (22.4%) | 13 (13.8%) | 18 (18.7%) |
 South west England | 7 (5.3%) | 6 (4.5%) | 4 (4.3%) | 4 (4.2%) |
 West Midlands | 2 (1.5%) | 5 (3.7%) | 1 (1.1%) | 2 (2.1%) |
 North West England | 1 (0.8%) | 1 (0.7%) | 1 (1.1%) | - |
Baseline costs (in 6-month period prior to randomisation, NHS/PSS perspective) | ||||
 Mean (sd) | 596.48 (1039.42) | 524.12 (1142.00) | 590.80 (743.88) | 567.44 (1311.69) |