Table 1 Demographic and clinical characteristics of the study sample at baseline
TCBT N = 186 | WCBT N = 185 | TAU N = 187 | All N = 558 | ||
|---|---|---|---|---|---|
Age (years) | Mean (SD) | 43·4 (12·5) | 43·8 (13·6) | 42·0 (13·5) | 43·1 (13·2) |
Sex | Female (%) | 139 (74·7) | 145 (78·4) | 139 (74·3) | 423 (75·8) |
Ethnicity (%) | White | 162 (87·1) | 171 (92·4) | 174 (93·0) | 507 (90·9) |
Deprivation score (IMD 2010) | Mean (SD) | 16·7 (12·0) | 17·3 (12·3) | 17·2 (11·8) | 17·1 (12·0) |
Seen a GI consultant for IBS | Count (%) | 20 (10·7%) | 15 (8·1%) | 22 (11·8%) | 57 (10·2%) |
Years of symptoms before diagnosis | N/median | 186/3·29 | 185/3·0 | 187/3·0 | 558/ 3·0 |
Duration of IBS (years) | N/median range | 185/6·5 1·0–65·0 | 185/8·6 0·7–45·4 | 187/6·3 0·3–49·9 | 557/7·4 0·3–64·6 |
HADS anxiety score | Mean (SD) case* N/(%) | 10·6 (4·3) 89/186 (47·9%) | 11·1 (4·3) 98/185 (53·0%) | 10·5 (4·0) 96/187 (51·3%) | 10·7 (4·2) 283/558 (50·7%) |
HADS depression Score | Mean (SD) case* N/(%) | 5·5 (3·6) 47/186 (25·3%) | 5·9 (3·8) 60/185 (32·4%) | 5·6 (3·5) 50/187 (26·7%) | 5·7 (3·7) 157/558 (28·1%) |
IBS subtype IBS Diarrhoea | No. (%) | 60 (32.3) | 60 (32.4) | 58 (31.0) | 178 (31.9) |
IBS constipation | No. (%) | 26 (14.0) | 23 (12.4) | 27 (14.5) | 76 (13.6) |
IBS alternating | No. (%) | 93 (50.3) | 98 (53.0) | 96 (51.3) | 287 (51.5) |
IBS unclassified | No. (%) | 6 (3.2) | 4 (2.2) | 6 (3.2) | 16 (2.9) |
Unknown | No. (%) | 60 (32.3) | 60 (32.4) | 58 (31.0) | 178 (31.9) |