Table 3 Baseline self-reported psychological and health characteristics of participants
Psychological and other health measures (Denominatora) | n = 609 |
|---|---|
HADs anxiety subscale (607) | Â |
 Normal | 316 (52.1) |
 Mild/possible case | 120 (19.8) |
 Probable/moderate/severe case | 171 (28.2) |
HADs depression subscale (609) | Â |
 Normal | 392 (64.4) |
 Mild/possible case | 119 (19.5) |
 Probable/moderate/severe case | 98 (16.1) |
Pain self-efficacy score (593), mean (SD) | 34.1 (14.6) |
Illness perceptions questionnaire-short form (IPQ-R) | Â |
 Timeline-‘back/leg pain will last for a long time (agree or strongly agree) (609) | 345 (56.7) |
 Personal control-‘what I do can determine whether back/leg pain gets better (agree or strongly agree) (605) | 367 (60.7) |
 Identity score (0–7) (584), mean (SD) | 5.9 (1.3) |
General Health (608) | Â |
 Excellent/very good | 146 (24.0) |
 Good | 241 (39.5) |
 Fair | 172 (28.3) |
 Poor | 50 (8.2) |
Co-morbidities b (609) | Â |
 None | 371 (60.9) |
 One other health problem | 158 (25.9) |
 Two or more other health problems | 80 (13.1) |
EQ—5D—3L summary index (590) | 0.44 (0.32) |