Table 1.
Baseline characteristics of participants. Data are no (%) unless stated otherwise
| Intervention arm | Total sample (n=337) | |||
|---|---|---|---|---|
| Routine care (n=112) | Booklet self management only (n=113) | Booklet self management with telephone support (n=112) | ||
| Male | 28 (25) | 40 (35) | 30 (27) | 98 (29) |
| Age, years (mean, standard deviation) | 58.2 (15.8) | 60.5 (15.2) | 59.5 (14.9) | 59.4 (15.3) |
| Left school aged <18 years | 80 (71) | 94/111* (85) | 95/110* (86) | 269/333* (81) |
| Post school education | 68 (61) | 62/111* (56) | 67/110* (61) | 197/333* (59) |
| Duration of dizziness, months (mean, standard deviation) | 67.9 (111.0) | 65 7 (75.6) | 65.8 (88.6) | 66.5 (93.0) |
| Consulted health professional in past year for dizziness | 90 (80) | 76 (67) | 69 (62) | 235 (70) |
| Prescribed medication for dizziness | 65 (58) | 63 (56) | 62 (55) | 190 (56) |
| Exceeded screening threshold for anxiety on hospital anxiety and depression scale | 44 (39) | 46 (41) | 53 (47) | 143 (42) |
| Exceeded screening threshold for depression on hospital anxiety and depression scale | 27 (24) | 17 (15) | 21 (19) | 65 (19) |
| Vertigo symptom scale-short form (mean, standard deviation) | 13.8 (10.7) | 12.6 (7.7) | 13.4 (9.6) | 13.5 (9.6) |
*Data not complete for all participants randomised.