Table 1. Baseline characteristics of randomised participants.
| Condition | ||||
| Web only (n = 38) | Web with tracking (n = 45) | Tracking only (n = 37) | Control (n = 35) | |
| Sex (female), n (%) | 33 (86) | 37 (82) | 29 (78) | 28 (80) |
| Age (years), mean (SD) | 37.5 (12.0) | 41.7 (12.1) | 43.4 (12.6) | 43.7 (12.3) |
| Years spent in education*, mean (SD) | 13.3 (2.7) | 14.0 (2.7) | 13.1 (2.6) | 13.4 (2.7) |
| Relationship status, n (%): | ||||
| Married/cohabiting | 10 (26) | 11 (24) | 14 (38) | 8 (23) |
| Divorced/separated/widowed | 11 (29) | 21 (47) | 16 (43) | 16 (46) |
| Never married | 17 (45) | 13 (29) | 7 (18) | 11 (31) |
| Employment status*, n (%): | ||||
| Employed full time | 8 (21) | 9 (20) | 10 (27) | 9 (26) |
| Employed part time | 11 (29) | 13 (29) | 4 (11) | 8 (23) |
| Not in labour force | 19 (50) | 22 (49) | 23 (62) | 18 (51) |
| History of previous depression*, n (%) | 35 (92) | 41 (91) | 33 (89) | 35 (100) |
| Experience of panic attacks in last 4 weeks*, n (%) | 26 (68) | 33 (73) | 27 (73) | 29 (83) |
| History of social phobia*, n (%) | 19 (50) | 29 (64) | 24 (65) | 21 (60) |
| History of specific phobia*, n (%) | 8 (21) | 7 (16) | 5 (14) | 5 (14) |
| K-10 score, mean (SD) | 32.4 (6.3) | 32.4 (5.6) | 32.4 (5.9) | 34.0 (5.5) |
| CES-D score*, mean (SD) | 35.0 (10.8) | 34.4 (10.2) | 37.6 (10.7) | 38.6 (8.8) |
| Caseness (score on CES-D ≥16)*, n (%) | 36 (95) | 42 (93) | 35 (95) | 35 (100) |
Not all participants completed all questions.
K-10 = Kessler 10 Psychological Distress Scale.
CES-D = Centre for Epidemiological Studies - Depression Scale.
*Education (n = 150); Employment (n = 154); Depression history (n = 154); Panic attacks (n = 153); Social phobia (n = 151); Specific phobia (n = 152); Baseline CES-D (n = 152); Caseness (n = 152).