Table 1.
Characteristics of QUATRO study sample at baseline: overall, completers and non-completers
| Characteristic | Completers (n = 357) | Non-completers (n = 52) | Overall (n = 409) |
|---|---|---|---|
| Centre: N (%) | |||
| Amsterdam | 87 (24.4) | 13 (25.0) | 100 (24.5) |
| Leipzig | 81 (22.7) | 16 (30.8) | 97 (23.7) |
| London | 80 (22.4) | 12 (23.1) | 92 (22.5) |
| Verona | 109 (30.5) | 11 (21.2) | 120 (29.3) |
| Age: mean (s.d.) | 41.7 (11.5) | 40.3 (11.4) | 41.5 (11.5) |
| Sex: % male | 59.9 | 59.6 | 59.9 |
| Ethnicity: % White European | 75.1 | 80.8 | 75.8 |
| Education: % with further/tertiary qualifications | 32.4 | 32.7 | 32.4 |
| Years using antipsychotics: mean (s.d.) | 13.9 (9.9) | 11.6 (9.8) | 13.7 (9.9) |
| Living situation: % living alone | 40.2 | 42.3 | 40.4 |
| Morisky scale total score: mean (s.d.) | 3.0 (1.2) | 2.9 (1.2) | 2.9 (1.2) |
| Percent non-adherent to medication at baseline* | 30.5 | 28.2 | 30.3 |
| SF-36 mental component score: mean (s.d.) | 39.1 (11.9) | 40.1 (10.7) | 39.2 (11.7) |
| BPRS-E total score: mean (s.d.) | 45.0 (13.0) | 46.1 (13.5) | 45.2 (13.0) |
*Based on Morisky total scores of 0, 1 or 2 indicating non-adherence.