Table 1. Distribution of SSU score and study characteristics.
| Study | No. individuals | Mean SSU score (s.d.) | No. with suicide attempts (%) | No. females (%) | Mean age onset, s.d. (years ) | Mean age at interview, s.d. (years) |
| DeCC | 1117 | 3.857 (1.639) | 125 (11.3%) | 767 (69.2%) | 23.0 (11.6) | 47.1 (12.0) |
| DeNt | 898 | 3.867 (1.687) | 125 (14.0%) | 686 (77.1%) | 21.9 (11.2) | 44.9 (11.7) |
| Bonn/Lausanne | 163 | 3.568 (1.652) | 15 (9.7%) | 115 (74.2%) | 25.3 (12.8) | 49.7 (12.5) |
| Total | 2154 | 3.84 (1.661) | 265 (12.3%) | 1568 (72.8%) | 22.7(11.5) | 46.3 (12.0) |