Table 1.
Demographic and clinical characteristics of diagnostic groups within clusters
| BD-High (N=44) | BD-Low (N=24) | SZ-Low (N=34) | HC-High (N=31) | Post-hoc comparisons | |
|---|---|---|---|---|---|
| Age | 43.2 (10.9) | 45.3 (10.1) | 44.3 (9.2) | 41.8 (9.9) | |
| Sex (% female) | 50 | 37.5 | 45.5 | 45.2 | |
| Personal Edu | 14.6 (2.4) | 13.4 (1.3) | 12.3 (2.4) | 13.4 (1.3) | BD-High = BD-Low = HC-High < SZ-Low |
| Parental Edu | 15.5 (2.9) | 13.4 (3.1) | 13.6 (3.5) | 13.4 (3.1) | BD-High > BD-Low = SZ-Low = HC-High |
| BPRS | 33.3 (7.1) | 33.5 (6.8) | 41.9 (9.0) | BD-High = BD-Low < SZ-Low | |
| YMRS | 3.1 (3.8) | 3.9 (4.2) | 6.0 (6.1) | BD-High = BD-Low < SZ-Low | |
| HAMD | 7.8 (6.2) | 8.4 (6.7) | 7.2 (4.8) | ||
| Age of onset | 17.4 (7.1) | 19.9 (5.5) | 20.2 (5.5) | ||
| UPSA | .87 (.06) | .84 (.08) | .73 (.11) | BD-High = BD-Low > SZ-Low | |
| MASC | 3.9 (.5) | 3.7 (.5) | 3.2 (.55) | BD-High = BD-Low > SZ-Low | |
| RFS Total | 19.7 (4.5) | 18.0 (4.6) | 13.3 (4.3) | BD-High = BD-Low > SZ-Low | |
| % BD I | 72.7 | 58.3 | χ2=1.47, p = .22 | ||
| % BD I with a history of psychosis | 28.1 | 42.9 | χ2=.96, p = .32 | ||
| % Antipsychotic Medication | 50 | 79.2 | χ2=5.51, p < .05 | ||
| % Lithium | 25 | 8.3 | χ2=2.79, p =.09 | ||
| % Euthymic | 84.1 | 62.5 | χ2=4.02, p < .05 | ||
| % Alcohol/Substance dependence | 40.5 | 62.5 | χ2=1.83, p =.60 | ||
| Duration of past manic episodes (months) | 22.1 (51.6) | 19.0 (24.8) | BD-High = BD-Low | ||
| Duration of past depressive episodes (months) | 39.1 (48.0) | 41.8 (90.0) | BD-High = BD-Low |