Table 2.
Cox regression of the association between transition to psychosis and each baseline variable individually
| n | β | se (β) | p-value | |
|---|---|---|---|---|
| Age | 304 | 0.044 | 0.032 | 0.168 |
| Gender | 304 | 0.017 | 0.317 | 0.957 |
| Ethnicity (Caucasian vs. non-Caucasian) | 297 | 0.367 | 0.381 | 0.336 |
| Years of education | 297 | −0.033 | 0.031 | 0.296 |
| DUS | 284 | 0.00016 | 0.00012 | 0.175 |
| Log (DUS) | 284 | −0.034 | 0.104 | 0.747 |
| CAARMS unusual thought content | 304 | 0.024 | 0.044 | 0.587 |
| CAARMS non-bizarre ideas | 304 | −0.017 | 0.049 | 0.725 |
| CAARMS perceptual abnormalities | 303 | −0.015 | 0.059 | 0.794 |
| CAARMS disorganised speech | 299 | 0.109 | 0.051 | 0.033 |
| BPRS total | 296 | 0.061 | 0.013 | 0.000005 |
| BPRS psychotic subscale | 294 | 0.134 | 0.062 | 0.030 |
| BPRS anxiety | 296 | 0.354 | 0.107 | 0.00096 |
| SANS total | 295 | 0.035 | 0.010 | 0.001 |
| SANS affective flattening or blunting | 295 | 0.069 | 0.023 | 0.003 |
| SANS alogia | 295 | 0.107 | 0.048 | 0.024 |
| SANS avolition-apathy | 295 | 0.142 | 0.053 | 0.008 |
| SANS anhedonia-asociality | 295 | 0.076 | 0.036 | 0.038 |
| SANS attention | 294 | 0.166 | 0.086 | 0.054 |
| YMRS total | 294 | 0.032 | 0.053 | 0.547 |
| MADRS total | 304 | 0.024 | 0.018 | 0.187 |
| SOFAS | 298 | −0.023 | 0.013 | 0.072 |
| Global functioning—social scale | 296 | −0.353 | 0.124 | 0.004 |
| Global functioning—role scale | 296 | −0.064 | 0.101 | 0.526 |
| Site: Vienna vs. Melbourne | 304 | −0.703 | 0.521 | 0.177 |
| Site: Other sites vs. Melbourne | 304 | 0.433 | 0.349 | 0.216 |
| Migrant status (yes vs. no) | 297 | −0.662 | 0.479 | 0.167 |
n number with baseline and medium-term follow-up data, DUS duration of untreated symptoms prior to study entry, CAARMS Comprehensive Assessment of At-Risk Mental State, BPRS Brief Psychiatric Rating Scale, SANS Scale for the Assessment of Negative Symptoms, MADRS Montgomery-Asberg Depression Rating Scale, YMRS Young Mania Rating Scale, SOFAS Social and Occupational Functioning Scale. Sub-scales are also reported when total scale scores were significant predictors