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

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