Table 2.

Correlation Between Variables Examined for Their Influence on the Hypothesised Sequence of Symptom Types (Nonparametric Spearman Correlation Coefficient)

	Level of Education on Leaving School	First-Degree Relative With Mental Disorder	Gender	Diagnosis at Discharge	Duration of Prodrome
Age at onset of illness, y	−0.143	−0.059	0.152	−0.118	−0.406**
Level of education		0.108	−0.136	0.006	−0.017
First-degree relative with mental disorder			0.087	0.103	0.026
Gender				0.237**	0.157
Diagnosis at discharge					0.119

**P < 0.01.