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. 2014 May 13;14:138. doi: 10.1186/1471-244X-14-138

Table 3.

Zero-order correlations among major variables and demographics in participants with schizophrenia

  1 2 3 4 5 6 7 8 9 10 11
1 Duration of illness
 1
 -
 -
 -
 -
 -
 -
 -
 -
 -
 -
2 Age of onset
 -0.43**
 1
 -
 -
 -
 -
 -
 -
 -
 -
 -
3 Age
 0.55**
 0.43**
 1
 -
 -
 -
 -
 -
 -
 -
 -
4 Education
 -0.05
 -0.07
 -0.17
 1
 -
 -
 -
 -
 -
 -
 -
5 Perception
 0.14
 -0.11
 0.01
 0.45**
 1
 -
 -
 -
 -
 -
 -
6 Executive functioning
 0.09
 -0.03
 -0.01
 0.17
 0.31*
 1
 -
 -
 -
 -
 -
7 Theory of mind
 -0.07
 -0.01
 -0.13
 0.27*
 0.36**
 0.31*
 1
 -
 -
 -
 -
8 Empathy
 0.05
 -0.02
 0.05
 -0.13
 -0.07
 0.41**
 0.02
 1
 -
 -
 -
9 Negative symptoms
 -0.08
 0.04
 0.00
 -0.17
 -0.31*
 -0.29*
 -0.38**
 -0.06
 1
 -
 -
10 Positive symptoms
 0.00
 -0.07
 -0.01
 0.00
 -0.06
 -0.21
 -0.26*
 -0.13
 0.14
 1
 -
11 General symptoms -0.22 0.14 0.02 -0.08 -0.20 -0.31* -0.26* 0.10 0.48** 0.58** 1

*P < = 0.05.

**P < = 0.01.