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Table 2 Multivariate logistic regressions (stepwise) with age of illness onset as the dependent variable

From: Effects of age of onset on clinical characteristics in schizophrenia spectrum disorders

Predictors

Beta

SE

Wald

Significance

OR

95% CI

Step 1

      

Cognitive

-0.312

0.085

13.538

<0.001

0.73

0.62-0.864

Constant

8.488

2.023

17.606

<0.001

0.057

 

Step 2

      

Impulsivity

-0.076

0.031

6.065

0.015

0.94

0.872-0.985

Cognitive

-0.551

0.13

17.948

<0.001

0.58

0.447-0.744

Constant

6.824

2.235

9.325

0.002

0.021

 
  1. Abbreviations: Cognitive = cognitive component of the Positive and Negative Syndrome Scale; Impulsivity = total score of Barratt Impulsiveness Scale; OR = Odds ratio; CI = Confidence Interval.