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. Author manuscript; available in PMC: 2016 Feb 28.
Published in final edited form as: Psychiatry Res. 2014 Dec 15;225(3):395–401. doi: 10.1016/j.psychres.2014.12.006

Table 5.

Distribution of gender, age of onset, and family history of psychosis.

Gender Age of Onset of
Schizophrenia		 Family History of
Psychosis2 		Substance Use
Disorder before
Schizophrenia
Chi-
Square		 P
value		 Chi-
square		 P
value		 Chi-
Square		 P
value		 Chi-
Square		 P
value
Overall test 25.64 <.01 1.04 .6 3.05 .22 N/A N/A
LC1 vs. LC2 20.69 <.01 .53 .47 1.17 .28 N/A N/A
LC1 vs. LC3 26.07 <.01 1.52 .22 .81 .37 N/A N/A
LC2 vs. LC3 .01 .91 .17 .68 2.73 .1 1.90 .17
Disease Pattern Disease Severity Disease Course Number of Acute
Symptoms
Chi-
Square		 P
value		 Chi-
Square		 P
value		 Chi-
Square		 P
value		 Chi-
Square		 P
value
Overall test .55 .76 7.61 .02 5.04 .08 13.65 <.01
LC1 vs. LC2 .13 .72 5.38 .02 3.89 .05 2.08 .15
LC1 vs. LC3 .25 .62 <.01 .99 4.18 .04 8.16 <.01
LC2 vs. LC3 .48 .49 4.02 .05 .03 .86 11.70 <.01

Table 5 gives the results of the Wald test. Posterior probability-based multiple imputations with two degrees of freedom were used for the overall test and one degree of freedom for the pairwise tests. The results indicate statistically significant differences in sex and number of acute symptoms across the latent classes. LC, Latent Class. (N = 1,219)