Table 4.

Prediction of group membership: results of three multinomial logistic regression analysis models.

	NAP patients without positive FTD				NAP patients with positive FTD
	b	SE	p	OR [95% CI]	b	SE	p	OR [95% CI]
Model 1
Constant	.004	.323	.990		−.089	.339	.792
ACM	−.020	.318	.950	.980 [.526–1.828]	−.769	.382	.044	.464 [.219–.979]
Model 2
Constant	−.167	.369	.651		−.148	.370	.690
ACM	.031	.353	.930	1.032 [.517–2.058]	−.946	.434	.029	.388 [.166–.909]
Repetitions	.938	.418	.025	2.555 [1.126–5.799]	−.227	.418	.588	.797 [.351–1.809]
ACM*Rep	−.520	.425	.221	.594 [.258–1.367]	−.406	.417	.330	.666 [.294–1.508]
Model 3
Constant	1.124	.763	.141		.918	.773	.235
ACM	.230	.378	.543	1.259 [.599–2.642]	−.235	.522	.653	.791 [.284–2.200]
Repetitions	.852	.422	.044	2.345 [1.025–5.367]	−.493	.530	.353	.611 [.216–1.728]
Neologisms	2.152	1.22	.078	8.603 [.787–94.053]	2.658	1.25	.033	14.27 1.239–164.27]
Ambig. ref.	1.318	1.01	.192	3.737 [.516–27.069]	2.485	1.04	.017	12.00 [1.560–92.238]
Differentiat.	−.282	.398	.479	.754 [.346–1.644]	−1.14	.514	.026	.319 [.116–.872]

The reference category is healthy controls.

ACM, automatically derived coherence metrics; FTD, formal thought disorder; NAP, non-affective psychosis.