Table 3.

Mixed effects models examining whether app-assessed conventional early signs and basic symptoms separately predict app-assessed psychotic symptoms and whether adding basic symptoms to conventional early signs improves model fit (likelihood-ratio test).

	Early signs				Basic symptoms				Likelihood-ratio test
Prediction of:	Coefficient	SE	P value	Observations	Coefficient	SE	P value	Observations	LR Chi2	P value
Simultaneous psychosis
Psychotic symptoms	0.435	0.059	<0.001	275	0.314	0.051	<0.001	275	12.20	<0.001
Hallucinations	0.556	0.076	<0.001	275	0.442	0.064	<0.001	275	17.49	<0.001
Delusions	0.347	0.076	<0.001	275	0.214	0.067	0.002	275	2.24	0.134
Suspiciousness	0.311	0.073	<0.001	274	0.288	0.075	<0.001	274	11.23	<0.001
Grandiosity	0.071	0.083	0.391	275	0.014	0.051	0.788	275	0.11	0.742
Psychosis 1 week later
Psychotic symptoms	0.104	0.075	0.169	223	0.081	0.068	0.232	222	0.69	0.407
Hallucinations	0.122	0.091	0.180	223	0.116	0.088	0.189	222	1.14	0.286
Delusions	0.117	0.089	0.190	223	0.078	0.088	0.387	222	0.29	0.591
Suspiciousness	0.194	0.080	0.016	222	0.060	0.077	0.435	221	0.19	0.667
Grandiosity	−0.090	0.080	0.262	223	−0.107	0.071	0.131	222	1.26	0.263
Psychosis 2 weeks later
Psychotic symptoms	0.028	0.086	0.744	209	0.084	0.067	0.211	208	2.39	0.122
Hallucinations	0.127	0.120	0.293	209	0.132	0.103	0.202	208	1.85	0.174
Delusions	−0.027	0.097	0.778	209	0.067	0.078	0.388	208	1.96	0.162
Suspiciousness	−0.023	0.084	0.789	208	0.121	0.068	0.075	207	6.47	0.011
Grandiosity	0.007	0.089	0.941	209	0.044	0.080	0.577	208	0.45	0.501
Psychosis 3 weeks later
Psychotic symptoms	0.192	0.076	0.011	206	0.174	0.067	0.009	205	6.25	0.012
Hallucinations	0.283	0.094	0.003	206	0.162	0.091	0.075	205	1.63	0.201
Delusions	0.138	0.096	0.152	206	0.216	0.090	0.017	205	11.02	<0.001
Suspiciousness	0.056	0.078	0.472	205	0.110	0.058	0.056	204	3.55	0.060
Grandiosity	0.071	0.093	0.444	206	0.083	0.078	0.293	205	0.89	0.345

Bold values statistically significance at p < 0.05.