Table 3.

Correlations between the P300 amplitude at the Fz, Cz, and Pz locations in response to standard and target sounds and behavioral measures.

	Standard									Target
	Fz			Cz			Pz			Fz			Cz			Pz
18–30 years	Pearson r	p	n	Pearson r	p	n	Pearson r	p	n	Pearson r	p	n	Pearson r	p	n	Pearson r	p	n
Age	0.04	0.37	498	0.05	0.25	494	−0.01	0.89	498	0.09	0.05	462	−0.06	0.20	487	−0.15	<0.001	493
MDD duration	−0.01	0.81	358	0.01	0.79	354	−0.01	0.93	358	0.13	0.02	322	0.12	0.02	347	0.07	0.19	353
HDRS	0.09	0.05	498	0.03	0.52	494	−0.04	0.33	498	−0.05	0.30	462	−0.09	0.04	487	−0.22	<0.001	493
SOFAS	−0.09	0.05	498	−0.03	0.57	494	0.07	0.14	498	0.04	0.35	462	0.06	0.19	487	0.20	<0.001	493
QIDS	0.07	0.15	477	0.01	0.90	473	−0.11	0.02	477	−0.12	0.01	441	−0.14	<0.001	466	−0.25	<0.001	472
DASS Anxiety	0.03	0.58	473	0.04	0.44	469	−0.02	0.61	473	−0.11	0.02	437	−0.15	<0.001	462	−0.22	<0.001	468
DASS Depression	0.08	0.10	474	0.04	0.35	470	−0.08	0.07	474	−0.06	0.22	438	−0.09	0.04	463	−0.21	<0.001	469
DASS Stress	0.07	0.11	473	0.03	0.50	469	−0.05	0.33	473	−0.06	0.20	437	−0.09	0.06	462	−0.18	<0.001	468
BRISC Emotional Resilience	−0.10	0.03	476	−0.04	0.37	472	0.06	0.17	476	0.04	0.38	440	0.09	0.07	465	0.13	0.01	471
BRISC Negativity Bias	−0.08	0.09	474	−0.04	0.44	470	0.07	0.11	474	0.08	0.12	438	0.10	0.03	463	0.20	<0.001	469
BRISC Social Skills	−0.07	0.13	480	−0.03	0.52	476	0.02	0.66	480	0.07	0.14	444	0.08	0.09	469	0.13	<0.001	475
31–45 years
Age	0.02	0.73	344	0.09	0.11	342	0.04	0.47	344	0.08	0.15	315	−0.04	0.44	335	−0.06	0.30	340
MDD duration	0.10	0.13	259	0.06	0.31	257	0.10	0.10	259	0.00	0.98	232	0.03	0.62	252	0.06	0.37	257
HDRS	0.08	0.12	344	0.03	0.62	342	−0.06	0.29	344	−0.01	0.82	315	−0.01	0.83	335	−0.09	0.09	340
SOFAS	−0.08	0.15	344	0.00	0.96	342	0.08	0.13	344	0.06	0.27	315	0.05	0.38	335	0.13	0.01	340
QIDS	0.07	0.19	323	0.01	0.88	321	−0.06	0.31	323	0.01	0.93	296	−0.01	0.82	316	−0.09	0.13	321
DASS Anxiety	−0.02	0.69	318	−0.04	0.51	316	−0.05	0.38	318	−0.02	0.70	290	−0.04	0.52	310	−0.07	0.22	315
DASS Depression	0.03	0.59	320	0.02	0.68	318	−0.06	0.27	320	−0.01	0.94	292	0.02	0.71	312	−0.04	0.50	317
DASS Stress	0.02	0.79	320	−0.02	0.67	318	0.00	0.94	320	0.03	0.58	291	0.04	0.48	311	0.01	0.8	316
BRISC Emotional Resilience	−0.02	0.77	326	0.01	0.83	324	0.10	0.08	326	0.07	0.21	298	0.05	0.41	318	0.12	0.04	323
BRISC Negativity Bias	−0.05	0.37	322	−0.01	0.91	320	0.02	0.69	322	−0.01	0.93	294	−0.02	0.73	314	0.03	0.64	319
BRISC Social Skills	−0.05	0.35	326	0.03	0.63	324	0.05	0.35	326	0.14	0.01	298	0.12	0.03	318	0.12	0.04	323
46–65 years
Age	0.16	<0.001	372	0.13	0.01	369	0.06	0.24	371	0.06	0.24	355	0.02	0.73	365	0.15	0.01	367
MDD duration	0.06	0.33	270	0.03	0.67	267	0.07	0.23	269	0.03	0.60	253	0.03	0.58	263	0.09	0.15	265
HDRS	0.02	0.73	372	−0.04	0.45	369	−0.01	0.93	371	−0.12	0.03	355	−0.08	0.11	365	−0.12	0.03	367
SOFAS	−0.07	0.18	372	0.00	0.95	369	−0.03	0.57	371	0.08	0.12	355	0.06	0.26	365	0.10	0.06	367
45–65 years	Pearson r	p	n	Pearson r	p	n	Pearson r	p	n	Pearson r	p	n	Pearson r	p	n	Pearson r	p	n
QIDS	0.02	0.72	349	−0.03	0.62	346	0.03	0.54	348	−0.09	0.10	331	−0.08	0.15	341	−0.11	0.04	343
DASS Anxiety	−0.05	0.40	346	−0.06	0.28	344	−0.06	0.26	345	−0.17	<0.001	329	−0.13	0.02	341	−0.16	<0.001	341
DASS Depression	−0.03	0.63	347	−0.04	0.41	344	0.01	0.85	346	−0.05	0.33	330	−0.05	0.39	341	−0.08	0.16	342
DASS Stress	0.01	0.83	347	−0.02	0.72	344	−0.03	0.65	346	−0.06	0.28	330	−0.04	0.52	341	−0.06	0.27	342
BRISC Emotional Resilience	−0.06	0.24	351	0.00	0.95	348	−0.03	0.56	350	0.00	0.98	334	0.00	0.99	345	0.10	0.08	346
BRISC Negativity Bias	0.04	0.45	349	0.05	0.36	346	0.02	0.75	348	0.08	0.14	332	0.06	0.28	343	0.10	0.07	344
BRISC Social Skills	−0.01	0.85	351	0.03	0.64	348	0.03	0.58	350	−0.02	0.71	334	0.03	0.59	345	0.05	0.32	346
Combined
Age	0.14	<0.001	1,214	0.14	<0.001	1,205	0.04	0.21	1,213	0.21	<0.001	1,132	−0.05	0.1	1,187	−0.12	<0.001	1,200
MDD duration	0.10	<0.001	887	0.08	0.02	878	0.07	0.04	886	0.13	<0.001	807	0.02	0.54	862	0.01	0.77	875
HDRS	0.07	0.02	1,214	0.01	0.75	1,205	−0.03	0.25	1,213	−0.05	0.09	1,132	−0.07	0.02	1,187	−0.16	<0.001	1,200
SOFAS	−0.08	<0.001	1,214	−0.01	0.65	1,205	0.04	0.21	1,213	0.05	0.11	1,132	0.06	0.04	1,187	0.16	<0.001	1,200
QIDS	0.05	0.08	1,149	−0.01	0.87	1,140	−0.05	0.1	1,148	−0.07	0.02	1,068	−0.09	0	1,123	−0.17	<0.001	1,136
DASS Anxiety	−0.01	0.66	1,137	−0.02	0.61	1,129	−0.04	0.18	1,136	−0.11	<0.001	1,056	−0.11	<0.001	1,113	−0.14	<0.001	1,124
DASS Depression	0.03	0.29	1,141	0.01	0.75	1,132	−0.05	0.12	1,140	−0.04	0.21	1,060	−0.05	0.11	1,116	−0.12	<0.001	1,128
DASS Stress	0.03	0.25	1,140	0.00	0.91	1,131	−0.03	0.31	1,139	−0.04	0.18	1,058	−0.04	0.25	1,114	−0.09	<0.001	1,126
BRISC Emotional Resilience	−0.05	0.13	1,153	0.00	0.92	1,144	0.04	0.13	1,152	0.06	0.05	1,072	0.05	0.13	1,128	0.11	<0.001	1,140
BRISC Negativity Bias	−0.03	0.36	1,145	0.01	0.88	1,136	0.04	0.13	1,144	0.06	0.04	1,064	0.05	0.08	1,120	0.12	<0.001	1,132
BRISC Social Skills	−0.05	0.07	1,157	0.00	0.94	1,148	0.03	0.27	1,156	0.04	0.16	1,076	0.09	0	1,132	0.13	<0.001	1,144

Bold font identifies correlations that meet the minimum criterion of a small effect size. MDD, major depressive disorder; HDRS, Hamilton Depression Rating Scale; SOFAS, Social and Occupational Functioning Assessment Scale; QIDS, Quick Inventory of Depressive Symptomatology; DASS, Depression Anxiety and Stress Scales; BRISC, Brain Resource Inventory of Social Cognition.