Table 2.

Mean (standard deviation) individual item scores in auditory hallucination rating scale 1

Items	Baseline	Week 1	Week 2	Week 4	Week 16	Friedman's test
						χ2	Df	P
Frequency	6.1 (2.9)	4.8 (3.1)	3.7 (3.0)	3.7 (3.0)	2.8 (2.7)	51.02	6	<0.001
Reality	4.8 (0.6)	4.3 (1.6)	4.0 (1.8)	4.0 (1.7)	3.6 (1.9)	12.37	6	<0.001
Loudness	2.8 (0.8)	2.3 (1.2)	2.0 (1.3)	2.1 (1.3)	1.9 (1.3)	14.36	6	0.03
Number of voices	4.4 (2.1)	3.6 (2.3)	3.4 (2.4)	3.3 (2.2)	2.9 (2.2)	14.74	6	0.022
Length	3.6 (1.0)	3.1 (1.5)	2.7 (1.6)	2.7 (1.6)	2.3 (1.6)	21.88	6	0.001
Attentional Salience	4.9 (1.5)	3.9 (2.0)	3.2 (1.9)	3.2 (1.9)	2.7 (1.9)	50.68	6	<0.001
Distress level	3.8 (1.1)	3.1 (1.4)	2.5 (1.4)	2.5 (1.4)	2.3 (1.4)	43.54	6	<0.001