Table 2.

The Obsessive-Compulsive Drug Use Scale (OCDUS): Means (M), standard deviations (SD), factor loadings, communalities (h²), and Cronbach’s α for the three-factor model

			Factor loadings				Cronbach’s α(item deletion)	The Chinese OCDUS
Item	M	SD	1	2	3	h2
8	1.74	1.14	0.85	0.15	0.14	0.76	0.869	1
12	1.53	0.96	0.84	0.11	0.08	0.73	0.875	1
2	2.01	1.00	0.83	0.25	0.07	0.76	0.867	1
7	1.96	1.03	0.82	0.24	0.06	0.74	0.869	1
10	2.29	1.31	0.70	0.26	−0.03	0.56	0.900	2
1	1.90	1.13	0.67	0.28	0.08	0.54	0.891	1
4	2.40	1.29	0.36	0.86	0.01	0.87	0.655	2
3	2.15	1.22	0.33	0.86	0.07	0.85	0.672	2
9	2.36	1.30	0.46	0.60	0.00	0.58	0.783	R
5	2.98	1.37	0.00	0.59	−0.56	0.66	0.866	2
13	2.58	1.39	0.12	0.12	0.85	0.75	0.391	3
11	2.64	1.45	0.12	0.27	−0.75	0.66	0.669	2
6	3.46	1.40	0.29	0.22	0.65	0.56	0.618	3

R: removed by Yang et al. 2016. The last column indicates the allocation of items among factors based on Yang et al. 2016