Table 1.

Inter-item correlations.

#	1	2	3	4	6	7	8	9	10	11	12	13
1	1.00
2	0.53	1.00
3	0.68	0.53	1.00
4	0.48	0.46	0.45	1.00
6	0.63	0.41	0.59	0.40	1.00
7	0.59	0.30	0.64	0.34	0.81	1.00
8	0.55	0.33	0.63	0.31	0.63	0.70	1.00
9	0.52	0.37	0.69	0.23	0.67	0.68	0.64	1.00
10	0.57	0.37	0.64	0.25	0.48	0.52	0.45	0.49	1.00
11	0.63	0.46	0.62	0.32	0.50	0.46	0.44	0.51	0.64	1.00
12	0.68	0.39	0.63	0.33	0.57	0.58	0.50	0.59	0.77	0.78	1.00
13	0.65	0.43	0.61	0.33	0.62	0.63	0.50	0.60	0.67	0.69	0.90	1.00

Note: All inter-item correlations significant at p < 0.001.