Table 1.

Item analysis and I-CVI of the Integrative Vitality Scale.

Preliminary item	Min.	Max.	M	SD	Skew	Kurtosis	Item-total correlation	Internal consistency when items are deleted	I-CVI
No.1	0	4	1.88	0.86	0.10	−0.05	0.71	0.948	1.00
No.2	0	4	2.06	0.87	0.15	−0.23	0.72	0.948	0.90
No.3	0	4	2.30	0.90	−0.18	−0.16	0.58	0.949	1.00
No.4	0	4	1.76	1.00	0.03	−0.55	0.65	0.949	1.00
No.5	0	4	1.73	1.02	0.24	−0.66	0.53	0.950	0.90
No.6	0	4	1.89	0.87	0.00	−0.20	0.74	0.948	1.00
No.7a	0	4	2.36	0.99	−0.41	−0.50	0.52	0.950	0.70
No.8	0	4	2.58	0.82	−0.45	0.27	0.61	0.949	1.00
No.9	0	4	2.21	0.97	−0.34	−0.31	0.42	0.951	1.00
No.10	0	4	2.07	0.88	−0.12	−0.45	0.52	0.950	1.00
No.11	0	4	2.20	0.89	−0.02	−0.41	0.63	0.949	0.90
No.12	0	4	2.41	1.00	−0.34	−0.58	0.59	0.949	1.00
No.13	0	4	1.97	1.06	−0.05	−0.87	0.59	0.949	1.00
No.14	0	4	2.01	1.01	0.01	−0.59	0.61	0.949	0.90
No.15	0	4	2.10	0.91	−0.03	−0.21	0.67	0.949	1.00
No.16a	0	4	2.75	0.86	−0.42	−0.26	0.49	0.950	0.70
No.17	0	4	2.22	0.80	−0.16	−0.25	0.68	0.949	0.80
No.18	0	4	2.34	0.81	−0.27	0.16	0.75	0.948	1.00
No.19	0	4	2.39	0.84	−0.18	−0.15	0.74	0.948	1.00
No.20	0	4	2.30	0.86	−0.29	−0.06	0.64	0.949	1.00
No.21	0	4	2.17	0.85	−0.14	−0.03	0.68	0.949	1.00
No.22	0	4	2.54	0.89	−0.42	−0.30	0.46	0.950	0.90
No.23	0	4	2.54	0.87	−0.25	−0.51	0.56	0.950	0.90
No.24	1	4	2.77	0.73	−0.33	0.03	0.45	0.950	1.00
No.25	0	4	2.74	0.76	−0.52	0.37	0.62	0.949	1.00
No.26	1	4	2.80	0.75	−0.47	0.18	0.53	0.950	1.00
No.27a	0	4	2.05	0.98	−0.09	−0.55	0.58	0.949	0.80
No.28	0	4	2.37	0.84	−0.23	−0.22	0.71	0.948	1.00
No.29	0	4	2.32	0.92	−0.21	−0.34	0.68	0.948	1.00
No.30	0	4	2.23	0.88	−0.20	−0.51	0.56	0.949	0.80
No.31	0	4	2.54	0.87	−0.48	0.04	0.63	0.949	0.90
No.32	0	4	2.55	0.81	−0.33	0.06	0.41	0.951	0.80

I-CVI, item-level content validity index. ^aReversed item.