Health and Quality of Life Outcomes

Table 1 Reliability analysis based on the OHIP inter-item correlation.

From: Validation of a Greek version of the oral health impact profile (OHIP-14) for use among adults

	1	2	3	4	5	6	7	8	9	10	11	12	13	14
1	1.00
2	0.38	1.00
3	0.80	0.46	1.00
4	0.34	0.41	0.35	1.00
5	0.50	0.46	0.53	0.41	1.00
6	0.37	0.35	0.43	0.32	0.38	1.00
7	0.66	0.40	0.68	0.48	0.61	0.49	1.00
8	0.26	0.23	0.28	0.23	0.23	0.74	0.40	1.00
9	0.39	0.26	0.41	0.36	0.31	0.36	0.52	0.43	1.00
10	0.38	0.35	0.41	0.34	0.34	0.35	0.46	0.38	0.83	1.00
11	0.28	0.19	0.34	0.16*	0.21	0.57	0.41	0.51	0.45	0.47	1.00
12	0.34	0.31	0.35	0.25	0.25	0.44	0.39	0.39	0.52	0.59	0.60	1.00
13	0.44	0.29	0.45	0.28	0.43	0.20	0.43	0.10	0.30	0.3	0.21	0.18	1.00
14	0.32	0.33	0.35	0.36	0.27	0.69	0.41	0.63	0.48	0.51	0.62	0.50	0.14*	1.00

All Correlations are significant at the 0.01 level (2-tailed) except for *two at the 0.05 level (2-tailed).

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