Validation of a Dutch version of the Geriatric Oral Health Assessment Index (GOHAI-NL) in care-dependent and care-independent older people

Table 3 Reliability analysis based on item-total score correlation and test-retest correlation

GOHAI item	Corrected Item-Total score Correla-tion	Cronbach's Alpha if Item Deleted	Test-retest correla-tion ICC^a	Corrected Item-Total score Correla-tion	Cronbach’s Alpha if Item Deleted	Test-retest correla-tion ICC^a
	Group A			Group B
1. Limit the kinds of food	0.65	0.84	0.75	0.61	0.77	0.91
2. Trouble biting or chewing	0.67	0.84	0.81	0.53	0.78	0.91
3. Able to swallow comfortably	0.34	0.86	0.62	0.08	0.83	0.74
4. Unable to speak clearly	0.63	0.84	0.86	0.40	0.79	0.94
5. Able to eat without discomfort	0.49	0.85	0.78	0.67	0.77	0.74
6. Limit contact with people	0.43	0.85	0.64	0.47	0.80	0.79
7. Pleased with look of teeth	0.62	0.84	0.68	0.58	0.78	0.69
8. Used medication to relieve pain	0.51	0.85	0.74	0.53	0.79	0.81
9. Worried about teeth, gums or dentures	0.60	0.84	0.80	0.51	0.78	0.64
10. Self-conscious of teeth, gums or dentures	0.69	0.84	0.79	0.52	0.79	0.73
11. Uncomfortable eating in front of others	0.74	0.83	0.88	0.61	0.78	0.64
12. Sensitive to hot, cold or sweet foods	0.20	0.87	0.73	0.43	0.79	0.82

^aICC Intraclass correlation coefficient; applied to subsamples of group A (n = 32) and B (n = 34)

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