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Table 4 Correlation between item - subscale (dimension) scores and between subscale- overall scale scores

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

GOHAI items and dimension Group Cronbach’s alpha
Dimension: Physical Functioning subscale-overall scale Cronbach's α: group A: 0.82; group B: 0.64
1. Limit the kinds of food A 0.78
B 0.54
2. Trouble biting or chewing A 0.81
B 0.55
4. Unable to speak clearly A 0.49
B 0.30
Dimension: Pain and discomfort subscale-overall scale Cronbach's α group A: 0.43; group B: 0.49
3. Able to swallow comfortably A 0.31
B 0.19
5. Able to eat without discomfort A 0.31
B 0.36
8. Used medication to relieve pain A 0.26
B 0.44
12. Sensitive to hot, cold or sweet foods A 0.13
B 0.28
Dimension: Psychosocial functioning subscale-overall scale Cronbach's α group A: 0.82; group B: 0.72
6. Limit contact with people A 0.46
B 0.46
7. Pleased with look of teeth A 0.65
B 0.59
9. Worried about teeth, gums or dentures A 0.52
B 0.65
10. Self-conscious of teeth, gums or dentures A 0.76
B 0.59
11. Uncomfortable eating in front of others A 0.76
B 0.48