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