Table 2. One- and four-factor solutions for 46 OHIP items not referring to dentures specifically (factors in >1-factor solutions are extracted with iterated principal factor method and oblimin-rotated).
| OHIP item | One factor | Four factors | ||||
|---|---|---|---|---|---|---|
| Psychosocial Impact | Oral Function | Orofacial Appearance | Orofacial Pain | |||
| 1. | Difficulty chewing | .76 | -.03 | .57 | .18 | .27 |
| 2. | Trouble pronouncing words | .76 | .05 | .77 | .11 | .00 |
| 6. | Taste worse | .74 | .22 | .57 | -.06 | .15 |
| 16. | Uncomfortable to eat | .80 | .07 | .48 | .19 | .27 |
| 24. | Speech unclear | .80 | .10 | .70 | .17 | .00 |
| 25. | Others misunderstood | .77 | .25 | .57 | .07 | .01 |
| 26. | Less flavor in food | .78 | .37 | .55 | -.09 | .06 |
| 28. | Avoid eating | .78 | .04 | .59 | .18 | .17 |
| 29. | Diet unsatisfactory | .84 | .26 | .47 | .10 | .19 |
| 32. | Interrupt meals | .82 | .29 | .47 | .08 | .14 |
|
| ||||||
| 3. | Noticed tooth which doesn't look right | .59 | -.11 | .02 | .62 | .30 |
| 4. | Appearance affected | .71 | .06 | .28 | .61 | -.05 |
| 19. | Worried | .74 | .10 | .01 | .58 | .29 |
| 20. | Self-conscious | .78 | .15 | .16 | .58 | .11 |
| 22. | Uncomfortable about appearance | .82 | .18 | .14 | .68 | .05 |
| 31. | Avoid smiling | .80 | .27 | .24 | .52 | -.05 |
|
| ||||||
| 10. | Painful aching | .71 | .08 | .15 | .02 | .71 |
| 11. | Sore jaw | .66 | .15 | .11 | -.06 | .68 |
| 13. | Sensitive teeth | .49 | .10 | -.19 | .20 | .58 |
| 14. | Toothache | .62 | .10 | -.14 | .24 | .67 |
| 15. | Painful gums | .65 | -.05 | .25 | .01 | .68 |
| 17. | Sore spots | .65 | .01 | .18 | .02 | .69 |
| 12. | Headaches | .61 | .47 | -.14 | -.04 | .46 |
|
| ||||||
| 23. | Tense | .83 | .57 | .00 | .25 | .15 |
| 33. | Sleep interrupted | .77 | .69 | -.02 | -.02 | .22 |
| 34. | Upset | .81 | .55 | -.01 | .28 | .15 |
| 35. | Difficult to relax | .80 | .79 | -.01 | .09 | .01 |
| 36. | Depressed | .87 | .76 | .01 | .19 | .01 |
| 37. | Concentration affected | .86 | .83 | .00 | .01 | .10 |
| 38. | Been embarrassed | .84 | .47 | .13 | .43 | -.04 |
| 39. | Avoid going out | .84 | .70 | .15 | .16 | -.09 |
| 40. | Less tolerant of others | .81 | .89 | -.04 | .00 | .01 |
| 41. | Trouble getting on with others | .77 | .83 | .06 | .02 | -.09 |
| 42. | Irritable with others | .78 | .95 | -.11 | -.02 | .01 |
| 43. | Difficulty doing jobs | .84 | .86 | .07 | -.06 | .04 |
| 44. | Health worsened | .79 | .70 | .13 | -.04 | .09 |
| 45. | Financial loss | .67 | .56 | .13 | .03 | .02 |
| 46. | Unable to enjoy people's company | .86 | .70 | .14 | .19 | -.08 |
| 47. | Life unsatisfying | .81 | .76 | .09 | .07 | -.04 |
| 48. | Unable to function | .81 | .80 | .14 | -.06 | -.01 |
| 49. | Unable to work | .82 | .87 | .06 | -.10 | .06 |
|
| ||||||
| 5. | Breath stale | .59 | .15 | .16 | .16 | .27 |
| 7. | Food catching | .55 | -.08 | .27 | .21 | .35 |
| 8. | Digestion worse | .75 | .40 | .37 | -.05 | .15 |
| 21. | Miserable | .84 | .29 | .13 | .42 | .21 |
| 27. | Unable to brush teeth | .75 | .17 | .31 | .21 | .25 |
*
loadings >.45 are shaded