TABLE 4.
The tool reliability analysis of the old and new sub-scales.
| Items…In the past three months have you… | Item-test correlation | Item-rest correlation | Alpha if item deleted |
|---|---|---|---|
| Oral health sub-scale (Alpha = 0.59) | |||
| 1. Had pain in your teeth or toothache | 0.65 | 0.38 | 0.47 |
| 2. Had bleeding gums | 0.62 | 0.35 | 0.50 |
| 3. Had crooked teeth or spaces between your teeth | 0.59 | 0.30 | 0.52 |
| 4. Had discoloured teeth or spots on your teeth | 0.58 | 0.29 | 0.52 |
| 5. Had bad breath | 0.58 | 0.28 | 0.52 |
| Self - Image sub-scale (Alpha = 0.56) | |||
| 6. Felt that you were attractive | |||
| 7. Been confident because of your teeth and mouth | |||
| Social and emotional wellbeing Sub-scale (Alpha = 0.78) | |||
| 8. Been teased, bullied | 0.64 | 0.45 | 0.75 |
| 9. Been worried about what other people think | 0.72 | 0.56 | 0.73 |
| 10. Been unhappy or sad | 0.68 | 0.50 | 0.74 |
| 11. Avoided smiling or laughing | 0.71 | 0.54 | 0.73 |
| 12. Felt that you look different | 0.63 | 0.44 | 0.75 |
| 13. Felt worried or anxious | 0.74 | 0.59 | 0.72 |
| School performance sub-scale (Alpha = 0.50) | |||
| 14. Missed school for any reason because of your teeth | |||
| 15. Not wanted to speak/read out loud in class | |||
| Functional wellbeing sub-scale (Alpha = 0.56) | |||
| 16. Had difficulty eating foods you would like to eat | 0.72 | 0.42 | 0.41 |
| 17. Had trouble sleeping | 0.71 | 0.41 | 0.41 |
| 18. Had difficulty saying certain words | 0.61 | 0.26 | 0.55 |
| 19. Had difficulty keeping your teeth clean | 0.61 | 0.27 | 0.54 |
| Dental access sub-scale (Alpha = 0.81) | |||
| 20. Had a problem with getting dental care because the clinic or hospital is far | 0.85 | 0.72 | 0.73 |
| 21. Had a problem with getting dental care because my parents or caregivers are usually at work | 0.80 | 0.62 | 0.77 |
| 22. Had a problem with getting dental care because my family cannot afford | 0.82 | 0.67 | 0.75 |
| 23. Had a problem with getting dental care because the clinics are closed | 0.74 | 0.53 | 0.81 |
| Experience with dental care sub-scale (Alpha = 0.66) | |||
| 24. At the dental clinic, they do not take my teeth and mouth complaints seriously | 0.80 | 0.53 | 0.50 |
| 25. At the dental clinic, they do not address my teeth and mouth problems when I complain; instead, they focus on other issues | 0.83 | 0.56 | 0.45 |
| 26. Treatment of mouth and teeth problems is too painful | 0.71 | 0.356 | 0.72 |
| Coping sub-scale (Alpha = 0.60) | |||
| 27. If I have a problem with my teeth or mouth, I do not tell anybody | 0.71 | 0.33 | 0.59 |
| 28. I do nothing when I have pain in my mouth | 0.77 | 0.43 | 0.44 |
| 29. I do not know what to do when I have pain | 0.76 | 0.43 | 0.45 |
|
| |||
| Overall Cronbach-Alpha (for 29 items) | 0.88 | ||