OIDP item | Urban (n = 508) | Rural (n = 512) | ||
---|---|---|---|---|
Corrected item total correlation | Alpha if item deleted | Corrected item total correlation | Alpha if item deleted | |
1. Eating | .46 | .81 | .62 | .91 |
2. Speaking | .54 | .77 | .70 | .89 |
3. Cleaning | .42 | .78 | .63 | .91 |
4. Sleeping | .64 | .75 | .77 | .89 |
5. Showing teeth | .56 | .76 | .63 | .90 |
6. Emotion | .64 | .75 | .82 | .89 |
7. Work | .51 | .77 | .78 | .89 |
8. Social contact | .59 | .77 | .79 | .89 |
Standardised Cronbach's Alpha | 0.83 | 0.90 |