Table 2 Floor and ceiling effects and Exploratory Factor Analysis (principal component analysis with Direct Onlimin rotation) of the SCNS-HNC (n = 206)
Item | Lowest Score(%) | Highest Score(%) | Factor loading a | Communalities | ||
|---|---|---|---|---|---|---|
1 | 2 | 3 | ||||
HNC-specific functioning | ||||||
 1. Problems with chewing and or swallowing | 22.3 | 17.5 | 0.698 |  |  | 0.561 |
 2. Problems with dry mouth and/or sticky mucus | 11.2 | 22.8 | 0.639 |  |  | 0.598 |
 3. Problems with weight (underweight or overweight) | 24.3 | 8.7 | 0.754 |  |  | 0.580 |
 5. Difficulty speaking | 42.2 | 11.7 | 0.787 |  |  | 0.625 |
 6. Care of your stoma and/or voice prosthesis | 63.1 | 6.3 | 0.707 |  |  | 0.611 |
Lifestyle | ||||||
 10. Quit smoking | 63.6 | 7.3 |  | 0.988 |  | 0.945 |
 11. Quit drinking | 65.0 | 6.8 |  | 0.971 |  | 0.943 |
Lifestyle | ||||||
 Nutrition, oral hygiene and mobility of shoulder or neck | ||||||
  4. To be informed on nutrition | 8.3 | 35.4 |  |  | 0.826 | 0.699 |
  8. Oral hygiene | 12.6 | 29.1 |  |  | 0.825 | 0.772 |
  9. Problems with mobility of neck or shoulders | 33.5 | 14.6 |  |  | 0.441 | 0.491 |
  7. Problems with hearing b | 44.7 | 6.8 |  |  |  |  |
Eigenvalue | Â | Â | 3.938 | 1.757 | 1.132 | 6.827 |
Variance (%) | Â | Â | 39.378 | 17.566 | 11.323 | 68.266 |
KMO = 0.750, Bartlett’s Chi-Square = 987.630*** | ||||||