Table 7 Item-total correlation of the twelve Factors
Domain | Factors | Item-total correlation (Min-Max) | Items numbers |
|---|---|---|---|
Work Station | Factor 1: Office equipment | 0.23 to 0.35 | 13.17.18.20 |
| Â | Factor 2: Computer position | 0.36 | 16.19 |
Body Posture | Factor 3: Head and body posture | 0.57 to 0.90 | 25.26.27.28. 29.30 |
| Â | Factor 4: Awkward body posture | 0.40 to 0.96 | 21. 22. 24. 32 |
Break Time | Factor 5: Autonomy | 0.23 to 0.47 | 50.51.54.55 |
| Â | Factor 6: Break quality | 0.43 to 0.62 | 47.48.52.53.56 |
Job Control | Factor 7: Skill discretion | 0.41 to 0.72 | 31.32.33.34.36 |
| Â | Factor 8: Decision authority | 0.44 to 0.53 | 35.38.39 |
Job Demands | Factor 9: Time pressure | 0.12 to 0.30 | 41.42.45. |
| Â | Factor 10: Task complexity | 0.49 to 0.56 | 40.43.46 |
Social Support | Factor 11:Social support | 0.85 to 0.88 | 70.71.72.73.74.75.76 |
| Â | Factor 12: Work flow | 0.71 to 0.97 | 65.66.67.68.69 |