Table 5 DIF Analyses by Asian: longitudinal data
Item no | Item content | Domain | Test of uniform DIF | Test of non-uniform DIF | ||
|---|---|---|---|---|---|---|
P-value (group effect) | "Favored" group | Odds Ratio | P-value (on Interaction term) | |||
eortc29 | 29. How would you rate your overall health during the past week? | Global | NS | NS | NS | NS |
eortc30 | 30. How would you rate your overall quality of life during the past week? | Global | NS | NS | NS | NS |
eortc01 | 1. Do you have any trouble doing strenuous activities, like carrying a heavy shopping bag or a suitcase? | Physical | p = .001 | Non-Asian | 0.43 | NS |
eortc02 | 2. Do you have any trouble taking a long walk? | Physical | p = .005 | Asian | 2.13 | NS |
eortc03 | 3. Do you have any trouble taking a short walk outside of the house? | Physical | NS | NS | NS | NS |
eortc04 | 4. Do you need to stay in bed or a chair during the day? | Physical | NS | NS | NS | NS |
eortc05 | 5. Do you need help with eating, dressing, washing yourself or using the toilet? | Physical | NS | NS | NS | NS |
eortc06 | 6. Were you limited in doing either your work or other daily activities? | Role | NS | NS | NS | NS |
eortc07 | 7. Were you limited in pursuing your hobbies or other leisure time activities? | Role | NS | NS | NS | NS |
eortc21 | 21. Did you feel tense? | Emotional | p = .001 | Non-Asian | 0.44 | p = .011 |
eortc22 | 22. Did you worry? | Emotional | NS | NS | NS | NS |
eortc23 | 23. Did you feel irritable? | Emotional | NS | NS | NS | p = .035 |
eortc24 | 24. Did you feel depressed? | Emotional | p < .001 | Asian | 3.21 | p < .001 |
eortc20 | 20. Have you had difficulty in concentrating on things, like reading a newspaper or watching television? | Cognitive | p = .001 | Non-Asian | 0.36 | NS |
eortc25 | 25. Have you had difficulty remembering things? | Cognitive | p < .001 | Asian | 3.53 | NS |
eortc26 | 26. Has your physical condition or medical treatment interfered with your family life? | Social | NS | NS | NS | NS |
eortc27 | 27. Has your physical condition or medical treatment interfered with your social activities? | Social | NS | NS | NS | NS |
eortc10 | 10. Did you need to rest? | Fatigue | NS | NS | NS | NS |
eortc12 | 12. Have you felt weak? | Fatigue | p = .002 | Asian | 2.20 | NS |
eortc18 | 18. Were you tired? | Fatigue | p = .001 | Non-Asian | 0.50 | NS |
eortc14 | 14. Have you felt nauseated? | Nausea | NS | NS | NS | NS |
eortc15 | 15. Have you vomited? | Nausea | NS | NS | NS | NS |
eortc09 | 9. Have you had pain? | Pain | NS | NS | NS | NS |
eortc19 | 19. Did pain interfere with your daily activities? | Pain | NS | NS | NS | NS |