Table 1 Weighted quadratic Kappa with confidence intervals (IC) and Cronbach’s Alpha by questions
During the last 4 weeks how much were you bothered by: | Kappa (IC) | Kappa (IC). highest value (four) instead of missing | Kappa (IC). smallest value (zero) instead of missing | Kappa (IC). Mean of individual score of the questions instead of missing | Cronbach’s alpha (n = 49) |
|---|---|---|---|---|---|
1. Headaches? | 0.67 (0.95 – 0.39) | 0.31 (0.57 – 0.03) | 0.67 (0.94 – 0.40) | 0.52 (0.79 – 0.25) | 0.9409 |
2. Dizziness or faintness? | 0.80 (1.00- 0.52) | 0.25 (0.52 – -0.02) | 0.80 (1.00 – 0.53) | 0.80 (1.00 – 0.53) | 0.9425 |
3. Pains in the heart or chest? | 0.42 (0.68 – 0.16) | 0.22 (0.49 – -0.05) | 0.41 (0.16 – 0.66) | 0.48 (0.75 – 0.21) | 0.9386 |
4. Pains in the lower back? | 0.61 (0.89 – 0.33) | 0.52 (0.79 – 0.25) | 0.62 (0.89 – 0.35) | 0.61 (0.88 – 0.34) | 0.9427 |
5. Nausea or upset in the stomach? | 0.80 (1.00 – 0.52) | 0.62 (0.89 – 0.35) | 0.80 (1.00 – 0.53) | 0.81 (1.00 – 0.54) | 0.9412 |
6. Soreness of your muscles? | 0.69 (0.97 – 0.41) | 0.71 (0.98 – 0.43) | 0.60 (0.87 – 0.33) | 0.67 (0.94 – 0.40) | 0.9395 |
7. Trouble getting your breath? | 0.77 (1.00 – 0.52) | 0.54 (0.76 – 0.32) | 0.77 (1.00 – 0.52) | 0.82 (1.00 – 0.28) | 0.9394 |
8. Hot or cold spells? | 0.69 (0.97 – 0.41) | 0.69 (0.96 – 0.42) | 0.69 (0.96 – 0.42) | 0.69 (0.96 – 0.42) | 0.9386 |
9. Numbness or tingling in parts of your body? | 0.54 (0.78 – 0.30) | 0.40 (0.62 – 0.18) | 0.54 (0.77 - 0.31) | 0.63 (0.90 – 0.36) | 0.9412 |
10. A lump in your throat? | 0.55 (0.82 – 0.30) | 0.42 (0.66 – 0.16) | 0.22 (0.47 – -0.03) | 0.67 (0.94 – 0.40) | 0.9388 |
11. Feeling weak in parts of your body? | 0.72 (0.99 – 0.45) | 0.50 (0.75 – 0.25) | 0.69 (0.94 – 0.44) | 0.71 (0.98 – 0.44) | 0.9392 |
12. Heavy feelings in your arms or legs? | 0.68 (0.95 – 0.41) | 0.57 (0.82 – 0.32) | 0.68 (0.93 – 0.43) | 0.63 (0.90 – 0.36) | 0.9389 |
13. Worries that there is something seriously wrong with your body? | 0.72 (1.00 – 0.44) | 0.52 (0.79 – 0.25) | 0.72 (0.99 – 0.45) | 0.69 (0.96 – 0.42) | 0.9375 |
14. Worries that you suffer a disease you have read or heard about? | 0.54 (0.82 – 0.26) | 0.38 (0.65 – 0.11) | 0.54 (0.81 – 0.27) | 0.52 (0.79 – 0.25) | 0.9402 |
15. Many different pains or aches? | 0.60 (0.88 – 0.32) | 0.47 (0.74 – 0.20) | 0.60 (0.87 – 0.33) | 0.45 (0.18 – 0.72) | 0.9379 |
16. Worries about the possibility of having a serious illness? | 0.71 (0.98 – 0.42) | 0.51 (0.78 – 0.24) | 0.71 (0.97 – 0.43) | 0.67 (0.94 – 0.40) | 0.9404 |
17. Many different symptoms? | 0.64 (0.90 – 0.38) | 0.38 (0.65 – 0.11) | 0.62 (0.89 – 0.37) | 0.61 (0.88 – 0.34) | 0.9396 |
18. Thoughts that the doctor may be wrong if telling you not to worry? | 0.58 (0.86 – 0.30) | 0.35 (0.62 – 0.08) | 0.58 (0.85 – 0.31) | 0.58 (0.85 – 0.31) | 0.9404 |
19. Worries about your health? | 0.69 (0.97 – 0.41) | 0.47 (0.74 – 0.20) | 0.69 (0.96 – 0.42) | 0.66 (0.93 – 0.39) | 0.9389 |
20. Recurrent thoughts about you having an illness that you have trouble getting out of you head? | 0.64 (0.90 – 0.38) | 0.43 (0.70 – 0.16) | 0.64 (0.91 – 0.37) | 0.65 (0.92 – 0.38) | 0.9399 |
21. Feeling suddenly scared for no reason? | 0.75 (1.00 – 0.47) | 0.50 (0.75 – 0.25) | 0.75 (1.00 – 0.48) | 0.73 (1.00 – 0.46) | 0.9393 |
22. Nervousness or shakiness inside? | 0.65 (0.93 – 0.37) | 0.65 (0.92 – 0.38) | 0.65 (0.92 – 0.38) | 0.65 (0.92 – 0.38) | 0.9376 |
23. Spells of terror or panic? | 0.73 (1.00 – 0.46) | 0.44 (0.71 – 0.17) | 0.73 (1.00 – 0.46) | 0.76 (1.00 – 0.49) | 0.9407 |
24. That you worry too much? | 0.84 (1.00 – 0.56) | 0.82 (1.00 – 0.55) | 0.78 (1.00 – 0.51) | 0.80 (1.00 – 0.55) | 0.9401 |
25. Feeling fearful? | 0.67 (0.95 – 0.39) | 0.67 (0.94 – 0.40) | 0.67 (0.94 – 0.40) | 0.67 (0.94 – 0.40) | 0.9388 |
26. Feeling hopeless about the future? | 0.84 (1.00 – 0.56) | 0.70 (0.97 – 0.43) | 0.84 (1.00 – 0.57) | 0.84 (1.00 – 0.57) | 0.9365 |
27. Feeling everything is an effort? | 0.70 (0.98 – 0.42) | 0.70 (0.97 – 0.43) | 0.66 (0.93 – 0.39) | 0.69 (0.96 – 0.42) | 0.9373 |
28. Feeling blue? | 0.73 (1.00 – 0.45) | 0.45 (0.72 – 0.18) | 0.73 (1.00 – 0.46) | 0.72 (0.99 – 0.45) | 0.9377 |
29. Feelings of worthlessness? | 0.84 (1.00 – 0.56) | 0.68 (0.95 – 0.41) | 0.84 (1.00 – 0.57) | 0.79 (1.00 – 0.52) | 0.9372 |
30. Thoughts of ending your life? | 0.97 (1.00 – 0.69) | 0.68 (0.95 – 0.41) | 0.97 (1.00 – 0.70) | 0.97 (1.00 – 0.70) | 0.9383 |
31. Feeling of being trapped or caught? | 0.98 (1.00 – 0.70) | 0.65 (0.92 – 0.38) | 0.95 (1.00 – 0.68) | 0.91 (1.00 – 0.64) | 0.9373 |
32. Feeling lonely? | 0.89 (1.00 – 0.60) | 0.67 (0.92 – 0.42) | 0.81 (1.00 – 0.54) | 0.78 (1.00 – 0.51) | 0.9376 |
33. Blaming yourself for things? | 0.75 (1.00 – 0.47) | 0.45 (0.72 – 0.15) | 0.75 (1.00 – 0.48) | 0.65 (0.92 – 0.38) | 0.9400 |
Within the last year, have you ever…… | |||||
34. Felt you ought to cut down on your drinking? | 0.89 (1.00 – 0.60)1 | 0.90 (1.00 – 0.63)1,2 | 0.89 (1.00 – 0.62)1,2 | 0.82 (1.00 – 0.59)1,4 | 0.9426 |
35. Been annoyed by people criticizing your drinking? | 11 | 0.85 (1.00 – 0.58)1,2 | 11,2 | 0.41 (0.55 – 0.27)1,4 | |
36. Felt bad or guilty about your drinking? | 0.79 (1.00 – 0.50) 1 | 0.63 (0.88 – 0.38)1,2 | 0.79 (1.00 – 0.52)1,2 | 0.47 (0.63 – 0.31)1,4 | 0.9415 |
37. Had a drink in the morning to steady your nerves or get rid of a hangover? | 11 | 0.79 (1.00 – 0.51)1,2 | 11,2 | 0.39 (0.53 – 0.25)1,4 | |
38. Overall, would you say your health is: | 0.56 (0.84 – 0.28) | 0.53 (0.80 – 0.26)3 | 0.56 (0.83 - 0.29)3 | 0.52 (0.79 – 0.25)5 | 0.9392 |