Table 7 Psychometric properties of the pre-dialysis Starting Dialysis Questionnaire
Patients (n = 83) | Partners (n = 83) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Skew | Kurtosis | Item-domain correlation | Alpha (α) if item removed | Alpha (α) | Mean | SD | Skew | Kurtosis | Item-domain correlation | Alpha (α) if item removed | Alpha (α) | ||
Expectations | 3.35 | 0.67 | 0.31 | 0.23 | 0.90 | 3.17 | 0.48 | 0.00 | 0.00 | .86 | |||||
1. | In 6 weeks, what do you think your quality of life will be like? | 3.29 | 0.69 | 0.09 | 0.45 | 0.77 | 0.88 | 3.06 | 0.50 | 0.63* | 0.00 | 0.65 | 0.84 | ||
2. | In 6 weeks, what do you think your physical health will be like? | 3.27 | 0.71 | 0.42 | 0.87* | 0.75 | 0.88 | 3.07 | 0.49 | 0.00 | 0.00 | 0.56 | 0.85 | ||
3. | In 6 weeks, what do you think your emotional health will be like? | 3.23 | 0.80 | 0.53* | 0.37 | 0.72 | 0.88 | 3.02 | 0.54 | 0.06 | 0.01 | 0.79 | 0.82 | ||
4. | In 12 weeks, what do you think your quality of life will be like? | 3.43 | 1.02 | 0.75* | 0.00 | 0.87 | 0.86 | 3.24 | 0.79 | 0.00 | 0.22 | 0.83 | 0.80 | ||
5. | In 12 weeks, what do you think your physical health will be like? | 3.35 | 0.99 | 0.62* | 0.00 | 0.81 | 0.87 | 3.13 | 0.68 | 0.00 | 0.00 | 0.77 | 0.82 | ||
6. | In 12 weeks, what do you think your emotional health will be like? | 3.33 | 0.94 | 0.33 | 0.62* | 0.78 | 0.88 | 3.15 | 0.80 | 0.00 | 0.06 | 0.78 | 0.81 | ||
7. | How would you rate your expectations of dialysis? | 3.48 | 0.69 | 0.07 | 0.74* | 0.25~ | 0.93^ | 3.50 | 0.71 | 0.00 | 0.08 | 0.15~ | 0.90^ | ||
Accepting dialysis | 3.29 | 0.61 | 0.46 | .05 | 0.75 | 3.41 | 0.67 | 0.22 | 0.66* | 0.81 | |||||
10. | How much have you come to terms with starting dialysis? | 3.35 | 1.15 | 0.95* | 0.04 | 0.62 | 0.68 | 3.78 | 1.04 | 0.28 | 0.01 | 0.70 | 0.77 | ||
11. | To what extent do you think you will be able to carry on with your daily life when you start dialysis? | 3.26 | 0.75 | 0.32 | 0.12 | 0.55 | 0.71 | 3.30 | 0.83 | 0.73* | 0.21 | 0.49 | 0.80 | ||
12. | How much do you think you will be bothered by dialysis? | 3.05 | 0.87 | 0.01 | 0.62* | 0.67 | 0.68 | 3.20 | 0.99 | 0.26 | 0.59* | 0.48 | 0.80 | ||
13. | How bothersome do you expect dialysis to be for your partner? | 3.04 | 0.95 | 0.86* | 0.84* | 0.22~ | 0.77^ | 2.70 | 0.98 | 0.00 | 0.25 | 0.61 | 0.77 | ||
14. | To what extent do you think you will have the control of dialysis that you would like? | 3.14 | 1.02 | 0.82* | 0.38 | 0.30~ | 0.76^ | 3.32 | 1.02 | 0.48 | 0.04 | 0.49 | 0.80 | ||
15. | How satisfied are you that dialysis is the best option for you at this time? | 4.02 | 0.79 | 0.00 | 0.01 | 0.43 | 0.73 | 4.28 | 0.69 | 0.02 | 0.49 | 0.44 | 0.80 | ||
16. | How bothered would you be if dialysis became a long-term treatment for your kidney disease? | 3.18 | 1.19 | 0.86* | 0.02 | 0.55 | 0.70 | 3.28 | 1.25 | 0.79* | 0.00 | 0.65 | 0.77 | ||
Dyadic relationship characteristics | 3.95 | .06 | 0.03 | 0.58 | 0.92 | 3.85 | 0.59 | 0.08 | 0.64* | 0.90 | |||||
17. | How much do you expect that your partner will be involved in your dialysis? | 3.58 | 1.03 | 0.48 | 0.03 | 0.57 | 0.91 | 3.93 | 0.89 | 0.13 | 0.14 | 0.46 | 0.90 | ||
18. | How much do you think your partner’s involvement in your dialysis will match your needs? | 3.89 | 0.94 | 0.01 | 0.62 | 0.62 | 0.91 | 3.94 | 0.97 | 0.02 | 0.87* | 0.54 | 0.90 | ||
19. | How much do you expect dialysis will change your role in the relationship? | 3.78 | 1.09 | 0.05 | 0.20 | 0.13~ | 0.93^ | 3.76 | 1.11 | 0.03 | 0.19 | 0.34~ | 0.90 | ||
20. | How much do you think you and your partner will act as a team when it comes to handling your dialysis? | 4.16 | 0.87 | .00 | 0.06 | 0.74 | 0.91 | 4.12 | 1.08 | 0.00 | 0.03 | 0.53 | 0.89 | ||
21. | How much do you think that you and your partner will be “on the same page” (share similar views) about dialysis? | 4.0 | 0.87 | 0.19 | 0.01 | 0.72 | 0.91 | 4.11 | 0.86 | 0.01 | 0.84* | 0.57 | 0.90 | ||
22. | How positive do you think you will be about dialysis? | 3.88 | 0.85 | 0.61* | 0.01 | 0.60 | 0.91 | 4.20 | 0.75 | 0.05 | 0.45 | 0.40~ | 0.90 | ||
23. | How positive do you think your partner will be about dialysis? | 3.94 | 0.93 | 0.17 | 0.01 | 0.66 | 0.91 | 3.78 | 0.94 | 0.17 | 0.06 | 0.58 | 0.90 | ||
24. | How well do you think you will be able to express your feelings about dialysis to your partner? | 4.12 | 1.00 | 0.00 | 0.79* | 0.71 | 0.91 | 3.95 | 1.04 | 0.00 | 0.53* | 0.68 | 0.89 | ||
25. | How comfortable do you think you will be discussing issues related to dialysis with your partner? | 4.30 | 0.87 | 0.00 | 0.36 | 0.70 | 0.91 | 4.24 | 0.90 | 0.00 | 0.07 | 0.69 | 0.89 | ||
26. | How comfortable do you think your partner will be to talk about dialysis-related issues? | 4.20 | 0.87 | 0.01 | 0.46 | 0.71 | 0.91 | 4.00 | 1.16 | 0.00 | 0.38 | 0.80 | 0.89 | ||
27. | How willing do you think your partner will be to share his/her feelings about dialysis with you? | 3.98 | 1.06 | 0.01 | 0.32 | 0.73 | 0.91 | 3.98 | 1.20 | 0.00 | 0.49 | 0.76 | 0.89 | ||
28. | How much do you think that your partner will listen to your views on dialysis related topics? | 4.20 | 0.88 | 0.01 | 0.31 | 0.74 | 0.91 | 3.88 | 0.86 | .99* | 0.00 | 0.49 | 0.90 | ||
29. | Partner only@@How often do you think you will you get time for yourself once dialysis starts? | – | – | – | – | – | – | 3.00 | 0.78 | 0.21 | 0.31 | 0.38~ | 0.90 | ||
30. | How often do you think you will feel lonely because of dialysis? | 3.80 | 0.81 | 0.07 | 0.17 | 0.56 | 0.91 | 3.60 | 1.05 | 0.20 | 0.24 | 0.57 | 0.90 | ||
31. | How often do you think you will feel isolated because of dialysis? | 3.70 | 0.91 | 0.08 | 0.88* | 0.49 | 0.92 | 3.67 | 1.00 | 0.10 | 0.83* | 0.51 | 0.90 | ||
32. | How often do you think that you and your partner will do activities you enjoy together? | 3.27 | 1.04 | 0.24 | 0.03 | 0.59 | 0.91 | 3.04 | 0.86 | 0.01 | 0.47 | 0.52 | 0.90 | ||
33. | How often do you expect that you and your partner will be able to find humour in small things or have a laugh? | 3.91 | 0.96 | 0.19 | 0.00 | 0.55 | 0.91 | 3.73 | 1.06 | 0.21 | 0.18 | 0.53 | 0.90 | ||
34. | How satisfied are you with your relationship? | 4.43 | 0.87 | 0.00 | 0.08 | 0.54 | 0.93^ | 4.38 | 0.73 | 0.00 | 0.56* | 0.53 | 0.90 | ||