Table 3 Reliability of the Malay Advance Care Planning Questionnaire (ACPQ-M)
From: Validation of the psychometric properties of the Malay advance care planning questionnaire
New domains (no. of items) | Items | Cronbach alpha | Corrected item total correlation | Cronbach alpha if item deleted | Cohen’s kappa (quadratic weighted) |
|---|---|---|---|---|---|
Feelings regarding advance care planning [5] (n = 157) | Felt better to have expressed wished in advance if I had a heart attack or on a breathing machine | 0.947 | 0.890 | 0.928 | 0.613 |
Felt better to have expressed wished in advance if I had severe dementia | 0.866 | 0.932 | 0.639 | ||
Felt better to have expressed wished in advance if I had a stroke | 0.860 | 0.933 | 0.622 | ||
Felt better to have expressed wished in advance if I had a road accident or in a coma | 0.833 | 0.939 | 0.674 | ||
Felt better to have expressed wished in advance if I had cancer | 0.825 | 0.939 | 0.465 | ||
Justifications for advance care planning [4] (n = 149) | I am aware that I could possibly lose my decision-making power as a result of becoming seriously ill or injured | 0.688 | 0.536 | 0.556 | 0.444 |
I want to be able to make my own decision | 0.469 | 0.619 | 0.419 | ||
I hope to not burden my family with my medical treatment preferences | 0.447 | 0.514 | 0.477 | ||
There may be differences in opinions between my family members | 0.440 | 0.651 | 0.340 | ||
Justifications for not having advance care planning: Fate and religion [4] (n = 8) | I believed that planning for my death would mean there is no hope for me | 0.674 | 0.644 | 0.480 | 0.100 |
I will take it as it comes, as I have no control over my death | 0.535 | 0.551 | −0.043 | ||
I felt that it was best to leave to fate or to God | 0.448 | 0.622 | 0.467 | ||
I believed that the discussion of the topic of death was seen as “unlucky” and I tried to avoid discussing about it | 0.228 | 0.725 | 0.000 | ||
Justifications for not having advance care planning: Avoid thinking about death [3] (n = 8) | I do not want to think I will die or lose my memory | 0.862 | 0.788 | 0.761 | 0.333 |
I cannot imagine myself in such a situation | 0.724 | 0.823 | −0.200 | ||
I am currently healthy and there is no need to consider such decisions | 0.716 | 0.836 | 0.000 |