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Table 3 Factor analysis of the Advance Care Planning Questionnaire

From: The development and validation of the advance care planning questionnaire in Malaysia

Original domain (no. of items)

New domains (no. of items)

Item

Factor loadings

Average variance extracted

Composite reliability

Keiser-Meir-Olkin

1

2

3

4

Feelings regarding advance care planning (5) (n = 230)

Feelings regarding advance care planning (5)

Felt better to have expressed wishes in advance if I had a heart attack or on a breathing machine

0.972

   

0.915

0.999

0.889

Felt better to have expressed wishes in advance if I had severe dementia

0.961

   

Felt better to have expressed wishes in advance if I had a stroke

0.959

   

Felt better to have expressed wishes in advance if I had cancer

0.952

   

Felt better to have expressed wishes in advance if I had a road accident or in a coma

0.943

   

Justifications for advance care planning (7) (n = 179)

Justifications for advance care planning (4)

I hope to not burden my family with my medical treatment preferences

 

0.804

  

0.597

0.978

0.751

I want to be able to make my own decision

 

0.797

  

I am aware that I could possibly lose my decision making power as a result of becoming seriously ill or injured

 

0.773

  

There may be differences in opinions between my family members

 

0.713

  

Justifications for not having advance care planning (10) (n = 55)

Fate and religion (4)

I believed that planning for my death would mean there is no hope for me

  

0.846

 

0.624

0.895

0.723

I believed that the discussion of the topic of death was seen as “unlucky” and I tried to avoid discussing about it

  

0.830

 

I will take it as it comes, as I have no control over my death

  

0.759

 

I felt that it was best to leave to fate or to God

  

0.733

 

Avoid thinking about death (3)

I do not want to think I will die or lose my memory

   

0.894

0.607

0.840

0.547

I cannot imagine myself in such a situation

   

0.850

I am currently healthy and there is no need to consider such decisions

   

0.549