Table 3 Associations between other related questions and knowledge, attitudes, and intentions

“Most” want to discuss your end-of-life wishes with whom

0.076

0.235

0.079

1.644

1.978

4.709^*

2.717

4.079^*

3.697^*

 None

2.13

0.69

1.44

44.87

45.63

42.38

35.44

16.81

9.98

 Healthcare professionals

2.59

0.86

1.73

46.09

49.14

48.27

40.58

19.70

12.21

 Family member

2.39

0.67

1.72

48.06

44.79

45.38

38.94

19.88

10.56

 Post Hoc

2 > 1

3 > 1

Most” prefer to undergo Advance Care Planning (ACP) at which time

1.278

1.735

0.953

1.091

1.785

4.214^**

1.675

1.285

1.812

 When health

2.46

0.74

1.72

47.51

43.84

44.38

38.79

19.87

10.84

 When kidney function starts to decline

1.53

0.42

1.11

45.95

46.40

42.84

36.26

18.45

9.47

 When kidney function deteriorates and requires dialysis

1.45

0.36

1.09

47.45

45.45

46.45

39.45

19.07

10.82

 When other severe complications start to arise

3.71

1.21

2.50

48.46

47.86

49.07

41.29

20.53

11.63

 When in a life-threatening situation

2.00

0.44

1.56

42.88

50.89

46.51

40.78

17.78

11.74

 Post Hoc

4 > 1, 2

Believe that Advance Care Planning (ACP) should be initiated by whom “most”?

8.660^***

6.643^**

8.973^***

1.100

1.138

3.294^*

2.437

2.390

1.266

 Patient himself/herself

3.84

1.06

2.78

47.84

45.64

46.46

40.46

20.36

11.08

 Nephrologist

1.19

0.33

0.87

46.98

45.14

44.34

37.65

18.72

10.50

 Others

2.13

1.00

1.13

43.63

50.25

49.01

38.86

19.84

12.00

 Post Hoc

1 > 2

1 > 2

1 > 2

Whom do you want to designate as your healthcare proxy?^t

 Spouse

0.317

-0.776

0.796

0.665

0.379

1.196

0.938

-1.119

0.698

  Yes

2.43

0.63

1.81

47.46

46.01

46.02

39.31

19.11

10.97

  No

2.23

0.79

1.44

46.58

45.39

44.74

38.17

19.91

10.61

 Children

-1.122

-1.153

-1.031

-0.863

1.708

0.267

-0.774

1.215

-0.751

  Yes

1.98

0.58

1.41

46.50

47.12

45.60

38.34

19.90

10.62

  No

2.69

0.82

1.88

47.63

44.38

45.32

39.27

19.04

11.00

 Siblings

1.863

1.315

2.019

3.175^**

-2.253^*

3.737^**

2.864^**

1.827

0.470

  Yes

4.18

1.12

3.06

52.24

41.14

49.29

43.11

21.12

11.12

  No

2.06

0.63

1.43

46.28

46.44

44.88

38.15

19.22

10.76

 Friend

1.055

0.977

1.019

0.082

-1.203

9.775^***

0.040

-0.340

0.584

  Yes

5.00

1.50

3.50

47.50

38.00

52.50

39.00

18.50

12.00

  No

2.30

0.69

1.61

47.06

45.86

45.35

38.80

19.48

10.79

 Others

-2.165^*

-0.812

-2.657^*

-2.131^*

0.086

-1.970

-2.637^**

-2.066^*

-0.297

  Yes

1.00

0.47

0.53

43.27

45.93

42.60

34.53

17.47

10.60

  No

2.52

0.73

1.79

47.57

45.71

45.83

39.37

19.73

10.84

How much are you willing to pay out-of-pocket for participating in Advance Care Planning (ACP)? (US dollars)

0.673

0.492

0.997

4.514^**

1.715

4.123^**

2.640^*

1.248

2.283

 33

2.14

0.69

1.45

45.82

45.38

44.15

37.88

19.18

10.31

 66

3.78

1.00

2.78

53.44

44.44

49.00

42.10

21.78

11.33

 99

2.92

0.92

2.00

51.15

46.28

50.38

42.46

20.92

12.69

 165

5.00

1.50

3.50

49.50

32.00

52.00

45.00

20.87

9.00

 197

3.00

1.00

2.00

35.00

57.00

49.00

37.00

18.00

14.69

 263

4.00

0.00

4.00

58.00

36.17

46.00

47.92

22.00

10.50

 Post Hoc

Believe that the “Advance Care Planning (ACP) consultation fees” should be paid by whom:

4.684^**

5.241^**

3.830^**

0.727

1.666

3.725^**

1.407

3.947^**

3.338^*

 Pay in full by oneself

4.18

1.36

2.82

48.00

41.82

49.18

38.45

21.00

8.73

 Fully covered by National Health Insurance

1.98

0.56

1.42

46.61

45.56

43.72

38.04

18.74

10.34

 Fully subsidized by the government

0.69

0.14

0.55

45.89

47.28

45.14

38.30

18.53

11.71

 Fully funded by a charitable foundation

6.00

1.67

4.33

46.67

55.67

47.33

36.00

17.00

11.67

 Shared equally between oneself and relevant parties

3.74

1.22

2.52

49.00

44.98

47.87

41.48

21.70

11.62

 Post Hoc

5 > 2