Table 3 Interview/advance directive related data of all participants and by group (n; mean; SD, range; median;%)

Interview length [min; mean; SD, range];

22:48 ± 9:50(11:37–1:03:10)

26:33 ± 12:40(12:31–1:03:10)

22:42 ± 7:21(15:31–46:46)

16:14 ± 5:47(11:37–32:50)

Median

19:12

23:54

20:54

16:11

Proxy appointed [n;%]

48 (91%)

19 (95%)

16 (94%)

13 (81%)

Of those: family member as appointed proxy [n;%]

43 (90%)

16 (84%)

15 (94%)

12 (92%)

Physician to be notified named in AD [n;%]

9 (17%)

3 (15%)

2 (12%)

4 (25%)

Date of completion of the AD previous to interview [months; mean; SD, range]

43 ± 48.0(3–300)

49 ± 34.7(7–116)

58 ± 68.0(4–300)

20 ± 25.3(3–84)

Median

34.0

41.5

49.0

5.5

Modification of AD since first completion [n;%]

13 (25%)

6 (30%)

4 (24%)

3 (19%)

Medical advice (physician) [n;%]

2 (4%)

0 (0%)

1 (6%)

1 (6%)

Advice by notary/lawyer [n;%]

8 (15%)

0 (0%)

4 (23%)

4 (25%)