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Table 2 Anticipated reactions to AD biomarker disclosure

From: Anticipated reactions to learning Alzheimer’s disease biomarker results

Item

Not at all [1]

N (%)

A little [2]

N (%)

Somewhat [3]

N (%)

Very [4]

N (%)

Extremely [5]

N (%)

Mean (SD)

Prompt: I’m going to tell you some reasons why someone might want to learn their brain marker results. Please rate how important each of these are to you, as a reason to learn your brain marker results

 To know more about your risk of developing Alzheimer’s

18 (5.4)

27 (8.2)

55 (16.6)

91 (27.5)

140 (42.3)

3.93 (1.2)

 To inform lifestyle changes you might make, such as diet or exercise that might help prevent Alzheimer’s

9 (2.7)

10 (3.0)

38 (11.4)

105 (31.4)

172 (51.5)

4.26 (1.0)

 To put your mind at ease if you found out your brain marker results did not indicate a higher risk for developing Alzheimer’s

15 (4.5)

11 (3.3)

41 (12.3)

115 (34.4)

152 (45.5)

4.13 (1.0)

 To be able to participate in clinical trials attempting to lower brain marker results

13 (3.9)

16 (4.8)

68 (20.5)

126 (38.0)

109 (32.8)

3.91 (1.0)

 To arrange your personal affairs, such as insurance, your will, or your finances

32 (9.6)

21 (6.3)

69 (20.7)

94 (28.1)

118 (35.3)

3.73 (1.3)

 To confirm the feeling that you might already be developing symptoms of Alzheimer’s

28 (8.4)

24 (7.2)

61 (18.3)

105 (31.5)

115 (34.5)

3.77 (1.2)

 To prepare your family for your possible illness in the future

18 (5.4)

16 (4.8)

54 (16.2)

108 (32.3)

138 (41.3)

3.99 (1.1)

 A desire to start doing things sooner than you had planned

24 (7.2)

21 (6.3)

65 (19.5)

121 (36.2)

103 (30.8)

3.77 (1.2)

Prompt: I want you to imagine that you participated in a study and were told that your brain marker results were high. While these results do not necessarily mean you will develop Alzheimer’s, it means you have a higher risk of developing Alzheimer’s. If you learned that your brain marker results were high and you were at higher risk of developing Alzheimer’s…

 How upset would you feel about your results?

25 (7.5)

50 (15)

125 (37.5)

82 (24.6)

51 (15.3)

3.25 (1.1)

 How sad would you feel about your results?

12 (3.6)

50 (15)

125 (37.5)

87 (26.1)

59 (17.7)

3.39 (1.1)

 How anxious or nervous would you feel about your results?

28 (8.4)

49 (14.7)

126 (37.8)

88 (26.4)

42 (12.6)

3.20 (1.1)

 How relieved would you feel about your results?

96 (29.1)

43 (13.0)

83 (25.2)

72 (21.8)

36 (10.9)

2.72 (1.4)

 How happy would you feel about your results?

202 (61.2)

27 (8.2)

47 (14.2)

30 (9.1)

24 (7.3)

1.93 (1.3)

 How worried would you be about your risk of developing Alzheimer’s?

18 (5.4)

49 (14.7)

120 (35.9)

94 (28.1)

53 (15.9)

3.34 (1.1)

 How uncertain would you be about what your results mean about your risk of developing Alzheimer’s?

31 (9.3)

49 (14.8)

156 (47.0)

76 (22.9)

20 (6.0)

3.02 (1.0)

 How uncertain would you be about what your results mean for your children or family’s risk of Alzheimer’s?

31 (9.3)

34 (10.2)

105 (31.6)

108 (32.5)

54 (16.3)

3.36 (1.2)

 How frustrated would you feel about there being no definite Alzheimer’s prevention guidelines for you?

40 (12.0)

56 (16.8)

90 (27.0)

89 (26.7)

58 (17.4)

3.21 (1.3)

 How hopeless would you feel about the future?

89 (26.6)

73 (21.9)

112 (33.5)

39 (11.7)

21 (6.3)

2.49 (1.2)

 How concerned would you feel about how your results might affect your insurance status?

81 (24.3)

29 (8.7)

92 (27.7)

79 (23.8)

51 (15.4)

2.97 (1.4)

 How concerned would you feel about the possibility that your doctor might learn the results and treat you differently?

145 (43.5)

49 (14.7)

65 (19.5)

46 (13.8)

28 (8.4)

2.29 (1.4)

 How concerned would you be that if others, such as family, friends, or co-workers, learned the results, they would act differently toward you?

87 (26.0)

57 (17.1)

107 (32.0)

55 (16.5)

28 (8.4)

2.64 (1.3)

 How likely would you be to tell a loved one your results?

11 (3.3)

16 (4.8)

44 (13.2)

130 (38.9)

133 (39.8)

4.07 (1.0)

 How difficult would it be to talk about your results with family members?

142 (42.6)

57 (17.1)

80 (24.0)

44 (13.2)

10 (3.0)

2.17 (1.2)

 How supportive do you feel that your family would be?

2 (0.6)

4 (1.2)

23 (6.9)

138 (41.6)

165 (49.7)

4.39 (0.7)

 How likely is it that you would feel a loss of personal control?

38 (11.4)

49 (14.8)

117 (35.2)

80 (24.1)

48 (14.5)

3.15 (1.2)

 How likely is it that you would have problems enjoying life because of your results?

104 (31.1)

77 (23.1)

96 (28.8)

38 (11.4)

18 (5.4)

2.37 (1.2)

 How likely is it that you would regret getting your results?

169 (50.8)

54 (16.2)

66 (19.8)

34 (10.2)

10 (3.0)

1.98 (1.2)

 How likely is it that you would feel bad about yourself, or that you are a failure or have let yourself or your family down?

242 (72.9)

52 (15.7)

21 (6.3)

9 (2.7)

8 (2.4)

1.46 (0.9)

 How likely is it that you would have thoughts that you would be better off dead or consider hurting yourself in some way?

272 (82.2)

30 (9.1)

17 (5.1)

5 (1.5)

7 (2.1)

1.32 (0.8)

 How likely is it that you would seek mental health services?

56 (16.9)

53 (16.0)

84 (25.3)

84 (25.3)

55 (16.6)

3.09 (1.3)

 How likely is it that you would have more trouble concentrating on things, such as reading the newspaper or watching television?

124 (37.5)

66 (19.9)

96 (29.0)

30 (9.1)

15 (4.5)

2.23 (1.2)

 How likely is it that you would have more trouble remembering things, such as recent conversations or events?

116 (35.2)

61 (18.5)

91 (27.2)

41 (12.4)

21 (6.4)

2.36 (1.3)

 How likely is it that you would be less confident about your ability to carry out daily activities?

99 (29.6)

71 (21.3)

120 (35.9)

30 (9.0)

14 (4.2)

2.37 (1.1)

 How likely is it that you would view the length of time you have to live differently?

56 (16.8)

33 (9.9)

89 (26.7)

97 (29.1)

58 (17.4)

3.20 (1.3)

 How likely would you be to make changes to your diet?

12 (3.6)

13 (3.9)

43 (12.9)

12 (38.0)

139 (41.6)

4.10 (1.0)

 How likely would you be to exercise or do more physical activity?

15 (4.5)

19 (5.8)

36 (10.9)

130 (39.4)

130 (39.4)

4.03 (1.1)

 How likely would you be to make changes to your medications?

38 (11.6)

18 (5.5)

67 (20.4)

105 (31.9)

101 (30.7)

3.65 (1.3)

 How likely would you be to make changes to or start taking vitamins or herbal supplements?

41 (12.3)

17 (5.1)

60 (18.0)

117 (35.1)

98 (29.4)

3.64 (1.3)

 How likely would you be to engage in activities to reduce stress?

14 (4.2)

17 (5.1)

40 (12.0)

147 (44.0)

116 (34.7)

4.00 (1.0)

 How likely would you be to engage in mental or cognitive activities such as crossword puzzles or Sudoku?

13 (3.9)

14 (4.2)

35 (10.5)

147 (44.0)

125 (37.4)

4.07 (1.0)

 How likely would you be to reduce or eliminate alcohol intake?

34 (11.3)

13 (4.3)

49 (16.2)

102 (33.8)

104 (34.4)

3.76 (1.3)

  1. Footnote: Although the response is an ordinal scale, the level indicated by each response category can be considered approximately as an interval scale