Table 3 Exploratory Factor Analysis (EFA) 5 Factor Model Results

Preparatory/planning behavior

.91

 To know more about your risk of developing Alzheimer’s

0.78

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

0.63

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

0.67

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

0.62

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

0.80

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

0.92

 To prepare your family for your possible illness in the future

0.92

 A desire to start doing things sooner than you had planned

0.82

Psychological distress

.90

 How upset would you feel about your results?

0.90

 How sad would you feel about your results?

0.88

 How anxious or nervous would you feel about your results?

0.82

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

0.82

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

0.61

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

0.43

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

0.65

 How hopeless would you feel about the future?

0.61

Dementia risk-reducing behavior

.87

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

0.92

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

0.90

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

0.66

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

0.70

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

0.79

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

0.56

Subjective cognitive decline

.86

 Have more trouble concentrating on things, such as reading the newspaper or watching television?

0.73

 Have more trouble remembering things, such as recent conversations or events?

0.95

 Be less confident about your ability to carry out daily activities?

0.85

Stigma

.71

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

0.54

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

0.80

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

0.55

Model fit indices

 CFI

.91

 RMSEA

.06

 SRMR

.07