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Table 2 Subscales, internal consistency, and factor item loadings

From: Men's values-based factors on prostate cancer risk genetic testing: A telephone survey

Factors / statements (internal consistency statistics)

Factor pattern loading

Motivation

 

Subscale 1: Motivation (alpha = 0.89, 37% variability)

 

   Even if other relatives did not want me to, I would get genetic testing.

0.80

   Even if my children did not want me to, I would get genetic testing.

0.77

   I would get genetic testing if my friends wanted me to.

0.73

   Even if my friends did not want me to, I would get genetic testing.

0.72

   I would get testing if other relatives wanted me to.

0.68

   Even if my wife or partner did not want me to, I would get genetic testing.

0.68

   Even if a genetic testing specialist recommended against it, I would get genetic testing.

0.60

   I would get testing if my children wanted me to.

0.59

   Even if my doctor recommended against it, I would get genetic testing.

0.57

   I would get testing if a genetic testing specialist recommended it.

0.46

   I would get testing if my wife or partner wanted me to.

0.43

Consequences

 

Subscale 2: Consequences and actions after knowing the test result (alpha = 0.73, 23% variability)

 

   I find that my concerns about getting prostate cancer interfere with my every day life. [R]

0.56

   I don't want testing unless there is a prostate cancer cure. [R]

0.54

   If I know I have the prostate cancer risk gene, it will make me feel guilty. [R]

0.53

   I'll have to make a quick treatment decision if I know I have the prostate cancer risk gene. [R]

0.52

   If I know I have the prostate cancer risk gene, I will make me want to end my life. [R]

0.51

   If I don't have the prostate cancer risk gene, I will be able to put my mind at rest about prostate cancer. [R]

0.51

   I don't want testing unless it can tell me whether I have prostate cancer now. [R]

0.49

   I would not want to have children if I know I have the prostate cancer risk gene. [R]

0.44

   I would want to put off testing as long as I can.

0.42

Distress

 

Subscale 3: Psychological distress (alpha = 0.73, 10% variability)

 

   I am concerned I will lose or not be able to get LIFE insurance if I get the genetic testing for prostate cancer risk. [R]

0.64

   If I know I have the prostate cancer risk gene, it will make me anxious. [R]

0.59

   I am concerned I will lose or not be able to get HEALTH insurance if I get the genetic testing for prostate cancer risk. [R]

0.57

   If I know I have the prostate cancer risk gene, I will feel worse about myself. [R]

0.46

   My life will get worse if I know I have the prostate cancer risk gene. [R]

0.46

   If I know I have the prostate cancer risk gene, it will change the way I think about the future.

0.45

Positive expectations

 

Subscale 4: Beliefs in favorable outcomes if tested (alpha = 0.60, 7% variability)

 

   I believe this test could save my life.

0.52

   The more I know about my risk for prostate cancer, the better I will feel about testing.

0.51

   The test results might provide valuable information on prostate cancer risk to my family members.

0.45

   If I know I have the prostate cancer risk gene, my doctor may want to do more tests.

0.42

Intent

 

Subscale 5: Intention (alpha = 0.79)

 

   I would want the genetic test for prostate cancer risk when it becomes available.

-

   I would want the test if it could tell me that prostate cancer is more likely to happen earlier in my life.

-

   I would want this test if it could tell me that prostate cancer is more likely to be more life threatening because I have the prostate cancer risk gene.

-

   I would want this test even if it does not tell me now information about how early or aggressive prostate cancer may be in my future.

-

[R] – Item reversed in coding for analysis

N.B. – Intent items were not included in the factor analysis, thus there are no available data on pattern loadings and variance.

The following factors did not load onto the four value-based factor domains, and were omitted from further analysis:

 

I want to wait on testing until it is shown to be very accurate.

I will not be able to keep my job, or get a promotion, if I know I have the prostate cancer risk gene.

If I know I have the prostate cancer risk gene, my doctor might pressure me to receive treatment.

Nothing can be done to prevent prostate cancer.

Changes in my lifestyle can reduce my risk of cancer.

I only want my family doctor to do this test for prostate cancer risk.

I don't want testing unless I can do something to prevent prostate cancer.

The government could use my test results in ways I do not want.

I often worry about getting prostate cancer

If I know I do not have the prostate cancer risk gene, I won't need rectal exams or PSA tests as often.

No matter my results, I would want testing if it helps find a cure.

I don't want the test if my health care coverage does not pay for it.

I would want to get tested because I just want to know if I have the gene for prostate

No one should give out my test results to anyone else without my permission.

I would get testing if my doctor recommended it.