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. 2024 Jul 28;39(9):2010–2020. doi: 10.1093/humrep/deae147

Table 1.

Outcome measures.

Measure and reference Items Scale/responses and coding instructions
Interest in getting an AMH test Now that you have read the information, are you interested in getting an AMH test? Seven-point scale (1 = definitely NOT interested to 7 = definitely interested)
Intention to discuss the AMH test with doctor1 After reading this information, would you talk to your doctor about getting an AMH test?

  1. Yes

  2. No

  3. Don’t know

Intention2 Which of the following best describes your intentions to get an AMH test? Five-point scale (1 = I definitely will NOT get a AMH test to 5 = I definitely will get an AMH test)
Attitudes3

  1. How beneficial does an AMH test seem to you?

  2. How harmful does getting an AMH test seem to you? [R]

  3. Do you believe that getting an AMH test will give you important information about your fertility?

  4. Do you believe that getting an AMH test will give you reliable information about your fertility?

  • Seven-point scale (1 = not at all to 7 = extremely)

  • Items averaged to create composite score.
Knowledge4 Please indicate whether you think the statements below about the AMH test are true or false

  1. The AMH level is an indication of the number of eggs in the ovaries (T)

  2. The AMH level is an indication of the quality of the eggs in the ovaries (F)

  3. The AMH test can reliably predict fertility (likelihood of conceiving) (F)

  4. The AMH test can reliably predict age of menopause (F)

  5. Oral contraception use does not affect AMH results (F)

  1. True

  2. False

  3. Don’t know

Responses dichotomized into 0 = incorrect or 1 = correct, then summed to create total knowledge score (range 0–5).
The Berlin Emotional Responses to Risk Instrument5 How did you feel when you read the information about the AMH test?

  1. Assured

  2. Hopeful

  3. Relieved

  4. Anxious

  5. Afraid

  6. Worried

  • Seven-point scale (1 = not at all to 7 = extremely)

  • Items 1–3 averaged to create composite score of positive responses; Items 4–6 averaged to create composite score of negative responses.
Worry about fertility1 How worried are you about your chance of getting pregnant?

  1. Not worried at all

  2. A bit worried

  3. Quite worried

  4. Very worried

Anticipated psychological reaction of getting an AMH test6 Getting an AMH test would make me feel:

  1. Empowered

  2. Anxious [R]

  3. Worried [R]

  4. Reassured

  5. More in control

  6. Pressured, urgency to act [R]

  7. Better prepared

  8. Confused about what to do [R]

  • Five-point scale (1 = strongly disagree to 5 = strongly agree)

  • Items averaged to create composite score.
Anticipated impact on family planning7

  1. Do you think getting a low AMH result (indicating you are likely to have a lower number of eggs) would influence your decision on when to start a family?

  2. (if yes) how would it influence your decision on when to start a family?

  3. Do you think getting a normal or high AMH result (indicating you are likely to have a normal or high number of eggs) would influence your decision on when to start a family?

  4. (if yes) how would it influence your decision on when to start a family?

  1. Yes

  2. No

  3. Unsure

  
Dichotomized into ‘yes’ vs ‘unsure’/‘no’. (If yes)

  1. I would bring forward plans to start a family/try and conceive

  2. I would push back plans to start a family/try and conceive

  3. I would reconsider my decision to start a family/try and conceive

  4. I would consider elective egg freezing

  5. Other (please specify)
Information satisfaction Please indicate how you felt about the AMH information on the five-point scale:
The information was…

  1. Comprehensive

  2. Trustworthy

  3. Balanced

  4. Clear and easy to understand

 Five-point scale (1 = strongly disagree to 5 = strongly agree)

[R], reverse scored; (T), true; (F), false.

1

Adapted from Dolan et al., JAMA Network Open 2022; 5: e2216784.

2

Adapted from Pickles et al., PLoS One 2020; 15: e0227304.

3

Adapted from Scherer et al., Journal of Experimental Psychology: Applied 2019; 25: 149.

4

Adapted from Slater et al., Australian Journal of General Practice 2022; 51: 611–619.

5

Petrova et al., Risk Analysis 2023; 43: 724–746.

6

Adapted from Vakkas et al., ASPOG2023, Adelaide, Australia.

7

Adapted from Evans et al., Aust J Prim Health 2018; 24: 428–433.