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Research Article
Fernández Alvarez Maria del Mar
University of Oviedo: Universidad de Oviedo
Corresponding Author
ORCiD: https://orcid.org/0000-0003-4603-2289
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Objective
The aim of this study was to develop a measurement instrument for assessing knowledge of breast cancer and perceived risk of developing the disease (MARA).
Methods
641 women with a mean age of 36.19 years (SD = 7.49) was used. Data collection took place during 2019 and included sociodemographic data, data on history of cancer and breast cancer and perceived risk and feelings of concern about developing breast cancer. Internal consistency, test-retest reliability, convergent validity, and structural validity were tested.
Results
The questionnaire items comprise 4 subscales: risk factors; signs and symptoms; perceived risk; barriers. A factor analysis revealed that the first two subscales had two dimensions each, whereas the other two subscales had one dimension each. Each subscale was shown to have adequate reliability (α = 0.74–0.92) and temporal stability (r = 0.201–0.906), as well as strong evidence of validity in relation to a questionnaire on breast cancer knowledge (r = 0.131–0.434). In addition, the subscales were shown to have high discriminatory power in terms of the presence or absence of a history of cancer or breast cancer, perceived risk, and feelings of concern.
Conclusion
The MARA questionnaire exhibits adequate psychometric properties for assessing knowledge of breast cancer as required in research and professional contexts.
Keywords
Breast Neoplasm, Education, Health Promotion, Female cancers, Patient Education, Prevention
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CURRENT STATUS: Published
View the published article at Cancer Causes & Control.
Version 1
Posted 18 Feb, 2021
No community comments so far
Reviews received
Received 17 Feb, 2021
Reviewers invited
Invitations sent on 16 Feb, 2021
Editor invited
On 15 Feb, 2021
First submitted
On 27 Jan, 2021
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A new preprint design is coming!
We have improved readability, clarity, accessibility, and opportunities for engagement.
See the published version of this preprint at Cancer Causes & Control.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
Fernández Alvarez Maria del Mar
University of Oviedo: Universidad de Oviedo
Corresponding Author
ORCiD: https://orcid.org/0000-0003-4603-2289
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at Cancer Causes & Control.
Version 1
Posted 18 Feb, 2021
No community comments so far
Reviews received
Received 17 Feb, 2021
Reviewers invited
Invitations sent on 16 Feb, 2021
Editor invited
On 15 Feb, 2021
First submitted
On 27 Jan, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at Cancer Causes & Control.
Objective
The aim of this study was to develop a measurement instrument for assessing knowledge of breast cancer and perceived risk of developing the disease (MARA).
Methods
641 women with a mean age of 36.19 years (SD = 7.49) was used. Data collection took place during 2019 and included sociodemographic data, data on history of cancer and breast cancer and perceived risk and feelings of concern about developing breast cancer. Internal consistency, test-retest reliability, convergent validity, and structural validity were tested.
Results
The questionnaire items comprise 4 subscales: risk factors; signs and symptoms; perceived risk; barriers. A factor analysis revealed that the first two subscales had two dimensions each, whereas the other two subscales had one dimension each. Each subscale was shown to have adequate reliability (α = 0.74–0.92) and temporal stability (r = 0.201–0.906), as well as strong evidence of validity in relation to a questionnaire on breast cancer knowledge (r = 0.131–0.434). In addition, the subscales were shown to have high discriminatory power in terms of the presence or absence of a history of cancer or breast cancer, perceived risk, and feelings of concern.
Conclusion
The MARA questionnaire exhibits adequate psychometric properties for assessing knowledge of breast cancer as required in research and professional contexts.
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