The Functional Assessment of Cancer Therapy - Breast (FACT-B) is a 37-item instrument designed to measure five domains of HRQOL in breast cancer patients: Physical, social, emotional, functional well-being as well as a breast-cancer subscale (BCS). Utilized with the 27 core FACT-G items, the FACT-B was developed with an emphasis on patients’ values and brevity. Initial validation involved two patient samples. The first was tested twice over a 2-month period to assess sensitivity to change. Significant sensitivity to change in performance status rating (PSR) was demonstrated for the FACT-B total score, the Physical Well-Being (PWB) subscale, the Functional Well-Being (FWB) subscale, and the BCS. Sensitivity to change in QL as measured by the Functional Living Index-Cancer (FLIC) was documented in the FACT-B total score, PWB, FWB, and Emotional Well-Being (EWB). Additional validity and reliability data were obtained from a larger sample. The alpha coefficient (internal consistency) for the FACT-B total score was high (a = .90), with subscale alpha coefficients ranging from .63 to .86. Evidence supported test-retest reliability, as well as convergent, divergent, and known groups validity.
Functional Assessment of Cancer Therapy – Breast (FACT-B)
NUMBER OF ITEMS:
Breast cancer patients 18 years and older
Past 7 days
5 point Likert-type scale
Paper and electronic
Self-administration and interview when applicable
Physical Well-Being, Social/Family Well-Being, Emotional Well-Being, Functional Well-Being, Breast Cancer Subscale
TIME FOR COMPLETION:
Manual scoring template, some items are reverse scored. Subscale scores, total scores and TOI possible. SAS/SPSS algorithms available.
Available translations of the FACT-B can be obtained by registering for permission. Users are not permitted to translate the FACT-B without permission from FACIT.org. Permission from FACIT.org to translate the FACT-B may also be contingent upon timeline expectations and availability of FACIT staff. Translations must undergo a rigorous methodology under the guidance of FACIT.org which includes multiple translators, QA steps and cognitive interviews with patients. For commercial use, FACITtrans is the approved translation vendor to translate the FACIT measurement system.
Please contact us for more information.
Licensing fees are assessed on a per trial/per measure basis for commercial use. There is no fee for use of the English version, but a license should be obtained.
Non-commercial use is assessed on a case-by-case basis. Licensing fees are typically not applied to investigator-initiated research, students, or clinical use.
To license an available version of this measure for commercial or non-commercial use, please complete our registration form. All of the information provided in the form will be kept strictly confidential. For questions, please contact us.
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Eton D.T., Cella D., Yost K.J., Yount S.E., Peterman A.H., Neuberg D.S., Sledge G.W., Wood W.C. A combination of distribution- and anchor-based approaches determined minimally important differences (MIDs) for four endpoints in a breast cancer scale. Journal of Clinical Epidemiology 2004; 57: 898-910.
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