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French version of the Functional Assessment of Cancer Therapy-Cognitive Function (FACT-Cog) version 3
1Département d'oncologie médicale, Unité de Recherche Clinique, Centre François Baclesse, Caen, France. f.joly@baclesse.fr
Summary
The French Functional Assessment of Cancer Therapy-Cognitive Function (FACT-Cog) is a reliable tool for cancer patients undergoing chemotherapy to self-report cognitive function. This validation ensures its cultural appropriateness and accuracy in assessing cognitive abilities during treatment.
Area of Science:
- Oncology
- Psychometrics
- Health Psychology
Background:
- Chemotherapy often leads to cognitive impairment, impacting patients' quality of life.
- Neuropsychological tests are standard, but patient self-evaluation offers complementary insights.
- The Functional Assessment of Cancer Therapy-Cognitive Function (FACT-Cog) is a self-report measure for cognitive function.
Purpose of the Study:
- To linguistically validate the French version of the FACT-Cog questionnaire.
- To ensure the French FACT-Cog is culturally appropriate and understandable for cancer patients.
- To establish the reliability of the French FACT-Cog for use in clinical practice.
Main Methods:
- Qualitative and quantitative methods were employed for validation.
- Rigorous translation and pretesting with 35 cancer patients in France.
- Final validation involved 63 cancer patients, collecting sociodemographic, cognitive, and depression data.
Main Results:
- Cognitive debriefing confirmed patient understanding and cultural appropriateness of the French FACT-Cog.
- High internal consistency reliability was found across all four subscales (Cronbach's alpha: 0.70–0.93).
- Item-total correlations exceeded 0.20, with most above 0.50, indicating strong scale validity.
Conclusions:
- The French FACT-Cog is a reliable and culturally validated instrument.
- It effectively supports self-reporting of cognitive abilities in chemotherapy patients.
- The validated French FACT-Cog can be integrated into standard clinical care.
