A study of the FACIT-P quality of life factorial structure for prostate cancer patients
Keywords:
Quality of life, prostatic neoplasms/drug therapy, prostatic neoplasms/psychology, psychometrics, questionnairesAbstract
Objective: To analyze the dominion structure of the FACIT-P scale (4th version), an instrument designed to measure the quality of life construct in prostate cancer (PC) patients.
Methods: The selected method sought to achieve greatest possible verisimilitude for discrimination of latent variables. The factorial structure chosen to single out latent variables was based upon varimax orthogonal rotation.
Results: More than half the number of patients evaluated came from Bogota; a large majority had only primary school education; on the Gleason scale, one fourth suffered from intermediate or high grade PC. Dominions included aspects related to:
1. Pain and discomfort.
2. Independence and performance capacity.
3. Social network, family life and contentment.
4. Depression and anxiety.
5. Specific symptoms related to prostate cancer.
Conclusions: The dominion structure produced by the instrument among Colombian PC patients revealed a plausible latent variable organization that resembled the original scale construct.
Author Biographies
Mónica Ballesteros, Instituto Nacional de Cancerología
Grupo Investigación Clínica, Instituto Nacional de Cancerología, Bogotá, D. C., Colombia
Ricardo Sánchez, Instituto Nacional de Cancerología
Grupo Investigación Clínica, Instituto Nacional de Cancerología, Bogotá, D. C., Colombia
Universidad Nacional de Colombia, Bogotá, D. C., Colombia
Bryan Merchán, Instituto Nacional de Cancerología
Grupo Investigación Clínica, Instituto Nacional de Cancerología, Bogotá, D. C., Colombia
Rodolfo Varela, Instituto Nacional de Cancerología
Grupo de Urología, Instituto Nacional de Cancerología, Bogotá, D. C., Colombia
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