{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T18:39:49Z","timestamp":1787164789914,"version":"build-2736575974"},"reference-count":23,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2010,7,28]],"date-time":"2010-07-28T00:00:00Z","timestamp":1280275200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Psycho-Oncology"],"published-print":{"date-parts":[[2011,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:italic>Objective<\/jats:italic>\n                    : The purpose of this analysis was to provide psychometric information related to the Breast Cancer Prevention Trial (BCPT) Symptom Checklist in women with breast cancer prior to the initiation of adjuvant therapy and 6 months post\u2010initiation of therapy.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>Methods<\/jats:italic>\n                    : This investigation was a secondary analysis of baseline data from the Anastrozole Use in Menopausal Women (AIM) Study (R01 CA 107408). The data used in this study were obtained from women diagnosed with Stage I, II, and IIIa breast cancer and who received adjuvant therapy that included chemotherapy alone, anastrozole alone, and chemotherapy plus anastrozole. Data were examined before adjuvant therapy (\n                    <jats:italic>n<\/jats:italic>\n                    =278), and at 6 months post\u2010adjuvant therapy (\n                    <jats:italic>n<\/jats:italic>\n                    =195). Construct validity was examined through exploratory and confirmatory factor analysis (CFA), and the internal consistency of each resulting subscale was computed. Discriminant validity evidence was obtained by correlating BCPT subscales with subscales from the MOS SF\u201036.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>Results<\/jats:italic>\n                    : A seven\u2010factor structure was extracted from the 42 items at baseline; an eight\u2010factor structure was found using 6\u2010month data. CFA was performed to compare the baseline and 6\u2010month models as well as an eight\u2010factor model recommended by Cella\n                    <jats:italic>et al.<\/jats:italic>\n                    Findings revealed that the two eight\u2010factor models best represented the data. Low negative correlations with the subscales of the MOS SF\u201036 provided discriminant validity evidence.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>Conclusion<\/jats:italic>\n                    : This analysis provides evidence for the reliability, discriminant validity, and factor structure of the BCPT Symptom Checklist. Further testing of this instrument is needed to confirm the factor structure of this measure. 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