Fatigue, Depression, Sleep, and Activity During Chemotherapy: Daily and Intraday Variation and Relationships Among Sympt
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ORIGINAL ARTICLE
Fatigue, Depression, Sleep, and Activity During Chemotherapy: Daily and Intraday Variation and Relationships Among Symptom Changes Heather S. L. Jim, Ph.D. & Brent Small, Ph.D. & Leigh Anne Faul, Ph.D. & Jamie Franzen, B.A & Sachin Apte, M.D. & Paul B. Jacobsen, Ph.D.
Published online: 22 July 2011 # The Society of Behavioral Medicine 2011
Abstract Background Previous research suggests that cancer patients frequently experience multiple symptoms during chemotherapy; however, relationships among symptom changes are largely unknown. Purpose The aim of the current study was to examine daily and intraday changes and interrelationships among fatigue, depression, and objectively measured disruptions in sleep and activity during chemotherapy. Methods Participants were 78 women with gynecologic cancer. Fatigue, depression, sleep, and activity were assessed the week before and the week after the participants’ first three infusions. Results Significant changes in fatigue, depression, sleep, and activity were observed over time. Before infusions, increases in fatigue were associated with increases in depression. After infusions, increases in fatigue were associated with increases in depression and minutes awake at night, as well as decreases in daytime activity and regularity of sleep/activity patterns (ps
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