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OBJECTIVE: In older men with prostate cancer, aging is associated with reduced anxiety and increased depression. The purpose of this study was to examine the association among age, anxiety, and depression in a cohort of older adults receiving chemotherapy. METHODS: This is a secondary analysis of a prospective longitudinal study investigating chemotherapy toxicity in older adults with cancer. Baseline data (pre-chemotherapy) included: age, sociodemographics, tumor and treatment factors, functional status, comorbidities, psychological state (measured by the Hospital Anxiety and Depression Scale), and social support. Univariate and multiple regression analyses were conducted to test the relationship between age, anxiety, and depression. RESULTS: The average age of the 500 patients (56% females) was 73.1. The majority had late stage disease: 22% Stage III and 61% stage IV. Clinically significant depression was reported in 12.6%. Clinically significant anxiety was reported in 20.9%. In univariate analyses, there was no association between anxiety and age, or depression and age. In multivariable analyses, older age (p=0.05) was associated with decreased anxiety, as well as lack of social support (p<0.01) and increased number of comorbidities (p<0.01). In multivariable analysis, depression was associated with lack of social support (p<0.01), increased number of comorbidities (p<0.01), and advanced stage (p<0.01). CONCLUSIONS: This study supports previous research that anxiety decreases with age in older adults with cancer. However, depression remained constant with increasing age. Greater resources and attention to identifying and treating the psychological sequelae of cancer in older adults are warranted.
Wiesel et al. (Wed,) studied this question.