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Depression and Physical Function: Results From the Aging and Longevity Study in the Sirente Geographic Area (ilSIRENTE Study)

Department of Gerontology, Geriatrics and Physiatry, Catholic University of Sacred Heart, Roma, Italy

Matteo Cesari, MD, PhD

Department of Aging and Geriatric Research, College of Medicine, Institute on Aging-University of Florida, Gainesville, Florida

Graziano Onder, MD, PhD

Department of Gerontology, Geriatrics and Physiatry, Catholic University of Sacred Heart, Roma, Italy

Valentina Zamboni, MD

Department of Gerontology, Geriatrics and Physiatry, Catholic University of Sacred Heart, Roma, Italy

Christian Barillaro, MD

Department of Gerontology, Geriatrics and Physiatry, Catholic University of Sacred Heart, Roma, Italy

Marco Pahor, MD

Department of Aging and Geriatric Research, College of Medicine, Institute on Aging-University of Florida, Gainesville, Florida

Roberto Bernabei, MD

Department of Gerontology, Geriatrics and Physiatry, Catholic University of Sacred Heart, Roma, Italy

Francesco Landi, MD, PhD

Department of Gerontology, Geriatrics and Physiatry, Catholic University of Sacred Heart, Roma, Italy, francesco_landi{at}rm.unicatt.it

Depression in older persons represents a major issue because of its relevant prevalence and the associated higher risk of adverse health-related events. The aim of this study was to evaluate the relationship of depressive symptoms with measures of physical performance, muscle strength, and functional status. Data are from baseline evaluation of the ilSIRENTE Study (n = 364). Physical performance was assessed using the Short Physical Performance Battery and the 4-meter walking test. Muscle strength was measured by hand-grip strength. Functional performance was assessed using Basic and Instrumental Activities of Daily Living. Depression was defined by analyzing the different depressive manifestations included in the Minimum Data Set for Home Care Form: verbal expression of sad and/or anxious mood and demonstrated signs of mental distress. Analyses of covariance and linear regressions were performed to evaluate the relationship between depression and physical function. Participants with depression showed significantly worse results in all of the physical function tests. Subjects with depression presented significantly lower adjusted mean results for the 4-meter walking test (0.41 m/s; SE, 0.03) and the Short Physical Performance Battery score (5.68; SE, 0.38) compared with those without depression (0.50 m/s; SE, 0.01 and 6.93; SE, 0.21; all P < .01, respectively). Participants with depressed mood also presented a higher number of impaired instrumental activities of daily living (3.69; SE, 0.25) compared with participants with less than 3 depressive symptoms (2.85; SE, 0.14; P = .005). No significant difference was reported for the hand-grip strength and the Basic Activities of Daily Living scale. In conclusion, physical performance and functional status measures are significantly and negatively influenced by the presence of depression in community-dwelling older persons aged 80 years and older. (J Geriatr Psychiatry Neurol 2007;20:131-137)

Key Words: geriatrics • functional status • depression • clinical epidemiology

Journal of Geriatric Psychiatry and Neurology, Vol. 20, No. 3, 131-137 (2007)
DOI: 10.1177/0891988707301865


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