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Title: Television viewing, C-reactive protein, and depressive symptoms in older adults
Authors: Hamer, Mark
Poole, Lydia
Messerli-Burgy, Nadine
Keywords: Sedentary
C-reactive protein
Issue Date: 2013
Publisher: © Elsevier
Citation: HAMER, M., POOLE, L. and MESSERLI-BURGY, N., 2013. Television viewing, C-reactive protein, and depressive symptoms in older adults. Brain, Behavior, and Immunity, 33, pp. 29–32.
Abstract: There is emerging evidence for a link between sedentary behavior and mental health, although the mechanisms remain unknown. We tested if an underlying inflammatory process explains the association between sedentary behavior and depressive symptoms. We conducted a two year follow-up of 4964 (aged 64.5 ± 8.9 years) men and women from the English Longitudinal Study of Ageing, a cohort of community dwelling older adults. Self-reported TV viewing time was assessed at baseline as a marker of leisure time sedentary behavior. The eight-item Centre of Epidemiological Studies Depression (CES-D) scale was administered to measure depressive symptoms at follow-up. At baseline, TV time was associated with C-reactive protein (CRP), adjusted geometric mean CRP values were 2.94 mg/L (<2 h/d TV); 3.04 mg/L (2–4 h/d TV); 3.29 mg/L (4–6 h/d TV); 3.23 mg/L (>6 h/d TV). We observed both a direct association of TV time on CES-D score at follow-up (B = 0.08, 95% CI, 0.05, 0.10) and indirect effects (B = 0.07, 95% CI, 0.05, 0.08). The indirect effects were largely explained through lack of physical activity, smoking, and alcohol, but not by CRP or body mass index.
Description: This paper is in closed access.
Sponsor: This paper is funded by the National Institute on Aging in the United States (grants 2RO1AG7644-01A1 and 2RO1AG017644) and a consortium of UK government departments coordinated by the Office for National Statistics.
Version: Published
DOI: 10.1016/j.bbi.2013.05.001
URI: https://dspace.lboro.ac.uk/2134/19231
Publisher Link: http://dx.doi.org/10.1016/j.bbi.2013.05.001
ISSN: 1090-2139
Appears in Collections:Closed Access (Sport, Exercise and Health Sciences)

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