Feb 8, 2014

Objectively measured sedentary time is related to quality of life among cancer survivors

PloS One
Stephanie M GeorgeCharles E Matthews


While exercise has been shown to be beneficial in improving health-related quality of life (HRQOL) among cancer survivors, evidence is limited on the independent role of sedentary behavior. We examined how objectively measured sedentary time was associated with HRQOL among long-term cancer survivors. This cross-sectional study included 54 cancer survivors, on average 3.4 years postdiagnosis, who were enrolled into an exercise trial designed to improve cognitive function. At baseline, we measured sedentary time and moderate-vigorous intensity physical activity with the ActivPal, cardiorespiratory fitness with treadmill testing, and self-reported HRQOL with an established scale (SF-36). In multivariate models, we regressed HRQOL on sedentary time (percent of waking time spent sitting and lying). Survivors with higher sedentary time had significantly poorer physical functioning (β = -0.50, p = 0.028), general health (β = -0.75, ptrend = 0.004), and physical summary scores (β = -0.34, p = 0.003). We did not observe associations between sedentary time and role-physical (p = 0.342), bodily-pain (p = 0.117), vitality (p = 0.095), social functioning (p = 0.407), role-emotional (p = 0.509), mental health (p = 0.494), or mental summary s...Continue Reading

Mentioned in this Paper

Prevalence Studies
Gait, Drop Foot
Energy Metabolism
Chronic Disease
Colorectal Neoplasms
Long-Term Survivors
Malignant Neoplasms
Quality of Life

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