RT Journal Article
SR Electronic
T1 Associations of Leisure-Time Physical Activity and Television Viewing with Life Expectancy Cancer-Free at Age 50: The ARIC Study
JF Cancer Epidemiology Biomarkers & Prevention
JO Cancer Epidemiol Biomarkers Prev
FD American Association for Cancer Research
DO 10.1158/1055-9965.EPI-20-0870
A1 Cuthbertson, Carmen C.
A1 Nichols, Hazel B.
A1 Tan, Xianming
A1 Kucharska-Newton, Anna
A1 Heiss, Gerardo
A1 Joshu, Corinne E.
A1 Platz, Elizabeth A.
A1 Evenson, Kelly R.
YR 2020
UL http://cebp.aacrjournals.org/content/early/2020/10/23/1055-9965.EPI-20-0870.abstract
AB Background: Physical activity has been associated with longer chronic disease–free life expectancy, but specific cancer types have not been investigated. We examined whether leisure-time moderate-to-vigorous physical activity (LTPA) and television (TV) viewing were associated with life expectancy cancer-free.Methods: We included 14,508 participants without a cancer history from the Atherosclerosis Risk in Communities (ARIC) study. We used multistate survival models to separately examine associations of LTPA (no LTPA, <median, ≥median) and TV viewing (seldom/never, sometimes, often/very often) with life expectancy cancer-free at age 50 from invasive colorectal, lung, prostate, and postmenopausal breast cancer. Models were adjusted for age, gender, race, ARIC center, education, smoking, and alcohol intake.Results: Compared with no LTPA, participants who engaged in LTPA ≥median had a greater life expectancy cancer-free from colorectal [men-2.2 years (95% confidence interval (CI), 1.7–2.7), women-2.3 years (95% CI, 1.7–2.8)], lung [men-2.1 years (95% CI, 1.5–2.6), women-2.1 years (95% CI, 1.6–2.7)], prostate [1.5 years (95% CI, 0.8–2.2)], and postmenopausal breast cancer [2.4 years (95% CI, 1.4–3.3)]. Compared with watching TV often/very often, participants who seldom/never watched TV had a greater colorectal, lung, and postmenopausal breast cancer-free life expectancy of ∼1 year.Conclusions: Participating in LTPA was associated with longer life expectancy cancer-free from colorectal, lung, prostate, and postmenopausal breast cancer. Viewing less TV was associated with more years lived cancer-free from colorectal, lung, and postmenopausal breast cancer.Impact: Increasing physical activity and reducing TV viewing may extend the number of years lived cancer-free.