Prospective associations between accelerometry-derived physical activity and sedentary behaviors and mortality among cancer survivors

Author:

Salerno Elizabeth A12ORCID,Saint-Maurice Pedro F3ORCID,Wan Fei12,Peterson Lindsay L24,Park Yikyung12,Cao Yin125ORCID,Duncan Ryan P6,Troiano Richard P7,Matthews Charles E3

Affiliation:

1. Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine in St. Louis , MO, USA

2. Alvin J. Siteman Cancer Center, Washington University School of Medicine in St. Louis , MO, USA

3. Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute , Rockville, MD, USA

4. Division of Medical Oncology, Department of Medicine, Washington University School of Medicine in St. Louis , MO, USA

5. Division of Gastroenterology, Department of Medicine, Washington University School of Medicine in St. Louis , MO, USA

6. Program in Physical Therapy, Washington University School of Medicine in St. Louis , MO, USA

7. Risk Factor Assessment Branch, Epidemiology and Genomics Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute , Rockville, MD, USA

Abstract

AbstractBackgroundSurvival benefits of self-reported recreational physical activity (PA) during cancer survivorship are well-documented in common cancer types, yet there are limited data on the associations between accelerometer-derived PA of all domains, sedentary behavior, and mortality in large, diverse cohorts of cancer survivors.MethodsParticipants included adults who reported a cancer diagnosis in the National Health and Nutrition Examination Survey and wore an accelerometer for up to 7 days in 2003-2006. Participants were followed for subsequent mortality through 2015. We examined the association of light PA, moderate to vigorous PA, total PA, and sedentary behavior, with all-cause mortality. Cox proportional hazards models estimated hazard ratios (HRs) and 95% confidence intervals (CIs), adjusting for demographics and health indicators.ResultsA total of 480 participants (mean age of 68.8 years [SD = 12.4] at the time of National Health and Nutrition Examination Survey assessment) reported a history of cancer. A total of 215 deaths occurred over the follow-up period. For every 1-h/d increase in light PA and moderate to vigorous PA (MVPA), cancer survivors had 49% (HR = 0.51, 95% CI = 0.34 to 0.76) and 37% (HR = 0.63 , 95% CI = 0.40 to 0.99) lower hazards of all-cause mortality, respectively. Total PA demonstrated similar associations with statistically significantly lower hazards of death for each additional hour per day (HR = 0.68, 95% CI = 0.54 to 0.85), as did every metabolic equivalents of task-hour per day increase in total PA estimations of energy expenditure (HR = 0.88, 95% CI = 0.82 to 0.95). Conversely, more sedentary time (1 h/d) was not associated with statistically significantly higher hazards (HR = 1.08, 95% CI = 0.94 to 1.23).ConclusionsThese findings reinforce the current recommendations for cancer survivors to be physically active and underscore the continued need for widespread PA promotion for long-term survival in older cancer survivors.

Funder

National Institutes of Health

Publisher

Oxford University Press (OUP)

Subject

Cancer Research,Oncology

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