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. 2024 Mar 1;56(3):520-527.
doi: 10.1249/MSS.0000000000003331. Epub 2023 Oct 25.

Relationships of Total and Domain-Specific Moderate-to-Vigorous Physical Activity with All-Cause and Disease-Specific Mortality

Hiroyuki Kikuchi  1 , Shigeru Inoue  1 , Shiho Amagasa, Keisuke Kuwahara, Hikaru Ihira  2 , Manami Inoue, Hiroyasu Iso  3 , Shoichiro Tsugane, Norie Sawada  2
Affiliations

Relationships of Total and Domain-Specific Moderate-to-Vigorous Physical Activity with All-Cause and Disease-Specific Mortality

Hiroyuki Kikuchi et al. Med Sci Sports Exerc. .

Abstract

Purpose: This study aimed to investigate the relationships of moderate-to-vigorous physical activity (MVPA) with all-cause and disease-specific mortality. We also investigated how the association between MVPA at leisure time (LT-MVPA) and health outcomes differs at different MVPA at work (WT-MVPA) levels.

Methods: The 81,601 community-dwelling Japanese persons age 50-79 yr who responded to a questionnaire in 2000-2003 were followed until 2018. Cox proportional hazard model was used to examine the association of total MVPA with risks of all-cause, cancer, heart disease, stroke, and respiratory disease mortality. Then, we compared the mortality risk according to the tertile of LT-MVPA, stratified by the tertile of WT-MVPA.

Results: During the 15.1 yr of average follow-up, 16,951 deaths were identified. Even total MVPA below the recommended volume (i.e., 0.1-1.49 MET·h·d -1 ) was associated with 11% to 24% reductions in all-cause (hazard ratio [HR], 0.89; 95% confidence interval [CI], 0.82-0.96) and heart disease mortality (HR, 0.76; 95% CI, 0.61-0.94), compared with no MVPA at all. The further reduced risks were seen in MVPA up to 10 MET·h·d -1 . The inverse association between LT-MVPA and mortality risks was more evident at lower WT-MVPA, which was also inversely associated with the risks.

Conclusions: Health benefits were observed at low levels of MVPA and up to 10 MET·h·d -1 , although the fine threshold for excessive MVPA was not clear. LT-MVPA had distinct health benefits especially for persons with lower WT-MVPA.

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