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Prev Med. 2016 Aug;89:286-291. doi: 10.1016/j.ypmed.2016.06.008. Epub 2016 Jun 14.

Occupational physical activity in relation to risk of cardiovascular mortality: The Japan Collaborative Cohort Study for Evaluation for Cancer Risk (JACC Study).

Author information

1
Public Health, Department of Social Medicine, Osaka University, Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan.
2
Public Health, Department of Social Medicine, Osaka University, Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan. Electronic address: iso@pbhel.med.osaka-u.ac.jp.
3
Department of Public Health, Hokkaido University, Graduate School of Medicine, North 15, West 7, Kita-ku, Sapporo, Hokkaido 060-8638, Japan.

Abstract

We examined the association between patterns of occupational physical activity (OPA) and mortality from cardiovascular disease (CVD) in a Japanese population. A community-based, prospective cohort of 66,161 men and women aged 40-79years without a history of CVD or cancer at baseline (1988-1990) was followed until 2009. OPA was divided into four types: mostly sitting, sitting and standing (sitting/standing), mostly standing, and standing and walking (standing/walking). During follow-up for a median of 19.2years, 3728 deaths from CVD were registered. Compared with mostly sitting OPA, standing/walking OPA was not associated with a reduced risk of CVD mortality for all subjects, but it was associated with a 20% lower risk of CVD mortality among overweight individuals (body mass index ≥25kg/m(2)). Compared with mostly sitting OPA, mostly standing OPA was associated with an approximately 20% higher risk of CVD mortality, especially among overweight individuals or those with lower exercise (<2.5h/week). In conclusion, compared with mostly sitting OPA, standing/walking OPA is associated with lower CVD mortality among overweight individuals, while mostly standing OPA is associated with higher CVD mortality, especially in physically inactive individuals.

KEYWORDS:

Body mass index; Cardiovascular disease; Occupation; Physical activity; Prospective study

PMID:
27311336
DOI:
10.1016/j.ypmed.2016.06.008
[Indexed for MEDLINE]

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