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Physical inactivity, excess adiposity and premature mortality

Published on Nov 1, 2003in Obesity Reviews8.19
· DOI :10.1046/j.1467-789X.2003.00120.x
Peter T. Katzmarzyk81
Estimated H-index: 81
(Queen's University),
Imke Janssen30
Estimated H-index: 30
(Queen's University),
Chris I. Ardern26
Estimated H-index: 26
Abstract
Summary The purpose of this report is to review the evidence that physical inactivity and excess adiposity are related to an increased risk of all-cause mortality, and to better identify the independent contributions of each to all-cause mortality rates. A variance-based method of meta-analysis was used to summarize the relationships from available studies. The summary relative risk of all-cause mortality for physical activity from the 55 analyses (31 studies) that included an index of adiposity as a covariate was 0.80 [95% confidence interval (CI) 0.78–0.82], whereas it was 0.82 [95% CI 0.80–0.84] for the 44 analyses (26 studies) that did not include an index of adiposity. Thus, physically active individuals have a lower risk of mortality by comparison to physically inactive peers, independent of level of adiposity. The summary relative risk of all-cause mortality for an elevated body mass index (BMI) from the 25 analyses (13 studies) that included physical activity as a covariate was 1.23 [95% CI 1.18–1.29], and it was 1.24 [95% CI 1.21–1.28] for the 81 analyses (36 studies) that did not include physical activity as a covariate. Studies that used a measure of adiposity other than the BMI show similar relationships with mortality, and stratified analyses indicate that both physical inactivity and adiposity are important determinants of mortality risk.
  • References (170)
  • Citations (253)
References170
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#2William B. Kannel (NIH: National Institutes of Health)H-Index: 180
Last.Joseph Stokes (NIH: National Institutes of Health)H-Index: 1
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#1Flora Lubin (Sheba Medical Center)H-Index: 16
#2Ayala Lusky (Sheba Medical Center)H-Index: 32
Last.Rachel Dankner (Sheba Medical Center)H-Index: 25
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#1Yousung Park (KU: Korea University)H-Index: 8
#2Saebom JeonH-Index: 1
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#1Da‐Young Lee (SKKU: Sungkyunkwan University)H-Index: 1
#2Mi-Yeon Lee (SKKU: Sungkyunkwan University)H-Index: 1
Last.Ki-Chul Sung (SKKU: Sungkyunkwan University)H-Index: 29
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#1Meng Ying Cui (JLU: Jilin University)H-Index: 1
#2Yang Lin (JLU: Jilin University)H-Index: 1
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#1Jordan Elliott-King (Lboro: Loughborough University)H-Index: 2
#2Daniele Magistro (NTU: Nottingham Trent University)H-Index: 7
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