Association of multiple adiposity exposures and cardiorespiratory fitness with all-cause mortality in men: The Cooper Center Longitudinal Study

Stephen W. Farrell, Carrie E. Finley, Allen W. Jackson, Gloria L. Vega, James R. Morrow

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Objective: To examine the additive effects of an increased number of positive adiposity exposures on allcause mortality in men before and after stratification by cardiorespiratory fitness (CRF) level. Patients and Methods: A total of 36,836 men underwent a physical examination at the Cooper Clinic from January 1, 1971, through December 31, 2006. Exposures included body mass index, waist circumference, percentage of body fat, and CRF as determined by duration of a maximal exercise test. Participants were identified as being either obese (positive) or nonobese (negative) for each adiposity exposure and then grouped into 4 categories: group 1, negative for all adiposity exposures; group 2, positive for any 1 exposure; group 3, positive for any 2 exposures; and group 4, positive for all exposures. Then CRF was grouped as fit or unfit on the basis of the upper 80% and lower 20% of the agestandardized CRF distribution as previously reported in the Cooper Center Longitudinal Study. Hazard ratios were computed with Cox regression analysis. Results: A total of 2294 deaths occurred during a mean ± SD of 15.5±8.1 years of follow-up. Adjusted hazard ratios across adiposity groups were 1.0 (referent), 1.05, 1.37, and 1.87 for groups 1 through 4, respectively (P for trend <.001). Mortality rates were significantly lower within each of the first 3 adiposity groups in fit compared with unfit men (P<.009 for all comparisons). Conclusion: An increasing number of positive adiposity exposures were associated with increased mortality in men. Because moderate to high CRF attenuated mortality rates in all adiposity groups, measurement of CRF should be included for identifying men at increased risk for all-cause mortality.

Original languageEnglish (US)
Pages (from-to)772-780
Number of pages9
JournalMayo Clinic Proceedings
Volume89
Issue number6
DOIs
StatePublished - 2014

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Adiposity
Longitudinal Studies
Mortality
Waist Circumference
Cardiorespiratory Fitness
Exercise Test
Physical Examination
Adipose Tissue
Body Mass Index
Regression Analysis

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Association of multiple adiposity exposures and cardiorespiratory fitness with all-cause mortality in men : The Cooper Center Longitudinal Study. / Farrell, Stephen W.; Finley, Carrie E.; Jackson, Allen W.; Vega, Gloria L.; Morrow, James R.

In: Mayo Clinic Proceedings, Vol. 89, No. 6, 2014, p. 772-780.

Research output: Contribution to journalArticle

Farrell, Stephen W. ; Finley, Carrie E. ; Jackson, Allen W. ; Vega, Gloria L. ; Morrow, James R. / Association of multiple adiposity exposures and cardiorespiratory fitness with all-cause mortality in men : The Cooper Center Longitudinal Study. In: Mayo Clinic Proceedings. 2014 ; Vol. 89, No. 6. pp. 772-780.
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abstract = "Objective: To examine the additive effects of an increased number of positive adiposity exposures on allcause mortality in men before and after stratification by cardiorespiratory fitness (CRF) level. Patients and Methods: A total of 36,836 men underwent a physical examination at the Cooper Clinic from January 1, 1971, through December 31, 2006. Exposures included body mass index, waist circumference, percentage of body fat, and CRF as determined by duration of a maximal exercise test. Participants were identified as being either obese (positive) or nonobese (negative) for each adiposity exposure and then grouped into 4 categories: group 1, negative for all adiposity exposures; group 2, positive for any 1 exposure; group 3, positive for any 2 exposures; and group 4, positive for all exposures. Then CRF was grouped as fit or unfit on the basis of the upper 80{\%} and lower 20{\%} of the agestandardized CRF distribution as previously reported in the Cooper Center Longitudinal Study. Hazard ratios were computed with Cox regression analysis. Results: A total of 2294 deaths occurred during a mean ± SD of 15.5±8.1 years of follow-up. Adjusted hazard ratios across adiposity groups were 1.0 (referent), 1.05, 1.37, and 1.87 for groups 1 through 4, respectively (P for trend <.001). Mortality rates were significantly lower within each of the first 3 adiposity groups in fit compared with unfit men (P<.009 for all comparisons). Conclusion: An increasing number of positive adiposity exposures were associated with increased mortality in men. Because moderate to high CRF attenuated mortality rates in all adiposity groups, measurement of CRF should be included for identifying men at increased risk for all-cause mortality.",
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N2 - Objective: To examine the additive effects of an increased number of positive adiposity exposures on allcause mortality in men before and after stratification by cardiorespiratory fitness (CRF) level. Patients and Methods: A total of 36,836 men underwent a physical examination at the Cooper Clinic from January 1, 1971, through December 31, 2006. Exposures included body mass index, waist circumference, percentage of body fat, and CRF as determined by duration of a maximal exercise test. Participants were identified as being either obese (positive) or nonobese (negative) for each adiposity exposure and then grouped into 4 categories: group 1, negative for all adiposity exposures; group 2, positive for any 1 exposure; group 3, positive for any 2 exposures; and group 4, positive for all exposures. Then CRF was grouped as fit or unfit on the basis of the upper 80% and lower 20% of the agestandardized CRF distribution as previously reported in the Cooper Center Longitudinal Study. Hazard ratios were computed with Cox regression analysis. Results: A total of 2294 deaths occurred during a mean ± SD of 15.5±8.1 years of follow-up. Adjusted hazard ratios across adiposity groups were 1.0 (referent), 1.05, 1.37, and 1.87 for groups 1 through 4, respectively (P for trend <.001). Mortality rates were significantly lower within each of the first 3 adiposity groups in fit compared with unfit men (P<.009 for all comparisons). Conclusion: An increasing number of positive adiposity exposures were associated with increased mortality in men. Because moderate to high CRF attenuated mortality rates in all adiposity groups, measurement of CRF should be included for identifying men at increased risk for all-cause mortality.

AB - Objective: To examine the additive effects of an increased number of positive adiposity exposures on allcause mortality in men before and after stratification by cardiorespiratory fitness (CRF) level. Patients and Methods: A total of 36,836 men underwent a physical examination at the Cooper Clinic from January 1, 1971, through December 31, 2006. Exposures included body mass index, waist circumference, percentage of body fat, and CRF as determined by duration of a maximal exercise test. Participants were identified as being either obese (positive) or nonobese (negative) for each adiposity exposure and then grouped into 4 categories: group 1, negative for all adiposity exposures; group 2, positive for any 1 exposure; group 3, positive for any 2 exposures; and group 4, positive for all exposures. Then CRF was grouped as fit or unfit on the basis of the upper 80% and lower 20% of the agestandardized CRF distribution as previously reported in the Cooper Center Longitudinal Study. Hazard ratios were computed with Cox regression analysis. Results: A total of 2294 deaths occurred during a mean ± SD of 15.5±8.1 years of follow-up. Adjusted hazard ratios across adiposity groups were 1.0 (referent), 1.05, 1.37, and 1.87 for groups 1 through 4, respectively (P for trend <.001). Mortality rates were significantly lower within each of the first 3 adiposity groups in fit compared with unfit men (P<.009 for all comparisons). Conclusion: An increasing number of positive adiposity exposures were associated with increased mortality in men. Because moderate to high CRF attenuated mortality rates in all adiposity groups, measurement of CRF should be included for identifying men at increased risk for all-cause mortality.

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