Eight-year change in body mass index and subsequent risk of cardiovascular disease among healthy non-smoking men
Eight-year change in body mass index and subsequent risk of cardiovascular disease among healthy non-smoking men
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DOI:
10.1016/j.ypmed.2007.06.022
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发表时间:
2007-12-01
影响因子:
5.1
通讯作者:
Gaziano, J. Michael
中科院分区:
文献类型:
--
作者:
Bowman, Thomas S.;Kurth, Tobias;Gaziano, J. Michael
Objective. To determine how change in BMI over 8 years is associated with risk of subsequent cardiovascular disease (CVD) among middle aged men.Methods. Prospective cohort study among 13,230 healthy men (aged 51.6 +/- 8.7 years) in the Physicians' Health Study. BMI was collected at baseline in 1982 and after 8 years, at which time follow-up began. Subsequent CVD events were collected and confirmed through March 31, 2005. Cox proportional hazards models evaluated BMI at 8 years and risk of CVD, 8-year change in BMI and risk of CVD, and whether change in BMI added prognostic information after the consideration of BMI at 8 years.Results. 1308 major CVD events occurred over 13.5 years. A higher BMI at year 8 was associated with an increased risk of CVD. Compared to a stable BMI (+/- 0.5 kg/m(2)), a 0.5-2.0 kg/m(2) increase had a multivariable-adjusted RR of 1.00 (0.86-1.16). A >= 2.0 kg/m(2) increase had a multivariable-adjusted RR of 1.39 (1.16-1.68), however further adjustment for BMI reduced the RR to 1.00 (0.81-1.23). A decrease in BMI had a multivariable RR of 1.23 (1.07-1.42) which was unaffected by adjustment for BMI at 8 years.Conclusion. A higher BMI and a rising BMI were both associated with an increased risk of CVD, however an increasing BMI did not add prognostic information once current BMI was considered. In contrast, a declining BMI was associated with an increased risk of CVD independent of current BMI. (c) 2007 Elsevier Inc. All rights reserved.