Cardiovascular health and the modifiable burden of incident myocardial infarction: the Tromsø Study
Public Deposited- Creator
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Wilsgaard, Tom
- Affiliation: Gillings School of Global Public Health, Department of Epidemiology
- Other Affiliation: Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
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Loehr, Laura
- Affiliation: Gillings School of Global Public Health, Department of Epidemiology
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Mathiesen, Ellisiv B
- Other Affiliation: Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
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Løchen, Maja-Lisa
- Other Affiliation: Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
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Bønaa, Kaare H
- Other Affiliation: Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway; Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
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Njølstad, Inger
- Other Affiliation: Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
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Heiss, Gerardo
- Affiliation: Gillings School of Global Public Health, Department of Epidemiology
- Abstract
- Abstract Background The American Heart Association has proposed an impact goal for the year 2020 to improve cardiovascular health by 20%. The objectives of the study were to assess the association between the proposed cardiovascular health metric score and incident myocardial infarction (MI) and to estimate the generalized impact fraction (GIF). Methods The health metric score was derived from ideal levels of six cardiovascular risk factors from the population-based Tromsø Study of 22,121 residents of Tromsø, Norway aged 30 to 79 years, examined in 1994–95, 2001, and 2007–08. Incident events of MI were recorded from the date of enrollment in 1994–95 to the end of 2010. Adjudication of hospitalized and out-of hospital events was performed by an independent endpoints committee based on data from hospital and out-of hospital journals, autopsy records and death certificates. Cox proportional hazard regression was used to estimate hazard ratios (HR). GIF was calculated from age stratified analysis using a case-load weighted-sum method. Bootstrapping was used to estimate 95% simulation intervals. Results A total of 1652 MIs accrued over an average of 14.7 person-years of follow-up. Few men (0.96%) and women (3.6%) had ideal levels in all 6 metrics. 64.7% (men) and 55.7% (women) had ideal levels in 2 or 3 metrics. The age-adjusted HR per point increase in health score was 0.65 (95% confidence interval: 0.61, 0.70) in men and 0.59 (0.54, 0.64) in women. A shift of 30% of subjects from low score levels ≤3 to scores ≥4 was estimated to prevent 13.7% (11.2, 16.2) of incident MI in men and 15.9% (12.1, 19.4) in women. Conclusions The association between the health metric score and MI indicate that close to 15% of incident MIs could be prevented by attainable and realistic improvements in the health metrics.
- Date of publication
- March 6, 2015
- DOI
- Identifier
- Resource type
- Article
- Rights statement
- In Copyright
- Rights holder
- Wilsgaard et al.; licensee BioMed Central.
- Language
- English
- Bibliographic citation
- BMC Public Health. 2015 Mar 06;15(1):221
- Publisher
- BioMed Central
Relations
- Parents:
This work has no parents.
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