Physical inactivity, abdominal obesity and risk of coronary heart disease in apparently healthy men and women. 2010

B J Arsenault, and J S Rana, and I Lemieux, and J-P Després, and J J P Kastelein, and S M Boekholdt, and N J Wareham, and K-T Khaw
Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Canada.

OBJECTIVE To test the hypothesis that for any given body mass index (BMI) category, active individuals would have a smaller waist circumference than inactive individuals. Our second objective was to examine the respective contribution of waist circumference and physical inactivity on coronary heart disease (CHD) risk. METHODS Prospective, population-based study with an 11.4-year follow-up. METHODS A total of 21 729 men and women aged 45-79 years, residing in Norfolk, UK. METHODS During follow-up, 2191 CHD events were recorded. Physical activity was evaluated using a validated lifestyle questionnaire that takes into account both leisure-time and work-related physical activity. Waist circumference was measured and BMI was calculated for each participant. RESULTS For both men and women, we observed that within each BMI category (<25.0, 25-30 and >or=30.0 kg m(-2)), active participants had a lower waist circumference than inactive participants (P<0.001). In contrast, within each waist circumference tertile, BMI did not change across physical activity categories (except for women with an elevated waist circumference). Compared with active men with a low waist circumference, inactive men with an elevated waist circumference had a hazard ratio (HR) for future CHD of 1.74 (95% confidence interval (CI), 1.34-2.27) after adjusting for age, smoking, alcohol intake and parental history of CHD. In the same model and after further adjusting for hormone replacement therapy use, compared with active women with a low waist circumference, inactive women with an elevated waist circumference had an HR for future CHD of 4.00 (95% CI, 2.04-7.86). CONCLUSIONS In any BMI category, inactive participants were characterized by an increased waist circumference, a marker of abdominal adiposity, compared with active individuals. Physical inactivity and abdominal obesity were both independently associated with an increased risk of future CHD.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009043 Motor Activity Body movements of a human or an animal as a behavioral phenomenon. Activities, Motor,Activity, Motor,Motor Activities
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D011795 Surveys and Questionnaires Collections of data obtained from voluntary subjects. The information usually takes the form of answers to questions, or suggestions. Community Survey,Nonrespondent,Questionnaire,Questionnaires,Respondent,Survey,Survey Method,Survey Methods,Surveys,Baseline Survey,Community Surveys,Methodology, Survey,Nonrespondents,Questionnaire Design,Randomized Response Technique,Repeated Rounds of Survey,Respondents,Survey Methodology,Baseline Surveys,Design, Questionnaire,Designs, Questionnaire,Methods, Survey,Questionnaire Designs,Questionnaires and Surveys,Randomized Response Techniques,Response Technique, Randomized,Response Techniques, Randomized,Survey, Baseline,Survey, Community,Surveys, Baseline,Surveys, Community,Techniques, Randomized Response
D003327 Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. Coronary Heart Disease,Coronary Diseases,Coronary Heart Diseases,Disease, Coronary,Disease, Coronary Heart,Diseases, Coronary,Diseases, Coronary Heart,Heart Disease, Coronary,Heart Diseases, Coronary
D005260 Female Females
D006113 United Kingdom Country in northwestern Europe including Great Britain and the northern one-sixth of the island of Ireland, located between the North Sea and north Atlantic Ocean. The capital is London. Great Britain,Isle of Man
D006304 Health Status The level of health of the individual, group, or population as subjectively assessed by the individual or by more objective measures. General Health,General Health Level,General Health Status,Level of Health,Overall Health,Overall Health Status,General Health Levels,Health Level,Health Level, General,Health Levels,Health Status, General,Health Status, Overall,Health, General,Health, Overall,Level, General Health,Levels, General Health,Status, General Health,Status, Health,Status, Overall Health
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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