Abstract
ObjectiveTo assess the population burden of angina pectoris symptoms (APS), self-reported angina and a combination of these, and explore potential ethnic disparity in their patterns. If differences in APS were found between Sami and non-Sami populations, we aimed at evaluating the role of established cardiovascular risk factors as mediating factors.DesignCross-sectional population-based study.MethodsA health survey was conducted in 2003–2004 in areas with Sami and non-Sami populations (SAMINOR). The response rate was 60.9%. The total number for the subsequent analysis was 15,206 men and women aged 36–79 years (born 1925–1968). Information concerning lifestyle was collected by 2 self-administrated questionnaires, and clinical examinations provided data on waist circumference, blood pressure and lipid levels.ResultsThis study revealed an excess of APS, self-reported angina and a combination of these in Sami relative to non-Sami women and men. After controlling for age, the odds ratio (OR) for APS was 1.42 (p<0.001) in Sami women and 1.62 (p<0.001) for men. When including relevant biomarkers and conventional risk factors, little change was observed. When also controlling for moderate alcohol consumption and leisure-time physical activity, the OR in women was reduced to 1.24 (p=0.06). Little change was observed in men.ConclusionThis study revealed an excess of APS, self-reported angina and a combination of these in Sami women and men relative to non-Sami women and men. Established risk factors explained little or none of the ethnic variation in APS. In women, however, less moderate alcohol consumption and leisure-time physical activity in Sami may explain the entire ethnic difference.
Highlights
Statistically significant (p B0.05) but small differences between non-Sami and Sami were found for triglycerides, diastolic blood pressure, p-glucose, family history of myocardial infarction, moderate alcohol consumption and leisure-time physical activity
This study showed an excess burden of self-reported angina and angina pectoris symptoms (APS) in Sami women and men compared with a non-Sami population in the same region
If the objective is to assess lifetime angina pectoris, our findings suggest that a combination of self-reported angina and angina measured through the 2-item Rose angina questionnaire (RAQ) is important
Summary
To assess the population burden of angina pectoris symptoms (APS), self-reported angina and a combination of these, and explore potential ethnic disparity in their patterns. This study revealed an excess of APS, self-reported angina and a combination of these in Sami relative to non-Sami women and men. This study revealed an excess of APS, self-reported angina and a combination of these in Sami women and men relative to non-Sami women and men. A recent study observed a somewhat higher apoB/apoA-1 ratio and cholesterol level in middle-aged Sami men and women compared with non-Sami men and women [2]. These 2 studies were both SAMINOR studies. Assessing the population burden of angina pectoris and exploring potential ethnic disparity in its distribution with regard to traditional risk factors in areas with both Sami and non-Sami populations is relevant. We measured the burden of self-reported angina pectoris alone and in combination with the RAQ
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