Is migration to Sweden associated with increased prevalence of risk factors for cardiovascular disease?

• BACKGROUND: [corrected] The proportion of elderly immigrants in Sweden is increasing. This is an important issue considering that the prevalence of cardiovascular disease (CVD) is a global health problem and that CVD is one of the main causes of morbidity among the elderly. The aim of this study is to analyze whether there is an association between migration status, that is being an elderly Iranian immigrant in Sweden, as compared with being an elderly Iranian in Iran, and the prevalence of risk factors for CVD. DESIGN: Population-based cross-sectional study with face-to-face interviews. PARTICIPANTS AND SETTING: A total of 176 Iranians in Stockholm and 300 Iranians in Tehran, aged 60-84 years. METHODS: The prevalence of general obesity, abdominal obesity, hypertension, smoking, and diabetes was determined. Unconditional logistic regression analysis was used to calculate odds ratios (ORs) with 95% confidence intervals (CIs) for outcomes. RESULTS: The age-adjusted risk of hypertension and smoking was higher in Iranian women and men in Sweden. OR for hypertension was 1.9 (95% CI: 1.1-3.2) for women and 3.1 (95% CI: 1.5-6.3) for men and OR for smoking was 6.9 (95% CI: 2.2-21.6) for women and 4.7 (95% CI: 2.0-11.0) for men. The higher risk for hypertension and smoking remained significant after accounting for age, socioeconomic status, and marital status. Abdominal obesity was found in nearly 80% of the women in both groups. CONCLUSION: The findings show a strong association between migration status and the prevalence of hypertension and smoking. Major recommendation for public health is increased awareness of CVD risk factors among elderly immigrants.

Nyckelord

cardiovascular disease

emigration and immigration

Iran

risk factors

MEDICINE

MEDICIN

cardiovascular disease

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