Abstract BACKGROUND: This study is a survey of cardiovascular risk factors in Sardinia in the years 1999-2001 and allows us to update previously observed trends of such factors and to compare them with those in the Italian mainland. METHODS: Random samples of free living population of the Mediterranean island of Sardinia, Italy, were collected. Overall, 6818 subjects, 50% of each sex, and aged 20-80+ years constituted the sample. Personal and family data were collected using a semiquantitative questionnaire of frequencies. Blood biochemical variables related to risk for atherosclerosis were measured. In particular, serum total cholesterol, HDL-cholesterol, triglycerides, Apo A-1, Apo B, Lp(a), uric acid, blood glucose and plasma homocysteine were analyzed in each subject enrolled. RESULTS: In the age classes 20-59 years, during a 30 year period, prevalence of smoking among males continued to decrease from 58 to 24% (p for trend <0.001), and, for the first time, prevalence of smoking among females decreased as well: from 31% in 1995 to 20% in 2001 (p for trend <0.001). In contrast, a steady increase in TC (mg/dl) (189, 206, 215, 216, p for trend <0.05 in males and 184 197, 212, 217, p for trend <0.05 in females), and LDL-C (136, 143, 138, 144, p for tend <0.05 in males and 127, 139, 136, 135, p for trend <0.05 in females) was observed. HDL-C showed a steady increase (p for trend <0.01 in males and females). Lp(a) values were high in both sexes, a finding linked to the ethnic influence on them. Systolic and diastolic blood pressure values (mm Hg) increased with age. In the present survey (population aged 20-80+ years, current smokers were 17.5% among males and 13.8% among females. Total and HDL-cholesterol were higher than in other parts of Italy (209 vs 205 in males, and 211 vs 204 in females), while systolic and diastolic blood pressure were lower. CONCLUSION: Overall, total- and LDL-cholesterol showed an increasing trend, while blood pressure and smoking habits had a decreasing tendency. The increase in blood cholesterol follows the trend in other areas of the world, mainly due to changing dietary habits. Therefore, a campaign of eating information and education (population strategy) could favourably modify cardiovascular risk, as occurred in Sardinia during the past decade with the Regional ATS-Sardegna Campaign.
Risk factors for cardiovascular disease in Sardinia from 1978 to 2001: A comparative study with Italian mainland
MUNTONI, SANDRO;ATZORI, LUIGI;
2009-01-01
Abstract
Abstract BACKGROUND: This study is a survey of cardiovascular risk factors in Sardinia in the years 1999-2001 and allows us to update previously observed trends of such factors and to compare them with those in the Italian mainland. METHODS: Random samples of free living population of the Mediterranean island of Sardinia, Italy, were collected. Overall, 6818 subjects, 50% of each sex, and aged 20-80+ years constituted the sample. Personal and family data were collected using a semiquantitative questionnaire of frequencies. Blood biochemical variables related to risk for atherosclerosis were measured. In particular, serum total cholesterol, HDL-cholesterol, triglycerides, Apo A-1, Apo B, Lp(a), uric acid, blood glucose and plasma homocysteine were analyzed in each subject enrolled. RESULTS: In the age classes 20-59 years, during a 30 year period, prevalence of smoking among males continued to decrease from 58 to 24% (p for trend <0.001), and, for the first time, prevalence of smoking among females decreased as well: from 31% in 1995 to 20% in 2001 (p for trend <0.001). In contrast, a steady increase in TC (mg/dl) (189, 206, 215, 216, p for trend <0.05 in males and 184 197, 212, 217, p for trend <0.05 in females), and LDL-C (136, 143, 138, 144, p for tend <0.05 in males and 127, 139, 136, 135, p for trend <0.05 in females) was observed. HDL-C showed a steady increase (p for trend <0.01 in males and females). Lp(a) values were high in both sexes, a finding linked to the ethnic influence on them. Systolic and diastolic blood pressure values (mm Hg) increased with age. In the present survey (population aged 20-80+ years, current smokers were 17.5% among males and 13.8% among females. Total and HDL-cholesterol were higher than in other parts of Italy (209 vs 205 in males, and 211 vs 204 in females), while systolic and diastolic blood pressure were lower. CONCLUSION: Overall, total- and LDL-cholesterol showed an increasing trend, while blood pressure and smoking habits had a decreasing tendency. The increase in blood cholesterol follows the trend in other areas of the world, mainly due to changing dietary habits. Therefore, a campaign of eating information and education (population strategy) could favourably modify cardiovascular risk, as occurred in Sardinia during the past decade with the Regional ATS-Sardegna Campaign.
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