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OBJECTIVES To ascertain the prevalence, diagnostic level, and treatment of COPD in Spain through a multicenter study comprising seven different geographic areas. DESIGN AND PARTICIPANTS This is an epidemiologic, multicenter, population-based study conducted in seven areas of Spain. A total of 4,035 men and women (age range, 40 to 69 years) who were(More)
OBJECTIVE Obesity drives the diabetes epidemic. However, it is not known which obesity index best explains variations in type 2 diabetes mellitus prevalence across populations. RESEARCH METHODS AND PROCEDURES We analyzed three cross-sectional studies from San Antonio, TX, (Mexican-Americans and non-Hispanic whites, n = 2839), Mexico City (n = 2233), and(More)
The prevalence of Parkinson's disease (PD) and other types of parkinsonism in three elderly populations of central Spain was investigated using a door-to-door, two-phase approach. This design called for the administration of a brief questionnaire to subjects 65 years of age or older taken from the census of one urban municipality of Greater Madrid(More)
OBJECTIVE To compare the expression of the metabolic syndrome in Spain and San Antonio, TX, two populations with major differences regarding their cardiovascular risk profile. RESEARCH METHODS AND PROCEDURES Cross-sectional analysis of population-based, epidemiological surveys using the metabolic syndrome definition of the National Cholesterol Education(More)
OBJECTIVE To ascertain the differences in smoking characteristics between a group of smokers with COPD and another group of healthy smokers, both of which were identified in a population-based epidemiologic study. DESIGN AND PARTICIPANTS This is an epidemiologic, multicenter, population-based study conducted in seven areas of SPAIN: A total of 4,035(More)
INTRODUCTION AND OBJECTIVES To determine the prevalence and geographic distribution of major cardiovascular risk factors in the Spanish population. To investigate whether geographic variability exists. METHODS Data were pooled from eight cross-sectional epidemiologic studies carried out in Spain between 1992 and 2001 whose methodological quality satisfied(More)
AIMS/HYPOTHESIS It is commonly thought that hyperglycaemia results from insufficient compensation of insulin secretion for insulin resistance. To verify this hypothesis, we assessed beta cell function and insulin sensitivity (IS) in a large cohort of volunteers with normal glucose tolerance (NGT) or impaired glucose regulation (IGR), i.e. impaired glucose(More)
BACKGROUND To describe the frequency, in some European populations, of the World Health Organisation (WHO) defined metabolic syndrome and to compare the frequency of this syndrome with an alternative definition for non-diabetic subjects, called the insulin resistance syndrome proposed by the European Group for the Study of Insulin Resistance (EGIR). (More)
The aim of the study was to obtain the general population norms for the St. George's Respiratory Questionnaire (SGRQ), a specific questionnaire for respiratory diseases. The IBERPOC project was a cross-sectional study of representative samples of the general population aged between 40-69 yrs. The study sample was composed of 862 individuals. All(More)
OBJECTIVE Confirmatory factor analysis (CFA) was used to test the hypothesis that the components of the metabolic syndrome are manifestations of a single common factor. RESEARCH DESIGN AND METHODS Three different datasets were used to test and validate the model. The Spanish and Mauritian studies included 207 men and 203 women and 1,411 men and 1,650(More)