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Aims To assess the prevalence of diabetes mellitus and impaired glucose metabolism in the Basque Country and their relationship with cardiovascular risk factors. Methods A population-based, cross-sectional, cluster sampling design study was carried out in an adult (≥18 years) Basque population. A total of 847 participants completed a questionnaire on personal and family medical history and lifestyle. Anthropometric variables and blood pressure were measured and biochemical analysis and an oral glucose tolerance test (75 g) were also performed. Results The total prevalence of diabetes was 10.6% (95% CI 8.65-12.95). Among them 6.3% (95% CI 4.79-8.22) had previously been diagnosed and 4.3% (95% CI 3.04-5.92) were not aware that they had diabetes. Impaired glucose tolerance was present in 7.2% (95% CI 5.53-9.15) and impaired fasting glucose in 3.8% (95% CI 2.64-5.37) of the population. In total, 21.6% of the population had some type of glucose metabolism disturbance, with a higher rate among men (28.3 vs 16.3%; P<0.001) and with the rate increasing with age. Risk factors independently associated with the development of diabetes were: male sex [odds ratio 4.58 (95% CI 2.34-8.97)]; abdominal obesity [odds ratio 2.80 (95% CI 1.47-5.36)]; high triglyceride levels [odds ratio 2.46 (95% CI 1.26-4.81)]; hypertension [odds ratio 2.40 (95% CI 1.16-4.96)]; family history of diabetes [odds ratio 2.30 (95% CI 1.25-4.24)]; high LDL cholesterol levels [odds ratio 1.83 (95% CI 1.01-3.31)] and older age [odds ratio 1.08 (95% CI 1.05-1.10)]. Conclusions The prevalence of diabetes in the Basque Country was lower than in Spain and was independently associated with family history of diabetes and with cardiovascular risk factors such as abdominal obesity, hypertension, high LDL cholesterol levels and high triglyceride levels, which were also observed in those with prediabetes. [ABSTRACT FROM AUTHOR]

Objective: To examine the use of vitamin D supplements during infancy among the participants in an international infant feeding trial., Design: Longitudinal study., Setting: Information about vitamin D supplementation was collected through a validated FFQ at the age of 2 weeks and monthly between the ages of 1 month and 6 months., Subjects: Infants (n 2159) with a biological family member affected by type 1 diabetes and with increased human leucocyte antigen-conferred susceptibility to type 1 diabetes from twelve European countries, the USA, Canada and Australia., Results: Daily use of vitamin D supplements was common during the first 6 months of life in Northern and Central Europe (>80% of the infants), with somewhat lower rates observed in Southern Europe (> 60%). In Canada, vitamin D supplementation was more common among exclusively breast-fed than other infants (e.g., 71% v. 44% at 6 months of age). Less than 2% of infants in the U.S.A. and Australia received any vitamin D supplementation. Higher gestational age, older maternal age and longer maternal education were study-wide associated with greater use of vitamin D supplements., Conclusions: Most of the infants received vitamin D supplements during the first 6 months of life in the European countries, whereas in Canada only half and in the U.S.A. and Australia very few were given supplementation.