According to our results, total fat, saturated and monounsaturated fatty acids high intakes are associated with increased GD risk.

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To assess gallstone disease prevalence in Argentina, a random sample of the Rosario City population was studied, considering already known associated factors, and analyzing ethnic groups living in the city. A total of 1,173 participants (69% response), both sexes, 20 years and older were studied. Each subject underwent an abdominal ultrasound examination, a blood test, and a standardized questionnaire. It was seen that gallstone disease prevalence (gallstones or cholecystectomy), overall was 20.5% (23.8% in women and 15.5% in men; (P = 0.0005), and was associated with age and body mass index in both sexes, and with pregnancy number and hypertriglyceridemia in women. As regards ancestors' nationalities, Italian and Spanish descendants presented higher prevalence rates for all age groups than those described in Italy and Spain. Thus far, in a subsample of 78% of nonparticipants submitted to a new home visit, presence of cholecystectomy or symptoms did not differ from participants, supporting the validity of our results.