Читать книгу Applied Biostatistics for the Health Sciences - Richard J. Rossi - Страница 23
Example 1.3
ОглавлениеIn the article “A prospective study of coffee consumption and the risk of symptomatic gallstone disease in men” published in the Journal of the American Medical Association (Leitzmann et al., 1999), the authors reported the results of a prospective cohort study designed to investigate whether coffee consumption helps prevent symptomatic gallstone disease. This study consisted of n = 46, 008 men, aged 40–75 years in 1986, without any history of gallstone disease, and the subjects were monitored for a 10-year period from 1986 to 1996.