Table 2 Background information of population-based studies contributing to the review
StudyAcronymSizeAge (years)Description
Atherosclerosis Risk in Communities StudyARIC15 79245–64Longitudinal US population-based study of cardiovascular disease
Beaver Dam Eye StudyBDES492643–84Longitudinal US population-based study of eye disease and medical health
Cardiovascular Health StudyCHS5201>65Longitudinal US population-based study of coronary heart disease and stroke
Rotterdam StudyROTT7983>55Longitudinal Dutch population-based study of chronic diseases
Blue Mountains Eye StudyBMES3654>49Longitudinal Australian population-based study of vision, common eye diseases and health outcomes
Wisconsin Epidemiological Study of Diabetic RetinopathyWESDR996AllLongitudinal US study of patients receiving treatment for type I diabetes
Australian Diabetes, Obesity and Lifestyle StudyAusdiab11 247>25Cross-sectional Australian population-based survey