OBJECTIVE To examine the global prevalence and major risk factors for diabetic retinopathy
(DR) and vision-threatening diabetic retinopathy (VTDR) among people with diabetes. …

Background Contemporary data for causes of vision impairment and blindness form an
important basis of recommendations in public health policies. Refreshment of the Global Vision …

Background Global and regional prevalence estimates for blindness and vision impairment
are important for the development of public health policies. We aimed to provide global …

Cancers arise owing to mutations in a subset of genes that confer growth advantage. The
availability of the human genome sequence led us to propose that systematic resequencing of …

This classic text on multiple regression is noted for its nonmathematical, applied, and data-analytic
approach. Readers profit from its verbal-conceptual exposition and frequent use of …

This successful book, now available in paperback, provides academics and researchers
with a clear set of prescriptions for estimating, testing and probing interactions in regression …

… in a south-west direction to winter in the western Mediterranean region. During the past 40
years a new migration habit has evolved, with some blackcaps migrating west to Britain; F1 …

A Monte Carlo study compared 14 methods to test the statistical significance of the intervening
variable effect. An intervening variable (mediator) transmits the effect of an independent …

Monte Carlo computer simulations were used to investigate the performance of three χ–2
test statistics in confirmatory factor analysis (CFA). Normal theory maximum likelihood χ–2 (ML)…

given that real data often fail to satisfy the underlying scaling and normality assumptions,
there has been growing interest in determining the robustness of structural equation modeling …