Assessing iodine intakes in pregnancy: why does this matter?

Assessing iodine intakes in pregnancy: why does this matter?

The study by Condo et al. in this issue of the British Journal of Nutrition assessed the utility of a forty-four-item FFQ for use in determining the iodine intake of pregnant Australian women. This is the first such study designed specifically for pregnancy. A strength of the study was the administration of the FFQ at two different time points in gestation, which allowed for assessment of the r...

why does research evaluation matter?

no abstract

Why Does Velocity Matter?

THE significant decline in the income velocity of money during 1982 and in the first quarter of 1983 has engendered confusion and controversy.’ Amid this controversy, little attention has been paid to the more fundamental role velocity plays in macroeconomics and, hence, about its potential and actual importance in the conduct of monetary policy. This article sets forth the concept of income ve...

Why Does Ethnicity Matter?

Why does clustering matter in orthodontic trials?

Clustering in RCTs occurs when participants or units are allocated to an intervention in a group rather than independently or when multiple measurements are taken from the same individual. Cluster RCTs occur frequently in clinical orthodontic research; however, only a quarter of published trials take account of the effects of clustering in the design and analysis of these trials. The effects of...