A preliminary report: effects of zinc and micronutrient repletion on growth and neuropsychological function of urban Chinese children.

What Was Tested

The paper reports a study of Zinc, published as a randomized controlled trial.

Zinc is essential for growth and cognition of experimental animals.

Therefore the researchers measured effects of zinc repletion on growth and neuropsychological functions of children.

Who Took Part

According to the abstract, 40 children were involved.

By PubMed's age tags, the people studied were children.

Double-blind randomized controlled treatment trial.

Elementary schools in low income districts of Chongqing, Qingdao and Shanghai.

How the Study Was Run

The researchers set it up as a randomized and double-blind study.

Because people in this Zinc study were split into groups at random, differences between the groups are less likely to reflect who happened to join each one.

As a double-blind Zinc study, the assignments were hidden from both participants and investigators until the end.

Three hundred-seventy-two 6 to 9 year old first graders.

The micronutrient mixture was based on guidelines of the US NAS/NRC.

What Was Measured

The subject headings attached to it are Analysis of Variance, China, Growth, Hair, Micronutrients, Poverty and Psychomotor Performance.

What This Means in Plain Language

The paper is a randomized and double-blind study of Zinc in 40 children.

Its findings take up roughly 5 sentences of the abstract and are left out here on purpose; the source paper is the place to read them.

The publication is from 1997 (Journal of the American College of Nutrition), a journal based in United States.

More context: the related Vitamin D, K2, Magnesium and Zinc library page, all human trials.