Myanmar Health Sciences Research Journal


Archives   2016

Myanmar   Health   Sciences   Research   Journal

Volume   28,  Number   1

TITLE:   Effect of Zinc Supplementation on Physical Growth and Serum Zinc Level of Primary School Children in North Dagon Township
AUTHOR:   Thuzar Htwe, Mya Thanda Sein & Than Oo
SOURCE:   Myanmar Health Sciences Research Journal, Vol. 28, No. 1, 2016
ABSTRACT:   This study aimed to determine the effect of zinc supplementation on physical growth and serum zinc level of primary school children in North Dagon Township, Yangon. This study was a community-based, quasi experimental study on apparently healthy 76 children aged 7-9 years. The children were randomly assigned to either zinc group (n=38) or placebo group (n=38). Zinc group received 5 ml of zinc sulphate containing 10 mg elemental zinc and 1 ml of vitazone syrup per day, and placebo group received only 1 ml of vitazone syrup. The supplementation continued for 4 months in both groups. Anthropometric measurements such as height, weight, mid arm circumferences, skinfold thickness (biceps, triceps, suprailiac, subscapular) and lean body mass were taken at the beginning and three visits with 40-day interval. Blood samples were taken before and at the end of the intervention. At the end of the intervention period, serum zinc level significantly increased in the study group (80.44±7.02 vs. 92.28± 8.64 µg/dl, p<0.001) whereas there was no significant difference in control group (79.24±6.42 vs. 85.92±6.27 µg/dl). Effect size of zinc supplemen-tation was 0.73. There was no significant effect of zinc on height, weight, mid arm circumferences and skinfold thickness. However, significant increment in lean body mass was found after zinc supplementation. In conclusion, the present study showed that zinc supplementation for four months improved lean body mass of apparently healthy primary school children in North Dagon Township.
SUBJECT HEADINGS:   Zinc supplementation, Serum zinc level, Mid arm circumference, Skinfold thickness, Lean body mass
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