Reliability, technical error of measurements and validity of instruments for nutritional status assessment of children in the Third National Health and Morbidity Survey, Malaysia
The Third National Health & Morbidity Survey, Malaysia 2006 included nutritional status assessment of children. This study estimated the reliability, technical error of measurement (TEM) and validity of those instruments in 130 children below two from a paediatric clinic. Two nurses measured...
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Nutrition Society of Malaysia
2008
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| Online Access: | http://psasir.upm.edu.my/id/eprint/6818/1/Reliability.pdf http://psasir.upm.edu.my/id/eprint/6818/ http://www.nutriweb.org.my/publications/mjn0014_2/supplement.pdf |
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| Summary: | The Third National Health & Morbidity Survey, Malaysia 2006 included nutritional status
assessment of children. This study estimated the reliability, technical error of measurement (TEM)
and validity of those instruments in 130 children below two from a paediatric clinic. Two nurses
measured weight (WT) using Tanita digital weighing scale and Seca beam scale and length (LT)
using Seca measuring mat and Stadiometer. Absolute mean difference (AMD) and intra-class
correlation (ICC) for WT and LT indicated high inter and intra-examiner reliability. However, by
Bland and Altman plot, LT were less reliable. Relative TEMs for WT were within acceptable limits
whereas that of LT was slightly above the acceptable limits. The AMD and ICC showed that the test
instruments were highly valid, but LT was less accurate. This study suggests that WT and LT in
children below two using the test instruments were reliable and valid for a community survey.
However, LT measurements require special attention.
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