KINESIOL 2F03 Lecture Notes - Lecture 3: World Health Organization, National Health And Nutrition Examination Survey, Pregnancy
2 Apr 2016
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Document Summary
Growth charts: range of typical growth values, represent a sample of the population. Age and gender: easy to use/simple/visual-status/change. Information/data generated: random samples of us children 0-20, nhanes population surveys. 1977-2013 14 versions of revised growth charts: no segregation of data birth status/infant feeding. Full term, premature, breast or bottle fed, c-section, vaginal: no control for socioeconomic status, maternal health and multiple births. Result: describe how children actually grow, not how they should grow, growth reference charts. Information/data generated: 1977-2003, six international sites, to produce new growth curves to asses growth of children throughout the world, 2006 release of new charts from 0-5, high quality data birth-24 mo, inconsistently collected, specific inclusion data. Result: describe how healthy children should grow, growth standard charts (birth -2) Height and weight rarely matched: usually independent of each other. Change over time: relative weight/height, tracking/channeling, stable height /weight, abnormal growth. Outside the normal ranges: 97th percentile + cm/kg, 3rd percentile + x cm/kg.
