![]() ![]() The statistical phenomenon of regression to the mean is much like catch-up growth, an inverse correlation between initial height and later height gain. Both groups defined catch-up as an inverse correlation between early height and subsequent growth, but Martorell based the correlation on height, whereas Adair used height z scores. (1992) showed that stunted Guatemalan infants remain stunted into adulthood, whereas Adair (1999) found appreciable catch-up growth in Filipino children from 2-12 years. Catch-up growth or regression to the mean? Recovery from stunting revisited.Ĭameron, Noël Preece, Michael A Cole, Tim JĪn important question for policy is the extent to which catch-up growth can ease the impact of early stunting.
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