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Estimating secular changes in longitudinal growth patterns underlying adult height with the QEPS model: the Grow Up Gothenburg cohorts

Background Over the past 150 years, humans have become taller, and puberty has begun earlier. It is unclear if these changes are continuing in Sweden, and how longitudinal growth patterns are involved. We aimed to evaluate the underlying changes in growth patterns from birth to adulthood by QEPS est...

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Bibliographic Details
Published in:Pediatric research 2018-07, Vol.84 (1), p.41-49
Main Authors: Holmgren, Anton, Niklasson, Aimon, Nierop, Andreas F. M., Gelander, Lars, Aronson, A. Stefan, Sjöberg, Agneta, Lissner, Lauren, Albertsson-Wikland, Kerstin
Format: Article
Language:English
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Summary:Background Over the past 150 years, humans have become taller, and puberty has begun earlier. It is unclear if these changes are continuing in Sweden, and how longitudinal growth patterns are involved. We aimed to evaluate the underlying changes in growth patterns from birth to adulthood by QEPS estimates in two Swedish cohorts born in 1974 and 1990. Methods Growth characteristics of the longitudinal 1974 and 1990-birth cohorts ( n  = 4181) were compared using the QEPS model together with adult heights. Results There was more rapid fetal/infancy growth in girls/boys born in 1990 compared to 1974, as shown by a faster Etimescale and they were heavier at birth. The laterborn were taller also in childhood as shown by a higher Q -function. Girls born in 1990 had earlier and more pronounced growth during puberty than girls born in 1974. Individuals in the 1990 cohort attained greater adult heights than those in the 1974 cohort; 6 mm taller for females and 10 mm for males. Conclusion A positive change in adult height was attributed to more growth during childhood in both sexes and during puberty for girls. The QEPS model proved to be effective detecting small changes of growth patterns, between two longitudinal growth cohorts born only 16 years apart.
ISSN:0031-3998
1530-0447
DOI:10.1038/s41390-018-0014-z