Changes in shape and location of BMI distributions of Swedish children

Aims: One aim was to disentangle how the shape and location of the BMI distribution changed among Swedish children over a 12 y period. Another aim was to identify the age during childhood when changes occurred or became manifest. Methods: Two population‐based cohorts—2591 children from Stockholm bor...

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Bibliographic Details
Published in:Acta Paediatrica 2005-11, Vol.94 (11), p.1558-1565
Main Authors: ERIKSSON, MARIT, RASMUSSEN, FINN, NORDQVIST, TOBIAS
Format: Article
Language:English
Subjects:
Adolescent
Biological and medical sciences
Body Mass Index
Child
Child Development
Child, Preschool
children
Cohort Studies
critical period
Disease Susceptibility
epidemiology
Female
General aspects
Humans
Infant
Male
Medical sciences
Medicin och hälsovetenskap
Metabolic diseases
Obesity
Obesity - epidemiology
Statistical Distributions
Sweden - epidemiology
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Summary:Aims: One aim was to disentangle how the shape and location of the BMI distribution changed among Swedish children over a 12 y period. Another aim was to identify the age during childhood when changes occurred or became manifest. Methods: Two population‐based cohorts—2591 children from Stockholm born 1985–1987 and 3650 from Gothenburg born 1973–1975—were compared with respect to BMI distributions from 2 to 15 y of age. Results: Differences between the BMI distributions of the two cohorts were present from 5–6 y of age. From age 7, the children born in 1985–1987 and belonging to the upper parts of the BMI distribution, e.g. those above the 90th or 95th BMI percentiles, had much higher BMI mean values compared to their counterparts born 12 y earlier. Comparisons with respect to the 5th, 10th, 25th, 50th, 75th, 90th and 95th BMI percentiles showed that changes appeared above the 25th percentile and became increasingly pronounced in the upper parts of the BMI distributions. Conclusion: School‐aged children in the rightmost parts of the BMI distributions may be more susceptible to “obesogenic” environmental exposures than those in the middle or leftmost parts. The results support the suggestion that the period of BMI rebound is critical for the development of obesity.
ISSN:0803-5253
1651-2227
DOI:10.1080/08035250500274926