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The Trend of Mean BMI Values of US Adults, Birth Cohorts 1882-1986 Indicates that the Obesity Epidemic began Earlier than Hitherto Thought
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SYSNO ASEP 0346875 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The Trend of Mean BMI Values of US Adults, Birth Cohorts 1882-1986 Indicates that the Obesity Epidemic began Earlier than Hitherto Thought Author(s) Komlos, J. (DE)
Brabec, Marek (UIVT-O) RID, SAI, ORCIDSource Title American Journal of Human Biology - ISSN 1042-0533
Roč. 22, č. 5 (2010), s. 631-638Number of pages 8 s. Language eng - English Country US - United States Keywords BMI ; semiparametric model ; generalized additive model ; trend estimation ; birth cohort effects Subject RIV BB - Applied Statistics, Operational Research CEZ AV0Z10300504 - UIVT-O (2005-2011) UT WOS 000281492900009 EID SCOPUS 77957273232 DOI 10.1002/ajhb.21055 Annotation The trend in the body mass index (BMI) values of the US population has not been estimated accurately because the time series data are unavailable and the focus has been on calculating period effects. To estimate the trend and rate of change of BMI values by birth cohorts stratified by gender and ethnicity born 1882-1986, we use (semiparametric) loess additive regression models to estimate age and trend effects of BMI values of US-born black and white adults measured between 1959 and 2006. We infer that transition to postindustrial weights was a gradual process and began considerably earlier than hitherto supposed. The rate of increase was fastest among black females; for the three other groups under consideration, the rates of increase were similar. The generally persistent upward trend was punctuated by upsurges, particularly after each of the two world wars. Workplace Institute of Computer Science Contact Tereza Šírová, sirova@cs.cas.cz, Tel.: 266 053 800 Year of Publishing 2011
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