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Trends in the association of parental history of obesity over 60 years.


ABSTRACT: OBJECTIVE:The association of familial as compared to genetic factors in the current obesogenic environment, compared with earlier, leaner time periods, is uncertain. METHODS:Participants from the Framingham Heart Study were classified according to parental obesity status in the Original, Offspring, and Third Generation cohorts; mean BMI levels were estimated and we compared the association of parental history across generations. Finally, a genetic risk score comprised of 32 well-replicated single nucleotide polymorphisms for BMI was examined in association with BMI levels in 1948, 1971, and 2002. RESULTS:BMI was 1.49 kg/m2 higher per each affected parent among the Offspring, and increased to 2.09 kg/m2 higher among the Third Generation participants (P-value for the cohort comparison=0.007). Parental history of obesity was associated with increased weight gain (P?

SUBMITTER: Fox CS 

PROVIDER: S-EPMC3887126 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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<h4>Objective</h4>The association of familial as compared to genetic factors in the current obesogenic environment, compared with earlier, leaner time periods, is uncertain.<h4>Methods</h4>Participants from the Framingham Heart Study were classified according to parental obesity status in the Original, Offspring, and Third Generation cohorts; mean BMI levels were estimated and we compared the association of parental history across generations. Finally, a genetic risk score comprised of 32 well-r  ...[more]

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