| The co-occurrence of obesity, elevated blood pressure, and acanthosis nigricans among American Indian school children: identifying individual heritage and environment-level correlates. | |
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MedLine Citation:
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PMID: 21445934 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To estimate the prevalence and explore the social and cultural etiologic roots of weight status, blood pressure, and acanthosis nigricans among American Indian children on a reservation in South Dakota. METHODS: This observational study was conducted in 26 schools from 1998 to 2002 and included 5,422 observations representing 3,841 children, ages 3 to 19. Trained staff measured height, weight, blood pressure, and assessed the presence of acanthosis nigricans (AN). Percent Indian heritage (PIH) was abstracted from tribal records. Sociodemographic environment (SDE) was calculated using the 2000 Census at the city/town level. Descriptive analyses were conducted using one measurement time point, including tests for trend and co-occurrence of risk factors using the [kappa] statistic. Hierarchical, multivariate logistic regression estimated associations with overweight/obesity status, accounting for multiple measures on individuals and SDE. RESULTS: The overall prevalence of overweight/obesity was 46%, of hypertension 9%, and of AN 14%. The co-occurrence of risk factors was moderate to high. PIH and AN were positively associated in unadjusted analysis. Controlling for sex, age, and SDE, higher PIH was a significant correlate of overweight/obesity, although when hypertension (OR = 5.92, CI = 3.27-10.72), prehypertension (OR = 3.80, CI = 1.99-7.26), and AN (OR = 16.20, CI = 8.08-32.48) were included in the model PIH was no longer significant. SDE was not significantly associated with overweight/obesity. CONCLUSION: PIH appeared to be an important correlate of overweight and obesity, except when adjusted for the co-occurrence of high blood pressure and AN. Overall, the prevalence and co-occurrence of various risk factors in this population was high. Obesity prevention initiatives targeting families and communities are needed, as well as access to screening and treatment services. |
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Authors:
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Mary O Hearst; Melissa N Laska; John H Himes; Mark Butterbrodt; Alan Sinaiko; Richard Iron Cloud; Mary Tobacco; Mary Story |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't Date: 2011-03-28 |
Journal Detail:
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Title: American journal of human biology : the official journal of the Human Biology Council Volume: 23 ISSN: 1520-6300 ISO Abbreviation: Am. J. Hum. Biol. Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-04-12 Completed Date: 2011-08-08 Revised Date: 2012-05-02 |
Medline Journal Info:
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Nlm Unique ID: 8915029 Medline TA: Am J Hum Biol Country: United States |
Other Details:
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Languages: eng Pagination: 346-52 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Wiley-Liss, Inc. |
Affiliation:
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Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota 55454, USA. hearst@umn.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acanthosis Nigricans
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complications,
epidemiology,
ethnology* Adolescent Child Child, Preschool Cluster Analysis Cross-Sectional Studies Female Humans Hypertension / complications, epidemiology, ethnology* Indians, North American* Male Obesity / complications, epidemiology, ethnology* Prevalence Retrospective Studies Risk Factors Socioeconomic Factors South Dakota / epidemiology Young Adult |
| Grant Support | |
ID/Acronym/Agency:
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1 U54 CA116849-01/CA/NCI NIH HHS; K07CA126837/CA/NCI NIH HHS; U54 CA116849-01/CA/NCI NIH HHS |
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