| Physical activity, cardio-respiratory fitness, and metabolic traits in rural mexican tarahumara. | |
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MedLine Citation:
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PMID: 22308165 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Objectives: To study the association between physical activity energy expenditure (PAEE) and cardio-respiratory fitness (CRF) with key metabolic traits and anthropometric measures in the Tarahumara of Mexico. Methods: A cross-sectional study was carried out in five rural communities in Chihuahua, México including 64 adult Tarahumara, mean (SD) age 40.7 (12.9) years. Using a combined accelerometer and heart rate sensor, PAEE was measured over three consecutive days and nights and a sub-maximal step test was carried out in order to (1) calibrate heart rate at the individual level and (2) to estimate CRF. Random blood glucose level and resting blood pressure (BP) were measured with standard anthropometrics. Results: Mean (SD) PAEE was 71.2 (30.3) kJ kg(-1) day(-1) and CRF was 36.6 (6.5) mlO(2) min(-1) kg(-1) . Mean (SD) glucose was 127.9 (32.4) mg/dl, with 3.3% having diabetes. Mean (SD) systolic and diastolic BP was 122 (20.8) and 82 (14.8) mm Hg, respectively, with 28.1% having hypertension. Mean body mass index was 27.5 (4.2) kg m(-2) , with 71.9% being overweight. Following adjustment for age and sex, weak inverse associations were observed between PAEE and systolic BP (β = -0.20, P = 0.27) and diastolic BP (β = -0.16, P = 0.23); and between CRF and systolic BP (β = -0.51, P = 0.14) and diastolic BP (β = -0.53, P = 0.06). The inverse associations with glucose were also weak and not statistically significant for neither PAEE (β = -0.01, P = 0.63) nor CRF (β = -0.05, P = 0.27). Conclusions: This study suggests high levels of overweight and hypertension in the Tarahumara, and points to fitness and physical activity as potential intervention targets although findings should be confirmed in larger samples. Am. J. Hum. Biol. 2012. © 2012 Wiley Periodicals, Inc. |
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Authors:
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Dirk Lund Christensen; Imelda Alcalá-Sánchez; Irene Leal-Berumen; Miguel Conchas-Ramirez; Soren Brage |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-2-5 |
Journal Detail:
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Title: American journal of human biology : the official journal of the Human Biology Council Volume: - ISSN: 1520-6300 ISO Abbreviation: - Publication Date: 2012 Feb |
Date Detail:
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Created Date: 2012-2-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8915029 Medline TA: Am J Hum Biol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Wiley Periodicals, Inc. |
Affiliation:
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Department of International Health, University of Copenhagen, Copenhagen, Denmark; Steno Diabetes Center, Gentofte, Denmark. dirklc@sund.ku.dk. |
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