942 resultados para United States. Army. Cavalry
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UANL
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A case-control study has been conducted examining the relationship between preterm birth and occupational physical activity among U.S. Army enlisted gravidas from 1981 to 1984. The study includes 604 cases (37 or less weeks gestation) and 6,070 controls (greater than 37 weeks gestation) treated at U.S. Army medical treatment facilities worldwide. Occupational physical activity was measured using existing physical demand ratings of military occupational specialties.^ A statistically significant trend of preterm birth with increasing physical demand level was found (p = 0.0056). The relative risk point estimates for the two highest physical demand categories were statistically significant, RR's = 1.69 (p = 0.02) and 1.75 (p = 0.01), respectively. Six of eleven additional variables were also statistically significant predictors of preterm birth: age (less than 20), race (non-white), marital status (single, never married), paygrade (E1 - E3), length of military service (less than 2 years), and aptitude score (less than 100).^ Multivariate analyses using the logistic model resulted in three statistically significant risk factors for preterm birth: occupational physical demand; lower paygrade; and non-white race. Controlling for race and paygrade, the two highest physical demand categories were again statistically significant with relative risk point estimates of 1.56 and 1.70, respectively. The population attributable risk for military occupational physical demand was 26%, adjusted for paygrade and race; 17.5% of the preterm births were attributable to the two highest physical demand categories. ^
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Stamped at head of cover title: Also issued as 88/2 H. doc. 308.
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Prepared and published under the direction of Brigadier General C. Angus Fraser, the adjutant general of North Dakota. By authority of Legislative Assembly of North Dakota.
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Cover title.
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Mode of access: Internet.
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Description based on: 1897.
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Includes bibliographical references and index.
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Mode of access: Internet.
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On verso of t.-p.: War department Document no. 29. Office of the Quartermaster general.
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Chan Gurney, Chairman.
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Avery Classics (Offsite) copy: Seymour B. Durst Old York Library Collection, Avery Architectural & Fine Arts Library, Columbia University.
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Mode of access: Internet.
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Mode of access: Internet.
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Added t.-p., engr.