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Hypertension in Alaska Natives: association with overweight, glucose intolerance, diet and mechanized activity.

Murphy NJ, Schraer CD, Theile MC, Boyko EJ, Bulkow LR, Doty BJ, Lanier AP. Hypertension in Alaska Natives: association with overweight, glucose intolerance, diet and mechanized activity. Ethnicity And Health. 1997 Nov 1; 2(4):267-75.

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OBJECTIVE: Determine the prevalence of hypertension in Alaska Natives and evaluate risk factors. DESIGN: Population-based univariate and multivariate analysis of blood pressure in 1124 Alaska Natives over 20 years of age. RESULTS: The sample had mean: age 45 years, body mass index 27, systolic pressure 123 mmHg and diastolic pressure 73 mmHg. The age-adjusted rate of hypertension > or = 160/95 mmHg was 9.1% and 6.8% among Athabascan Indians and Yup'ik Eskimos, respectively. After controlling for age and sex there was significantly more hypertension among Athabascan Indians (OR = 1.53, CI = 1.07-2.2, p = 0.019) compared to Yup'ik Eskimos. Race was significantly associated with blood pressure > or = 140/90 when controlled for age and overweight (p = 0.01, OR = 0.78, CI = 0.69-0.95). The presence of hypertension was significantly associated with the following: intake of non-indigenous food (p = 0.01); mechanized activities (p = 0.01); and glucose intolerance in both women (p = 0.043) and men (p = 0.001). Multiple regression analysis revealed age (OR = 1.06, CI = 1.05-1.08) and overweight in both men (OR = 3.02, CI = 1.85-4.93) and women (OR = 2.76, CI = 1.81-4.19) to be significantly associated with BP > or = 140/90. CONCLUSION: Hypertension is no longer rare in Alaska Natives and is associated with overweight, non-indigenous diet, mechanized activities, and glucose intolerance.

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