| Summary: | This research explicated the use of exploratory data analysis in describing type II diabetes mellitus among the Navajo Indians. A sample of 98 diagnosed diabetics was obtained from a retrospective chart review and had a 1.3:1 female to male ratio, a median age of 58.6 years, and a mean duration for diabetes of 7.66 years. Other characteristics included a median age at diagnosis of 50 years, a median weight prior to diagnosis (expressed in percent desired weight) of 140%, and a median blood glucose value at time of diagnosis of 241 mg/dl. The distribution patterns for age, weight, and blood glucose revealed several asymmetry problems which had implications for the appropriateness of using parametric statistics in numerical summarizations. Bivariate analyses revealed a negative association between age at diagnosis and percent desired weight prior to diagnosis. This finding identifies the risk that obesity brings to the young and that aging brings to the non-obese, Navajo Indian.
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