Body mass index and alternative indices of obesity in relation to height, triceps skinfold and subsequent mortality: the Busselton Health Study

T.A. Welborn, Matthew Knuiman, H.T.V. Vu

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Abstract

OBJECTIVES: The ideal index for leanness and obesity in epidemiological studies should correlate strongly with body weight and with a direct measure of Pal while minimizing the influence of height. The preferred index is expected to show meaningful associations with subsequent mortality. Our aims were to compare weight/height, weight/height(2) (body mass index or BMI), and weight/height(2) as candidates for this index.DESIGN: We analysed cross-sectional date from surveys of 6948 adults (3334 men (mean age 43y, mean BMI 24.8 kg/m(2)), and 3614 women (mean age 42y, mean BMI 24.3 kg/m(2))) in Busselton, Australia whose weight, height, triceps skinfold, and cardiovascular risk factors were measured from 1966 through to 1978. In these same subjects we studied the mortality risks of indices of obesity using Cox regression analysis for survival time from first survey to death, or to follow up at the end of December 1995, after adjustment for age. Subjects dying within 5 y of the baseline survey were excluded from the analysis tea avoid the bias of concurrent illness. We also studied subgroups including never smokers, subjects with no heart: disease, and subjects
Original languageEnglish
Pages (from-to)108-115
JournalInternational Journal of Obesity
Volume24
Issue number1
DOIs
Publication statusPublished - 2000

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