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BMI self-selection: Exploring alternatives to self-reported BMI by Shiely, Frances (author);Millar, Seán R (author) is a Mathematics article available to read on EtoBox.

What is BMI self-selection: Exploring alternatives to self-reported BMI about?

Background: Accurately measuring BMI in large epidemiological studies is problematic as objective measurements are expensive, so subjective methodologies must usually suffice. The purpose of this study is to explore a new subjective method of BMI measurement: BMI self-selection. Methods: A cross-sectional analysis of the Mitchelstown Cohort Rescreen study, a random sample of 1,354 men and women aged 51-77 years recruited from a single primary care centre. BMI self-selection was measured by asking patients to select their BMI category: underweight, normal weight, overweight, obese. Weight and height were also objectively measured. Results: 79% were overweight or obese: 86% of males, 69% of females (P < 0.001) and 59% of these underestimated their BMI. The sensitivity for correct BMI self-selection for normal weight, overweight and obese was 77%, 61% and 11% respectively. In multivariable analysis, gender, higher education levels, being told by a health professional to lose weight, and being on a diet were significantly associated with correct BMI self-selection. There was a linear trend relationship between increasing BMI levels and correct selection of BMI; participants in the high

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Author

Shiely, Frances (author);Millar, Seán R (author)

Publisher

SAGE Publications

Published

2021

Language

EN

Field

Mathematics (Social Sciences)