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When compared to other Australian studies, our study had lower mean differences in self-reported and measured values for reporting of height and weight, particularly for females.
To assess factors influencing non-reporting of height and weight, we fit a logistic regression predicting reporting of height and weight by age, ethnicity, education, literacy, and time since last weighing.
Further, selective underreporting of weight and over reporting of height are influenced by actual body size as well as sociodemographic characteristics [ 37].
Most likely, this could result in an under reporting of weight and an over reporting of height, the consequence of which would be an underestimate of the associations between BMI and any other variable.
To assess the combined effects of measurement error and changes in women's BMI over the follow-up period, a sample of women was asked to have their weight and height measured by their general practitioners 9 years after their reporting of height and weight.
Similar(55)
However, consistent with findings of previous studies [ 2, 11, 12, 15, 16], differences between MWS and NSHD anthropometric data included systematic over-reporting of height, and under-reporting of weight that was more pronounced among heavier individuals.
Among both women and men, self-reports of height exhibit significant social desirability bias only among those of below-average height, and very few individuals underreport their height.
Using self-reported weight and height data may raise concerns about systematic measurement error (in particular, systematic under-reporting of weight and/or systematic over-reporting of height), which could bias the results.
Each participant completed study questionnaires (which included a self-report of height, weight, and diabetes status) and provided 30 mL of research blood sample.
Surrogate stature measurement methods using sliding calipers, self-reporting of height and predictions using regression equations have been reported.
Due to the self-reporting of height and weight, upon which we relied without collecting actual measurement, the reliability of the BMI data is questionable [ 31].
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