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J Womens Health (Larchmt). 2011 Apr;20(4):599-604. doi: 10.1089/jwh.2009.1850. Epub 2011 Mar 17.

Self-reported versus measured height and weight in Hispanic and non-Hispanic menopausal women.

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1
Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33101, USA.

Abstract

BACKGROUND:

Height and weight information is commonly used in clinical trials and in making therapeutic decisions in medical practice. In both settings, the data are often obtained by self-report. If erroneous, this practice could lead to inaccuracies in estimating renal function and medication doses or to inaccurate outcomes of research studies. Previous publications have reported lack of reliability of self-reported weight and height in the general population but have not addressed age-specific and ethnicity-specific subgroups in the U.S. population. The inaccuracy of self-reported weight and height could be particularly significant in times of considerable changes in body weight, such as at menopause, which is often associated with weight gain.

METHODS:

We assessed the validity of self-reported height and weight in 428 women within the first 5 years of menopause, 70.6% of whom were Hispanic.

RESULTS:

Participants overestimated their height by 2.2±3.5 cm (mean±standard deviation [SD]) and underestimated their weight by 1.5±2.9 kg. As a group, based on self-reported measures, 33.3% were misclassified with respect to body mass index (BMI) category, and the difference between measured BMI and self-reported BMI was similar between Hispanic white and non-Hispanic white women, positively related to measured weight, and inversely related to measured height, years from menopause, and multiple parity.

CONCLUSIONS:

From the public health perspective, inaccurate self-report could lead to a considerable underestimation of the current obesity prevalence rates. In our study population, the prevalence of obesity (BMI ≥30 kg/m(2)) was 6.3% based on self-reported values and 18% based on measured height and weight, representing a 3-fold underestimation.

PMID:
21413893
PMCID:
PMC3115416
DOI:
10.1089/jwh.2009.1850
[Indexed for MEDLINE]
Free PMC Article
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