Ethnic variation in validity of the estimated obesity prevalence using self-reported weight and height measurements
2011

Ethnic Differences in Obesity Estimates from Self-Reported Data

Sample size: 1199 publication 10 minutes Evidence: moderate

Author Information

Author(s): Dijkshoorn Henriƫtte, Ujcic-Voortman Joanne K, Viet Lucie, Verhoeff Arnoud P, Uitenbroek Daan G

Primary Institution: Public Health Service of Amsterdam

Hypothesis

Do ethnic differences affect the validity of self-reported weight and height measurements in estimating obesity prevalence?

Conclusion

Self-reported BMI is more likely to be underestimated in Turkish and Moroccan women compared to Dutch women, highlighting the need for accurate measurements in public health research.

Supporting Evidence

  • Turkish and Moroccan women had a higher true obesity prevalence than Dutch women.
  • Self-reported data led to an underestimation of obesity prevalence across all ethnic groups.
  • The study included a large sample size of 1,199 participants.

Takeaway

This study found that Turkish and Moroccan women often report their weight and height inaccurately, leading to a lower estimate of obesity than what is actually measured.

Methodology

Data on self-reported and measured height and weight were collected from a population-based survey among 1,199 participants aged 18 to 69 years in Amsterdam.

Potential Biases

Self-reports may be influenced by participants' awareness of upcoming measurements, potentially leading to inaccuracies.

Limitations

The study had a relatively low response rate and potential bias due to participants being informed about the measurements beforehand.

Participant Demographics

Participants included Dutch, Turkish, and Moroccan adults aged 18 to 69 years, with varying levels of education and income.

Statistical Information

P-Value

p<0.001

Confidence Interval

95%-CI: 0.98-1.05

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2458-11-408

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