Validity of self-reported anthropometry in adult Mexican women

• Autores: Eduardo Ortiz Panozo, Elsa Yunes-Díaz, Martín Lajous Loaeza, Isabelle Romieu, Adriana Monserrath Monge Moreno, Ruy López Ridaura
• Localización: Salud pública de México, ISSN-e 1606-7916, ISSN 0036-3634, Vol. 59, Nº. 3, 2017, págs. 266-275
• Idioma: inglés
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  • Objective. To compare direct and self-reported anthro­pometry in Mexican women. Materials and methods. Women aged 30-72 years, participating in the Mexican Teach­ers’ Cohort, completed a questionnaire with their anthropo­metric data in 2006-2008. After eleven months (median time), technicians performed anthropometry in 3 756 participants. We calculated correlations and multivariable-adjusted mean differences between direct and self-reported anthropomet­ric measures. Results. Correlations between direct and self-reported anthropometric measures ranged from 0.78 (waist circumference) to 0.93 (weight). On average, women over-reported their height by 2.2 cm and underreported their weight, body mass index (BMI) and waist and hip circumfer­ences by 1.3 kg, 1.3 kg/m2, 1.8 cm and 1.9 cm, respectively. Errors in self-reported anthropometry increased with rising measured BMI and were also independently associated with age, education and socioeconomic status. Conclusion. Self-reported anthropometry is sufficiently valid for epide­miological purposes in adult Mexican women. Errors in self-reported anthropometry might result in underestimation of the prevalence of overweight and obesity.