Prevalence of iron deficiency was stable and anemia increased during 12 years (2006-2018) in Mexican women 20-49 years of age

2021 
espanolObjetivo. Comparar la proporcion de mujeres de 20 a 49 anos con anemia por deficiencia de hierro (ADH), con defi-ciencia de hierro (DH) con deficiencia de hierro sin anemia (DHSA) y anemia no DH (ANDH) durante 2006, 2012 y 2018, y sus asociaciones con caracteristicas sociodemograficas y estado nutricional. Material y metodos. Las Encuestas Nacionales de Salud y Nutricion de 2006, 2012 y 2018-19 usan metodos comparables para medir anemia (hemoglobina capilar) y deficiencia de hierro (DH, ferritina serica). Ambas mediciones combinadas se compararon por ano de encuesta y variables de control mediante regresion multinomial. Resultados. En 2006 la prevalencia global de anemia fue de 14.9% y DH de 29.0%, la de ADH de 8.35%, la de DHSA 20.5%, y ANDH 6.6%; en 2012 la prevalencia global de anemia fue de 13.3%, la de DH 29.6%, de ADH 8.6%, DHSA 21.0% y ANDH 4.7%; en 2018 prevalencia global de anemia fue de 21.4%, de DH 25.7%, ADH 10.5%, 15.2% y ANDH 10.9%. Conclusiones. La presencia global de anemia aumento 6.5 pp entre 2006 y 2018; la de DHSA disminuyo; ADH no tuvo cambios significativos y el aumento mayor fue de ANDH. EnglishObjective. To compare the prevalence of women 20-49 years of age with iron deficiency anemia (IDA), iron deficiency with no anemia (IDNA), and non-ID anemia (NIDA) in com-parison during 2006, 2012 and 2018, and their association with sociodemographic characteristics and nutritional status. Materials andmethods. Ensanut 2006, 2012 and 2018-19 are comparable for measurements of anemia (hemoglobin) and Iron deficiency (ID, by ferritin). Both measurements combined were compared with year of surveys and other dependent variables using a multinomial regression. Results.In 2006, the total prevalence of anemia was 14.9% and ID 29.0%, the prevalence of IDA was 8.35%, of IDNA 20.5%, and NIDA 6.6%; in 2012, the total prevalence of anemia was 13.3%, ID was 9.6%, IDA 8.6%, IDNA 21.0% y NIDA 4.7%; in 2018 total prevalence of anemia was 21.4%, of ID 25.7%, IDA 10.5%, IDNA 15.2% and NIDA 10.9%. Conclusions. total prevalence of anemia increased 6.5 pp between 2006 and 2018, IDNA reduced, IDA had no significant changes, the mayor increase (4.3 pp) occurred in NIDA.
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