The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006 La prevalencia de anemia disminuyó en niños prescolares y escolares mexicanos entre 1999 y 2006
OBJECTIVE: To compare the distribution of anemia in children, based on information from Mexican National Health and Nutrition Survey 2006 (ENSANUT 2006) and Mexican National Nutrition Survey 1999 (ENN-99), and examine the association of anemia with potentially explanatory variables. MATERIAL AND MET...
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Instituto Nacional de Salud Pública
2009-01-01
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Series: | Salud Pública de México |
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Online Access: | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0036-36342009001000005 |
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author | Salvador Villalpando Teresa Shamah-Levy Armando García-Guerra Verónica Mundo-Rosas Clara Domínguez Fabiola Mejía-Rodríguez |
author_facet | Salvador Villalpando Teresa Shamah-Levy Armando García-Guerra Verónica Mundo-Rosas Clara Domínguez Fabiola Mejía-Rodríguez |
author_sort | Salvador Villalpando |
collection | DOAJ |
description | OBJECTIVE: To compare the distribution of anemia in children, based on information from Mexican National Health and Nutrition Survey 2006 (ENSANUT 2006) and Mexican National Nutrition Survey 1999 (ENN-99), and examine the association of anemia with potentially explanatory variables. MATERIAL AND METHODS: Adjusted prevalence and means as well as associations with potentially explanatory variables were assessed by multiple linear and logistic regression models for complex samples. RESULTS: From 1999 to 2006, the prevalence of anemia decreased 13.8 percentage points (pp) in toddlers and 7.8 pp in children 24-35 months of age; it also decreased 0.7 pp/year in urban and rural populations, 1.8 pp/year in indigenous and 0.61 pp/year in non-indigenous toddlers, 1.5 pp/year in children 5-8 years of age and 0.78 pp/year in children 9-11 years of age. In toddlers served by Oportunidades, Hb was inversely associated with indigenous ethnicity (p=0.1) and they had a lower risk of anemia (OR=0.002). In school-age children, age (OR=0.98), affiliation to Liconsa (OR=0.42) and living in the central region (OR=0.56) were protective factors for anemia. CONCLUSIONS: The national prevalence of anemia in Mexico has decreased in the past seven years, especially in toddlers. Being a beneficiary of Liconsa or Oportunidades was protective for anemia.<br>OBJETIVO: Comparar la distribución de la anemia en niños con base en la información de la Encuesta Nacional de Nutrición 2006 (ENSANUT 2006) y la Encuesta Nacional de Nutrición 1999 (ENN99). Asimismo, examinar la asociación de la anemia con variables potencialmente explicativas. MATERIAL Y MÉTODOS: Se calcularon las prevalencias y las medias ajustadas, así como las asociaciones mediante modelos de regresión múltiple lineal y logística para muestras complejas. RESULTADOS: Entre 1999 y 2006 la anemia disminuyó 13.8 puntos porcentuales (pp) en lactantes de 12-23 meses de edad y 7.8 pp en los de 24-35; 0.7 pp/año en prescolares urbanos y rurales, 1.8 pp/año en indígenas y 0.61 pp/año en no indígenas; 1.5 pp/año en niños de 5-8 años y 0.78 pp/año en los de 9-11 años. En preescolares beneficiarios de Oportunidades la Hb se asoció negativamente con indigenismo (p=0.1) y tuvieron un riesgo menor para anemia (OR=0.002). En niños escolares la edad (OR=0.98), ser beneficiario de Liconsa (OR=0.42) y vivir en la región centro (OR=0.56) resultaron ser factores protectores contra la anemia. CONCLUSIONES: La prevalencia de anemia disminuyó en México durante los pasados siete años, especialmente en lactantes. Ser beneficiario de Oportunidades y de Liconsa fue protector para el riesgo de anemia. |
first_indexed | 2024-12-19T05:47:59Z |
format | Article |
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institution | Directory Open Access Journal |
issn | 0036-3634 |
language | English |
last_indexed | 2024-12-19T05:47:59Z |
publishDate | 2009-01-01 |
publisher | Instituto Nacional de Salud Pública |
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series | Salud Pública de México |
spelling | doaj.art-81f43765e89e4a3991813bb250af9c202022-12-21T20:33:45ZengInstituto Nacional de Salud PúblicaSalud Pública de México0036-36342009-01-0151S507S514The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006 La prevalencia de anemia disminuyó en niños prescolares y escolares mexicanos entre 1999 y 2006Salvador VillalpandoTeresa Shamah-LevyArmando García-GuerraVerónica Mundo-RosasClara DomínguezFabiola Mejía-RodríguezOBJECTIVE: To compare the distribution of anemia in children, based on information from Mexican National Health and Nutrition Survey 2006 (ENSANUT 2006) and Mexican National Nutrition Survey 1999 (ENN-99), and examine the association of anemia with potentially explanatory variables. MATERIAL AND METHODS: Adjusted prevalence and means as well as associations with potentially explanatory variables were assessed by multiple linear and logistic regression models for complex samples. RESULTS: From 1999 to 2006, the prevalence of anemia decreased 13.8 percentage points (pp) in toddlers and 7.8 pp in children 24-35 months of age; it also decreased 0.7 pp/year in urban and rural populations, 1.8 pp/year in indigenous and 0.61 pp/year in non-indigenous toddlers, 1.5 pp/year in children 5-8 years of age and 0.78 pp/year in children 9-11 years of age. In toddlers served by Oportunidades, Hb was inversely associated with indigenous ethnicity (p=0.1) and they had a lower risk of anemia (OR=0.002). In school-age children, age (OR=0.98), affiliation to Liconsa (OR=0.42) and living in the central region (OR=0.56) were protective factors for anemia. CONCLUSIONS: The national prevalence of anemia in Mexico has decreased in the past seven years, especially in toddlers. Being a beneficiary of Liconsa or Oportunidades was protective for anemia.<br>OBJETIVO: Comparar la distribución de la anemia en niños con base en la información de la Encuesta Nacional de Nutrición 2006 (ENSANUT 2006) y la Encuesta Nacional de Nutrición 1999 (ENN99). Asimismo, examinar la asociación de la anemia con variables potencialmente explicativas. MATERIAL Y MÉTODOS: Se calcularon las prevalencias y las medias ajustadas, así como las asociaciones mediante modelos de regresión múltiple lineal y logística para muestras complejas. RESULTADOS: Entre 1999 y 2006 la anemia disminuyó 13.8 puntos porcentuales (pp) en lactantes de 12-23 meses de edad y 7.8 pp en los de 24-35; 0.7 pp/año en prescolares urbanos y rurales, 1.8 pp/año en indígenas y 0.61 pp/año en no indígenas; 1.5 pp/año en niños de 5-8 años y 0.78 pp/año en los de 9-11 años. En preescolares beneficiarios de Oportunidades la Hb se asoció negativamente con indigenismo (p=0.1) y tuvieron un riesgo menor para anemia (OR=0.002). En niños escolares la edad (OR=0.98), ser beneficiario de Liconsa (OR=0.42) y vivir en la región centro (OR=0.56) resultaron ser factores protectores contra la anemia. CONCLUSIONES: La prevalencia de anemia disminuyó en México durante los pasados siete años, especialmente en lactantes. Ser beneficiario de Oportunidades y de Liconsa fue protector para el riesgo de anemia.http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0036-36342009001000005anemianiños preescolarniñosalimentos fortificadosMéxicoanemiapreschool childrenfood fortifiedMexico |
spellingShingle | Salvador Villalpando Teresa Shamah-Levy Armando García-Guerra Verónica Mundo-Rosas Clara Domínguez Fabiola Mejía-Rodríguez The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006 La prevalencia de anemia disminuyó en niños prescolares y escolares mexicanos entre 1999 y 2006 Salud Pública de México anemia niños preescolar niños alimentos fortificados México anemia preschool children food fortified Mexico |
title | The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006 La prevalencia de anemia disminuyó en niños prescolares y escolares mexicanos entre 1999 y 2006 |
title_full | The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006 La prevalencia de anemia disminuyó en niños prescolares y escolares mexicanos entre 1999 y 2006 |
title_fullStr | The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006 La prevalencia de anemia disminuyó en niños prescolares y escolares mexicanos entre 1999 y 2006 |
title_full_unstemmed | The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006 La prevalencia de anemia disminuyó en niños prescolares y escolares mexicanos entre 1999 y 2006 |
title_short | The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006 La prevalencia de anemia disminuyó en niños prescolares y escolares mexicanos entre 1999 y 2006 |
title_sort | prevalence of anemia decreased in mexican preschool and school age children from 1999 to 2006 la prevalencia de anemia disminuyo en ninos prescolares y escolares mexicanos entre 1999 y 2006 |
topic | anemia niños preescolar niños alimentos fortificados México anemia preschool children food fortified Mexico |
url | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0036-36342009001000005 |
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