Fabian Rohner1, Christine Northrop-Clewes2, Andres B Tschannen3, Patrice E Bosso4, Valérie Kouassi-Gohou5, Juergen G Erhardt6, Mai Bui7, Michael B Zimmermann8, C G Nicholas Mascie-Taylor9. 1. 1GroundWork LLC,40b Les Landes,1299 Crans-près-Céligny,Switzerland. 2. 2GAIN - Global Alliance for Improved Nutrition,Geneva,Switzerland. 3. 3Centre Suisse des Recherches Scientifiques,Abidjan,Côte d'Ivoire. 4. 4Helen Keller International Côte d'Ivoire,Abidjan,Côte d'Ivoire. 5. 5Direction de l'Information de la Planification et de l'Evaluation,Ministère de la Santé et de l'Hygiène Publique, Abidjan, Côte d'Ivoire. 6. 6SEAMEO-TROPMED,University of Jakarta,Jakarta,Indonesia. 7. 7Swiss Vitamin Institute,Epalinges,Switzerland. 8. 8Institute of Food Science and Nutrition,ETH Zurich,Switzerland. 9. 9Department of Biological Anthropology,University of Cambridge,Cambridge,UK.
Abstract
OBJECTIVE: To provide nationally representative data on the prevalence of anaemia, vitamin A and Fe deficiencies among pre-school age children (pre-SAC) and non-pregnant women of reproductive age (WRA), and on vitamin B₁₂ and folate deficiencies in WRA, and the influence of inflammation on their interpretation. DESIGN: A cross-sectional survey to measure anthropometry, malaria parasitaemia and micronutrient status. Specifically, blood samples were analysed for Hb, plasma ferritin, soluble transferrin receptors, C-reactive protein, α₁-acid glycoprotein, retinol-binding protein, vitamin B₁₂ and folate. SETTING: Côte d'Ivoire in 2007. SUBJECTS: Nine hundred and twenty-eight WRA and 879 pre-SAC. RESULTS: In WRA, prevalence of Plasmodium parasitaemia (5 %) was low, but inflammation (34 %) was higher. Anaemia was a severe public health problem and prevalence differed by residency and eco-region. Inflammation-adjusted Fe deficiency was highest in urban areas (20 %). Nationally, folate deficiency was 86 %, higher in urban areas and varied by eco-region. Prevalence of vitamin B₁₂ deficiency was low but higher in the rural areas and the north. Inflammation-adjusted vitamin A deficiency was very low (1 %). In pre-SAC, prevalence of inflammation (67 %) and Plasmodium parasites (25 %) was high; the latter was associated with poverty, rural residency and higher ferritin concentrations. Anaemia was classified as a severe public health problem (72 %), and was higher in rural areas (76 %) and the north (87 %). A quarter of pre-SAC suffered from vitamin A deficiency (inflammation-adjusted) and prevalence of undernutrition was high. CONCLUSIONS: Prevalence of inflammation, Plasmodium parasitaemia and micronutrient deficiencies were high in Côte d'Ivoire, particularly in pre-SAC. Nutritional interventions should be accompanied by strategies to reduce exposure to infections.
OBJECTIVE: To provide nationally representative data on the prevalence of anaemia, vitamin A and Fe deficiencies among pre-school age children (pre-SAC) and non-pregnant women of reproductive age (WRA), and on vitamin B₁₂ and folate deficiencies in WRA, and the influence of inflammation on their interpretation. DESIGN: A cross-sectional survey to measure anthropometry, malaria parasitaemia and micronutrient status. Specifically, blood samples were analysed for Hb, plasma ferritin, soluble transferrin receptors, C-reactive protein, α₁-acid glycoprotein, retinol-binding protein, vitamin B₁₂ and folate. SETTING: Côte d'Ivoire in 2007. SUBJECTS: Nine hundred and twenty-eight WRA and 879 pre-SAC. RESULTS: In WRA, prevalence of Plasmodium parasitaemia (5 %) was low, but inflammation (34 %) was higher. Anaemia was a severe public health problem and prevalence differed by residency and eco-region. Inflammation-adjusted Fe deficiency was highest in urban areas (20 %). Nationally, folate deficiency was 86 %, higher in urban areas and varied by eco-region. Prevalence of vitamin B₁₂ deficiency was low but higher in the rural areas and the north. Inflammation-adjusted vitamin A deficiency was very low (1 %). In pre-SAC, prevalence of inflammation (67 %) and Plasmodium parasites (25 %) was high; the latter was associated with poverty, rural residency and higher ferritin concentrations. Anaemia was classified as a severe public health problem (72 %), and was higher in rural areas (76 %) and the north (87 %). A quarter of pre-SAC suffered from vitamin A deficiency (inflammation-adjusted) and prevalence of undernutrition was high. CONCLUSIONS: Prevalence of inflammation, Plasmodium parasitaemia and micronutrient deficiencies were high in Côte d'Ivoire, particularly in pre-SAC. Nutritional interventions should be accompanied by strategies to reduce exposure to infections.
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