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Factors associated with inadequate urinary iodine concentration among pregnant women in Mbeya region Tanzania.

Article scientifique 2022 Anglais

Résumé

Background: Insufficient and excessive iodine intake during pregnancy can lead to serious health problems. In Tanzania, information available on iodine status during pregnancy is minimal. The aim of this study was to assess the iodine status and its association with socio-demographic factors in pregnant women in the Mbeya region, Tanzania. Method: A cross sectional survey involving 420 pregnant women (n=420) registered in Reproductive and Child Health Clinics was conducted. Data were collected via interviews and laboratory analysis of urinary iodine concentration (UIC). Results: Median UIC was 279.4μg/L (+/-26.1) to 1915μg/L. Insufficient iodine intake (UIC below 150μg/L) was observed in 17.14% of participants, sufficient intake in 24.29% and 58.57% had intakes above the recommended level (>250μg/L). Pregnant women who consume fish had an increased risk of insufficient iodine [Adjusted OR7= 2.60 (95%CI 1.31-5.15)] while the risk was lower for those who attended primary education compared to non-formal education [Adjusted OR= 0.29 (95%CI 0.08-0.99)]. Pregnant women resident in Mbarali district aged between 35-49 years were associated with an increased risk of UIC above recommended level [Adjusted OR=4.09 (95%CI 1.85-9.010] and [Adjusted OR=2.51 (95%CI 0.99-6.330] respectively . Conclusion: This study demonstrated a significant relationship between geographical factors (residence in the Mbarali district) and excess median urine iodine concentration, in addition, this study also found an association between consumption of freshwater fish and insufficient mean urine iodine concentration as indicated by the World Health Organization recommendation. Therefore, educational programs on iodine intake are needed as attending primary education was found to be a protective factor for insufficient median urine iodine concentration.

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Lukindo, T., Masumo, R., Hancy, A., John, S., Paulo, H., Sanga, A., Noor, R., Lankoande, F., Towo, E., Leyna, G., Bridge, G., Bedi, R. (2022). Factors associated with inadequate urinary iodine concentration among pregnant women in Mbeya region Tanzania.. https://doi.org/10.12688/f1000research.55269.2

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Auteur(s)

Tedson Lukindo Ray Masumo Adam Hancy Sauli E. John Heavenlight A. Paulo Abraham Sanga Ramadhan Noor Fatoumata Lankoande Elifatio Towo Germana Leyna Gemma Bridge Raman Bedi

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