BackgroundUptake of deworming drugs is one of the important antenatal strategies in preventing anaemia in pregnancy. Little is known about the factors associated with uptake of the de-worming drugs. This study aimed at identifying the factors associated with the uptake of de-worming drugs during pregnancy among women of reproductive age.Method: The study used data from the 2015-16 Tanzania HIV Demographic and Health Survey and Malaria Indicators Survey (2015-16 TDHS-MIS). A total of 6924 women

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... f active reproductive age from 15 to 49 were included in the analysis. Both univariate and multiple regression analyses were used to determine the factors associated with uptake of deworming drugs among women of reproductive age in Tanzania.Results: Majority of interviewed women 3864(60.1%) took deworming drug while a total of 2560(39.9%) did not take deworming drugs. After controlling for confounders, factors associated with uptake of deworming drugs were early antenatal booking, (AOR=1.404 at 95% CI=1.24-1.59,p<0.001); age group of a woman [20 to 34years (AOR=1.382 at 95% CI=1.125-1.696, p=0.002), more than 34years (AOR=1.287 at 95% CI=1.004-1.65, p=0.046)] age less than 20 years was a reference population; rural residence (AOR=1.53 at 95% CI=1.099-2.128,p=0.012); wealth index [middle (AOR=1.151 at 95% CI=1.003-1.32,p=0.044), rich (AOR=1.378 at 95% CI=1.185-1.602, p<0.001) poor was a reference population; level of education [higher level (AOR=2.455 at 95% CI=1.189-5.067,p=0.015)] no formal education was a reference population; parity [para 5 and above (AOR=0.993 at 95% CI=0.824-1.197,p<0.001)] para one was the reference population; zones [Mainland rural (AOR=0.439 at 95% CI=0.307-0.628,p<0.001), Zanzibar Island (AOR=0.22 at 95% CI=0.158-0.306, p<0.001) and Pemba Island AOR=0.493 at 95% CI=0.337-0.723, p<0.001.ConclusionFactors associated with uptake of deworming drugs were early antenatal booking, age group, rural residence, zonal residence, wealth index, level of education, and parity. Considering the outcomes of anaemia in pregnancy, clinicians should consider all the modifiable factors affecting the uptake of the deworming drugs during pregnancy to every woman of reproductive age before and after conception. Whenever possible, it should be done even beyond antenatal clinics.