National and Sub-National Estimates of Household Coverage of Iodized Salt and Urinary Iodine Status among Women of Reproductive Age in India: Insights from the India Iodine Survey, 2018–19

Jha, Ranjan; Das, Susmita; Dey, Suvabrata; Dutta, Sucharita; Khan, Noor Ahmad; Lakshminarayanan, Suresh; Pillai, Aarati; Raut, Manoj Kumar; Reddy, J. C.; Varghese, Mini

doi:10.1016/j.tjnut.2023.06.037

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“…Folic acid–fortified iodized salt can be an effective strategy to accelerate global SBA prevention . According to the 2018-2019 India Iodine Survey, 76% of Indian households have access to edible salt with adequate iodine (≥15 ppm) . Use of iodized salt in India offers a promising opportunity for wide-scale SBA prevention.…”

Section: Introductionmentioning

confidence: 99%

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Folic Acid–Fortified Iodized Salt and Serum Folate Levels in Reproductive-Aged Women of Rural India

Pattisapu,

Manda,

Kottakki

et al. 2024

JAMA Netw Open

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ImportanceIndia has a disproportionately high prevalence of neural tube defects, including spina bifida and anencephaly (SBA), causing a high number of stillbirths, elective pregnancy terminations, and child mortality; India contributes a large proportion of the global burden of SBA. Thirty years after folic acid was shown to be effective in reducing SBA prevalence, only about one-quarter of such births are prevented globally through cereal grain fortification.ObjectiveTo determine the association of folic acid–fortified iodized salt with serum folate concentrations among nonpregnant and nonlactating women of reproductive age.Design, Setting, and ParticipantsThis nonrandomized controlled trial using a preintervention and postintervention design was conducted in 4 rural villages in Southern India from July 1 to November 30, 2022. All households in the villages agreed to participate in the study. Preintervention and postintervention serum folate levels were analyzed among study participants at baseline and after 4 months, respectively.InterventionConsumption of approximately 300 µg/d of folic acid using double fortified salt (folic acid plus iodine). Median serum folate concentrations were assessed at baseline and 4 months.Main Outcomes and MeasuresChange in median serum folate levels between baseline and study end point as the primary outcome of the study.ResultsA total of 83 nonpregnant nonlactating women aged 20 to 44 years (mean [SD] age, 30.9 [5.1] years) were eligible for the study and provided serum samples for analysis at baseline and the end point of the intervention. The median serum folate concentration increased from 14.6 (IQR, 11.2-20.6) nmol/L at baseline to 54.4 (IQR, 43.5-54.4) nmol/L at end of study, a 3.7-fold increase from baseline to study end point. Two-tailed Wilcoxon signed rank test showed the median difference in preintervention and postintervention serum folate concentrations to be highly significant (P &lt; .001). The participants found the salt acceptable in color and taste.Conclusions and RelevanceUse of folic acid–fortified iodized salt was associated with increased serum folate concentrations in women of reproductive age. This novel evidence can inform public health policy to accelerate SBA prevention.Trial RegistrationClinicalTrials.gov Identifier: NCT06174883

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Section: Introductionmentioning

confidence: 99%

“… 16 According to the 2018-2019 India Iodine Survey, 76% of Indian households have access to edible salt with adequate iodine (≥15 ppm). 17 Use of iodized salt in India offers a promising opportunity for wide-scale SBA prevention.…”

Section: Introductionmentioning

confidence: 99%