Evidence map›Paper›PMID 31342886›Full record

Trial reportPublic health nutrition2019

Predicting potential to benefit from an iron intervention: a randomized controlled trial of double-fortified salt in female Indian tea pluckers.

Julie Eh Nevins, Sudha Venkatramanan, Saurabh Mehta, Jere D Haas

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Public health nutrition, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Julie Eh NevinsDivision of Nutritional Sciences, Cornell University, Savage Hall, 244 Garden Avenue, Ithaca, NY, 14853, USA.
Sudha VenkatramananDivision of Nutritional Sciences, Cornell University, Savage Hall, 244 Garden Avenue, Ithaca, NY, 14853, USA.
Saurabh MehtaDivision of Nutritional Sciences, Cornell University, Savage Hall, 244 Garden Avenue, Ithaca, NY, 14853, USA.
Jere D HaasDivision of Nutritional Sciences, Cornell University, Savage Hall, 244 Garden Avenue, Ithaca, NY, 14853, USA.

Funding

TRAINING IN MATERNAL AND CHILD NUTRITIONT32HD087137 · NICHD · CORNELL UNIVERSITY · PI Laura Bellows, Julia L. Finkelstein · 2016 to 2026
$2.0M
NICHD NIH HHS T32 HD087137
6 · The paper itself

Abstract

objectiveThe present study examines characteristics of those who benefited from a dietary Fe intervention comprised of salt double-fortified with iodine and Fe (DFS).

designData from a randomized controlled trial were analysed to identify predictors of improved Fe status and resolution of Fe deficiency (serum ferritin (sFt) < 12 μg/l) and low body Fe (body Fe (BI) < 0·0 mg/kg) using non-parametric estimations and binomial regression models.

settingA tea estate in West Bengal, India.

participantsFemale tea pluckers, aged 18-55 years.

resultsConsuming DFS significantly (P = 0·01) predicted resolution of Fe deficiency (relative risk (RR) = 2·31) and of low BI (RR = 2·78) compared with consuming iodized salt. Baseline sFt (β = -0·32 (se 0·03), P < 0·001) and treatment group (β = 0·13 (se 0·03), P < 0·001) significantly predicted change in sFt. The interaction of baseline BI with treatment group (β = -0·11 (se 0·06), P = 0·08) predicted the change in BI. DFS did not significantly predict change in Hb and marginally predicted resolution of anaemia (Hb < 120 g/l).

conclusionsBaseline Fe status, as assessed by sFt and BI, and consumption of DFS predict change in Fe status and resolution of Fe deficiency and low BI. Anaemia prevalence and Hb level, although simple and inexpensive to measure, may not be adequate to predict resolution of Fe deficiency in response to an intervention of DFS in similar populations with high prevalence of Fe deficiency and multiple nutritional causes of anaemia. These findings will guide appropriate targeting of future interventions.

Indexed as

Anemia, Iron-DeficiencyFarmersIodineIronSodium Chloride, DietaryAdultFemaleFerritinsFood, FortifiedHemoglobinsHumansIndiaIron DeficienciesMiddle AgedTeaTreatment OutcomeFerritinsHemoglobinsIodineiodized saltIronSodium Chloride, DietaryTeaAnaemiaDietary interventionsFortified foodsIron deficiencyTargeting interventions

Identifiers

PMID31342886
PMCPMC6891141

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.