Effect of short-term educational intervention on complementary feeding index among infants in rural Bangladesh: a randomized control trial

Aminur Rahman, Mohammad Badrul Bhuiyan, Sumon Kumar Das, Aminur Rahman, Mohammad Badrul Bhuiyan, Sumon Kumar Das

Abstract

Background: Timely, adequate and appropriate Complementary Feeding (CF) is essential for the growth and cognitive development of infants, but until today, evidence-based information is scarce in terms of impact evaluation of CF index (CFI). The study aimed to examine the effect of the short-term intervention of promoting CF practices on the nutritional status of infants in rural Bangladesh.

Methods: An educational-intervention study followed a randomized controlled trial (RCT) design (NCT03024710). Mothers and family members in the intervention arm received intensive counselling on CF through community health workers (CHWs), whereas existing healthcare services were received in the comparison arm. The study was carried out in the rural Matlab sub-district of Bangladesh between April 2011 and March 2013. In the specified study areas among 360 mother-infant pairs systematically assigned into intervention group and comparison group. Short-term educational intervention on CF was provided for the intervention group and existing services were un-intervened for the comparison group. The outcome of interventions was evaluated after the implementation period using Generalized equation estimation model.

Results: At baseline, the study participants were not different except mean height (p = 0.04), weight-for-age Z score (WAZ) (p = 0.03) and religion (p = 0.04) in between two groups. The mean CFI was significantly higher at intervention area than the comparison and higher category of CFI (score 10 or more) was significantly higher at intervention area than comparison. After adjustment, one-unit CFI increased height-for-age z score by 0.07 units and decreased WAZ by 0.13 units in the intervention group but not significantly changed observed at comparison group.

Conclusion: Guided short-term nutritional intervention and developed CFI indicated a significantly better score in intervention area than comparison groups and would be a well adaptable tool for future studies.

Trial registration: The trial was registered ( NCT03024710 ) at clinical trial registration website. Date of registration: 1/19/2017. Name of the registry: Clinical Trial.gov. Date of registration: 19/1/2017 (retrospective registered). URL of trial: https://ichgcp.net/clinical-trials-registry/NCT03024710.

Keywords: Bangladesh; CF; Infant feeding; Infants; Malnutrition; Rural; Stunting; Underweight.

Conflict of interest statement

The author reports no conflicts of interest in this work.

© 2022. The Author(s).

Figures

Fig. 1
Fig. 1
Trial profile
Fig. 2
Fig. 2
Proportion of nutritional indices both in intervention and control areas by different visit periods
Fig. 3
Fig. 3
Proportion of Complimentary Feeding Index by categories by areas

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Source: PubMed

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