Engagement of Husbands in a Maternal Nutrition Program Substantially Contributed to Greater Intake of Micronutrient Supplements and Dietary Diversity during Pregnancy: Results of a Cluster-Randomized Program Evaluation in Bangladesh

Phuong Hong Nguyen, Edward A Frongillo, Tina Sanghvi, Gargi Wable, Zeba Mahmud, Lan Mai Tran, Bachera Aktar, Kaosar Afsana, Silvia Alayon, Marie T Ruel, Purnima Menon, Phuong Hong Nguyen, Edward A Frongillo, Tina Sanghvi, Gargi Wable, Zeba Mahmud, Lan Mai Tran, Bachera Aktar, Kaosar Afsana, Silvia Alayon, Marie T Ruel, Purnima Menon

Abstract

Background: Although husbands may provide support during pregnancy, limited evidence exists on how to promote husbands' engagement and what impact it has. Alive & Thrive integrated nutrition-focused interventions, targeting both wives and husbands, through an existing Maternal, Neonatal, and Child Health (MNCH) platform in Bangladesh.

Objectives: We evaluated 1) the impact of a nutrition-focused MNCH program, compared with the standard MNCH program, on husbands' behavioral determinants (i.e., awareness, knowledge, self-efficacy) and support to wives to adopt optimal nutrition practices and 2) how much of the previously documented impact on women's supplement intake and dietary diversity was explained by husbands' behavioral determinants and support.

Methods: We used a cluster-randomized design with cross-sectional surveys at baseline (2015) and endline (2016) (n = ∼1000 women and ∼700 husbands/survey). We used mixed linear regression accounting for clustering to estimate difference-in-differences (DIDs) for impact on husbands' behavioral determinants and path analysis to examine how much these determinants explained the impact on women's nutrition behaviors.

Results: Of husbands in the nutrition-focused MNCH group, 62% were counseled by health workers, 66% attended a husbands' forum, and 34% saw video shows. The nutrition-focused MNCH, compared with the standard MNCH group, resulted in greater husbands' awareness (DID: 2.74 of 10 points), knowledge (DID: 1.31), self-efficacy and social norms with regard to optimal nutrition practices (difference: 1.08), and support to their wives (DID: 1.86). Husbands' behavioral determinants and support explained nearly half of the program impact for maternal supplement intake and one-quarter for dietary diversity.

Conclusions: A nutrition-focused MNCH program that promoted and facilitated husbands' engagement during their wives' pregnancies significantly improved husbands' awareness, knowledge, self-efficacy, and support. These improvements substantially explained the program's impact on women's intake of micronutrient supplements and dietary diversity. Targeting wives and husbands and designing activities to engage men in maternal nutrition programs are important to maximize impact. This trial was registered at www.clinicaltrials.gov as NCT02745249.

Figures

FIGURE 1
FIGURE 1
Husbands’ exposure to program interventions at endline showing exposure to counseling from frontline workers’ home visits (A), husbands’ forum (B), and video shows (C). Intervals shown are ±1 SD among subdistricts. Video 1: “Everyone has a responsibility to ensure nutrition and care for pregnant women”; Video 2: “Five rules of pregnant women's nutrition during pregnancy”; Video 3: “Nutritious foods are easily available.” MNCH, Maternal, Neonatal, and Child Health; SK, Shasthya Kormi (salaried health worker); SS, Shasthya Shebika (community health volunteer worker).
FIGURE 2
FIGURE 2
Summary impact of program on husbands’ awareness (A), knowledge (B), self-efficacy (C), and social norms and supports (D). The DID impact estimates from mixed models and 2-tailed P values comparing nutrition-focused MNCH and standard MNCH areas in 2014 and 2015, accounting for geographic clustering, are shown. ***P < 0.001. DID, difference in difference; MNCH, Maternal, Neonatal and Child Health; pp, percentage point.
FIGURE 3
FIGURE 3
Path analysis for IFA consumption during pregnancy. Values are unstandardized regression coefficients from path analyses. The sum of the indirect differences through husbands’ determinants was 47.9% of the total difference. **P < 0.01, ***P < 0.001. FHW, frontline health worker; IFA, iron and folic acid.
FIGURE 4
FIGURE 4
Path analysis for calcium consumption during pregnancy. Values are unstandardized regression coefficients from path analyses. The sum of the indirect differences through husbands’ determinants was 44.6% of the total difference. **P < 0.01, ***P < 0.001. FHW, frontline health worker.
FIGURE 5
FIGURE 5
Path analysis for maternal dietary diversity. Values are unstandardized regression coefficients from path analyses. The sum of the indirect differences through husbands’ determinants was 22.0% of the total difference. *P < 0.05, **P < 0.01, ***P < 0.001. FHW, frontline health worker.

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Source: PubMed

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