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Wiley - PMC COVID-19 Collection logoLink to Wiley - PMC COVID-19 Collection
. 2022 Jul 13:10.1111/tmi.13799. Online ahead of print. doi: 10.1111/tmi.13799

Effects of a community‐driven water, sanitation, and hygiene program on Covid‐19 symptoms, vaccine acceptance, and non‐Covid illnesses: a cluster‐randomized controlled trial in rural Democratic Republic of Congo

Kevin Croke 1, Aidan Coville 2, Eric Mvukiyehe 3, Caleb Jeremie Dohou 2, Jean‐Paul Zibika 2, Luca Stanus Ghib 2, Michele Andreottola 2, Yannick Lokaya Bokasola 2, John Paul Quattrochi 4,
PMCID: PMC9349788  PMID: 35832019

Abstract

Objective

The government of the Democratic Republic of Congo responded to Covid‐19 with policy measures such as business and school closures and distribution of vaccines, which rely on citizen compliance. In other settings, prior experience with effective government programs has increased compliance with public health measures. We study the effect of a national water, sanitation, and hygiene program on compliance with COVID‐19 policies.

Methods

Prior to the COVID‐19 pandemic, 332 communities were randomly assigned to the Villages et Ecoles Assainis program or control. After COVID‐19 reached DRC, individuals who owned phones (590/1312; 45%) were surveyed by phone three times between May 2020‐August 2021. Primary outcomes were COVID symptoms, non‐COVID illness symptoms, child health, psychological well‐being, and vaccine acceptance. Secondary outcomes included COVID‐19 preventive behavior and knowledge, and perceptions of governmental performance, including COVID response. All outcomes were self‐reported. Outcomes were compared between treatment and control villages using linear models.

Results

The VEA program did not affect respondents’ COVID symptoms (‐0.11, 95% CI ‐0.55, 0.33), non‐COVID illnesses (‐0.01, 95% CI ‐0.05, 0.03), child health (0.07, 95% CI ‐0.19, 0.33), psychological well‐being (‐0.05, 95% CI ‐0.35, 0.24), or vaccine acceptance (‐0.04, 95% CI ‐0.19, 0.10). There was no effect on village‐level COVID‐19 preventive behavior (0.02, 95% CI ‐0.17, 0.22), COVID‐19 knowledge (0.16, 95% CI ‐0.08, 0.39), or trust in institutions.

Conclusions

Although the VEA program increased access to improved water and sanitation, it did not increase trust in government. Accordingly, there was no evidence of increased compliance with COVID policies, and no reduction in illness.

Keywords: WASH, Covid‐19, Democratic Republic of Congo, randomized controlled trial


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