DEPARTMENT FOR BUSINESS, ENERGY & INDUSTRIAL STRATEGY

An inter-disciplinary approach to understanding the contribution of household flooring to disease burden in rural Kenya

Project disclaimer

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Description

Access to adequate, safe and affordable housing plays a fundamental role in human health. This includes thorough limits our exposure to infectious diseases such as those that cause diarrhoea, which remains a leading cause of death in children under five. Conventional approaches to reducing environmental exposure to faecal pathogens include ensuring universal access to safe water and basic sanitation. Recent evidence has suggested that this alone may be insufficient to reduce the high levels of environmental contamination seen in poor rural communities, and that transformative cross-sectoral approaches will be required to see real impacts in child health. For example, these approaches fail to address the fact that most poor rural homes have rudimentary (earth, sand or dirt) floors that are difficult to sanitise, providing an ideal environment for the survival of faecal pathogens and other parasites. These floors can also host parasitic infections including intestinal nematodes and sand fleas, both of which are responsible for considerable morbidity and poor quality of life. We propose to examine flooring and its impact on enteric and parasitic diseases in three culturally and environmentally diverse settings in Kenya, and aim to address two related questions: 1. What is the importance of household flooring as a driver of enteric and parasitic infection risk in rural communities, and does this vary across wider social and environmental contexts? 2. Can infection risk be mitigated by replacing existing rudimentary (earth, sand or dirt) floors with improved (sealed, washable and durable) materials, and what additional behaviour changes are required to ensure impact? We expect that successful installation and ongoing maintenance of improved flooring will reduce the transmission of enteric and parasitic infections, by preventing direct exposure and through an intermediate effect of improved domestic hygiene. This will however be influenced by local context. A priority in each setting will therefore be to explore the interplay between domestic flooring, water and sanitation infrastructure, domestic hygiene behaviours, and the wider socio-cultural and environmental context. Our planned approach involves comprehensive formative research, intervention development conducted in collaborative partnership with recipient communities and key stakeholders, and then implementation trials to test the effects, feasibility and acceptability of the resulting intervention. We will assess the impact of the intervention on a range of child health outcomes, including prevalence of enteric and intestinal worm infections, prevalence of tungiasis, and incidence of gastrointestinal illness. We will also monitor levels of environmental contamination, and explore the impact of the intervention on domestic routines and self-reported wellness. During implementation, we will work with recipients and stakeholders at community, regional and national level to assess the extent to which interventions are acceptable to target communities, feasible given existing resource constraints, and can be scaled-up across Kenya and elsewhere. This includes work undertaken to understand options for scale-up should the intervention prove successful. This study is the first of its kind to comprehensively assess feasibility and effects of combining improved flooring technologies with tailored behaviour change programming on a wide range of parasitic and enteric outcomes. In doing so, we aim to provide important policy and technical guidance on the impact and effectiveness of new transformative approaches to community health. This is an important first step towards the establishment of transformative, community-driven and cross-sectoral approaches to building out water, sanitation and hygiene-related diseases.

Objectives

The Global Challenges Research Fund (GCRF) supports cutting-edge research to address challenges faced by developing countries. The fund addresses the UN sustainable development goals. It aims to maximise the impact of research and innovation to improve lives and opportunity in the developing world.

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Location

The country, countries or regions that benefit from this Programme.

Kenya

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