Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change
Millions of villagers in Bangladesh are exposed to arsenic by drinking contaminated water from private wells. Testing for arsenic can encourage switching from unsafe wells to safer sources. This study describes results from a cluster randomized controlled trial conducted in 112 villages in Bangladesh to evaluate the effectiveness of different test selling schemes at inducing switching from unsafe wells. At a price of about USD0.60, only one in four households purchased a test. Sales were not increased by informal inter-household agreements to share water from wells found to be safe, or by visual reminders of well status in the form of metal placards mounted on the well pump. However, switching away from unsafe wells almost doubled in response to agreements or placards relative to the one in three proportion of households who switched away from an unsafe well with simple individual sales.
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Format: | Working Paper biblioteca |
Language: | English |
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World Bank, Washington, DC
2020-03
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Subjects: | ARSENIC, DRINKING WATER, WATER CONTAMINATION, ENVIRONMENTAL HEALTH, |
Online Access: | http://documents.worldbank.org/curated/en/467691585057822017/Demand-for-Information-on-Environmental-Health-Risk-Mode-of-Delivery-and-Behavioral-Change-Evidence-from-Sonargaon-Bangladesh https://hdl.handle.net/10986/33486 |
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dig-okr-10986334862024-08-09T06:28:15Z Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change Evidence from Sonargaon, Bangladesh Tarozzi, Alessandro Maertens, Ricardo Ahmed, Kazi Matin van Geen, Alexander ARSENIC DRINKING WATER WATER CONTAMINATION ENVIRONMENTAL HEALTH Millions of villagers in Bangladesh are exposed to arsenic by drinking contaminated water from private wells. Testing for arsenic can encourage switching from unsafe wells to safer sources. This study describes results from a cluster randomized controlled trial conducted in 112 villages in Bangladesh to evaluate the effectiveness of different test selling schemes at inducing switching from unsafe wells. At a price of about USD0.60, only one in four households purchased a test. Sales were not increased by informal inter-household agreements to share water from wells found to be safe, or by visual reminders of well status in the form of metal placards mounted on the well pump. However, switching away from unsafe wells almost doubled in response to agreements or placards relative to the one in three proportion of households who switched away from an unsafe well with simple individual sales. 2020-03-26T14:36:16Z 2020-03-26T14:36:16Z 2020-03 Working Paper Document de travail Documento de trabajo http://documents.worldbank.org/curated/en/467691585057822017/Demand-for-Information-on-Environmental-Health-Risk-Mode-of-Delivery-and-Behavioral-Change-Evidence-from-Sonargaon-Bangladesh https://hdl.handle.net/10986/33486 English Policy Research Working Paper;No. 9194 CC BY 3.0 IGO http://creativecommons.org/licenses/by/3.0/igo World Bank application/pdf text/plain World Bank, Washington, DC |
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topic |
ARSENIC DRINKING WATER WATER CONTAMINATION ENVIRONMENTAL HEALTH ARSENIC DRINKING WATER WATER CONTAMINATION ENVIRONMENTAL HEALTH |
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ARSENIC DRINKING WATER WATER CONTAMINATION ENVIRONMENTAL HEALTH ARSENIC DRINKING WATER WATER CONTAMINATION ENVIRONMENTAL HEALTH Tarozzi, Alessandro Maertens, Ricardo Ahmed, Kazi Matin van Geen, Alexander Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change |
description |
Millions of villagers in Bangladesh are
exposed to arsenic by drinking contaminated water from
private wells. Testing for arsenic can encourage switching
from unsafe wells to safer sources. This study describes
results from a cluster randomized controlled trial conducted
in 112 villages in Bangladesh to evaluate the effectiveness
of different test selling schemes at inducing switching from
unsafe wells. At a price of about USD0.60, only one in four
households purchased a test. Sales were not increased by
informal inter-household agreements to share water from
wells found to be safe, or by visual reminders of well
status in the form of metal placards mounted on the well
pump. However, switching away from unsafe wells almost
doubled in response to agreements or placards relative to
the one in three proportion of households who switched away
from an unsafe well with simple individual sales. |
format |
Working Paper |
topic_facet |
ARSENIC DRINKING WATER WATER CONTAMINATION ENVIRONMENTAL HEALTH |
author |
Tarozzi, Alessandro Maertens, Ricardo Ahmed, Kazi Matin van Geen, Alexander |
author_facet |
Tarozzi, Alessandro Maertens, Ricardo Ahmed, Kazi Matin van Geen, Alexander |
author_sort |
Tarozzi, Alessandro |
title |
Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change |
title_short |
Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change |
title_full |
Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change |
title_fullStr |
Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change |
title_full_unstemmed |
Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change |
title_sort |
demand for information on environmental health risk, mode of delivery, and behavioral change |
publisher |
World Bank, Washington, DC |
publishDate |
2020-03 |
url |
http://documents.worldbank.org/curated/en/467691585057822017/Demand-for-Information-on-Environmental-Health-Risk-Mode-of-Delivery-and-Behavioral-Change-Evidence-from-Sonargaon-Bangladesh https://hdl.handle.net/10986/33486 |
work_keys_str_mv |
AT tarozzialessandro demandforinformationonenvironmentalhealthriskmodeofdeliveryandbehavioralchange AT maertensricardo demandforinformationonenvironmentalhealthriskmodeofdeliveryandbehavioralchange AT ahmedkazimatin demandforinformationonenvironmentalhealthriskmodeofdeliveryandbehavioralchange AT vangeenalexander demandforinformationonenvironmentalhealthriskmodeofdeliveryandbehavioralchange AT tarozzialessandro evidencefromsonargaonbangladesh AT maertensricardo evidencefromsonargaonbangladesh AT ahmedkazimatin evidencefromsonargaonbangladesh AT vangeenalexander evidencefromsonargaonbangladesh |
_version_ |
1807159929627213824 |