ARDC Research Link Australia

ORCID Profile
Orcid icon. 0000-0003-2432-6972

Current Organisations
Asian Development Bank , Bangladesh Institute of Development Studies

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Publications

Publication

Religion, minority status, and trust: Evidence from a field experiment

Publisher: Elsevier BV

Date: 02-2018

DOI: 10.1016/J.JEBO.2017.11.028

Publication

Explaining low rates of sustained use of siphon water filter: evidence from follow‐up of a randomised controlled trial in Bangladesh

Publisher: Wiley

Date: 09-01-2015

DOI: 10.1111/TMI.12448

Abstract: To assess sustained siphon filter usage among a low-income population in Bangladesh and study relevant motivators and barriers. After a randomised control trial in Bangladesh during 2009, 191 households received a siphon water filter along with educational messages. Researchers revisited households after 3 and 6 months to assess filter usage and determine relevant motivators and barriers. Regular users were defined as those who reported using the filter most of the time and were observed to be using the filter at follow-up visits. Integrated behavioural model for water, sanitation and hygiene (IBM-WASH) was used to explain factors associated with regular filter use. Regular filter usage was 28% at the 3-month follow-up and 21% at the 6-month follow-up. Regular filter users had better quality water at the 6-month, but not at the 3-month visit. Positive predictors of regular filter usage explained through IBM-WASH at both times were willingness to pay >US$1 for filters, and positive attitude towards filter use (technology dimension at in idual level) reporting boiling drinking water at baseline (psychosocial dimension at habitual level) and Bengali ethnicity (contextual dimension at in idual level). Frequently reported barriers to regular filter use were as follows: considering filter use an additional task, filter breakage and time required for water filtering (technology dimension at in idual level). The technological, psychosocial and contextual dimensions of IBM-WASH contributed to understanding the factors related to sustained use of siphon filter. Given the low regular usage rate and the hardware-related problems reported, the contribution of siphon filters to improving water quality in low-income urban communities in Bangladesh is likely to be minimal.