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A single-blind clustered randomised controlled trial of daily record-keeping for reducing smoking tobacco expenditure among adult male household heads in rural Bangladesh

Published online by Cambridge University Press:  16 March 2020

Adnan M. S. Fakir Open the ORCID record for Adnan M. S. Fakir [Opens in a new window] ,
Afraim Karim ,
Mutasim Billah Mubde ,
Mustahsin Aziz  and
Azraf Uddin Ahmad
Adnan M. S. Fakir*
Affiliation:
University of Western Australia, Business School, 35 Stirling Highway, Crawley, WA6009, Australia Economics and Social Sciences (ESS) Department, BRAC University, 66 Mohakhali, Dhaka1206, Bangladesh
Afraim Karim
Affiliation:
Innovations for Poverty Action, House 35, Road 7, Dhaka1212, Bangladesh
Mutasim Billah Mubde
Affiliation:
Economic Research Group, House 304, Road 19/B, New DOHS, Mohakhali, Dhaka1206, Bangladesh
Mustahsin Aziz
Affiliation:
The World Bank, Plot E 32, Sher-e-Bangla Nagar, Agargaon, Dhaka1207, Bangladesh
Azraf Uddin Ahmad
Affiliation:
Simon Fraser University, 8888 University Dr, Burnaby, BCV5A 1S6, Canada
*
Author for correspondence: Adnan M. S. Fakir, E-mail: adnanfakir@gmail.com
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Abstract

Introduction

This study aims to assess the impact of a behavioural intervention, in the form of a self-monitoring record-keeping logbook, in reducing smoking tobacco expenditure amongst adult male household heads in rural Bangladesh.

Method

The experiment was designed as a single-blind clustered randomised controlled trial utilising two-stage random sampling. A total of 650 adult male household heads were sampled from 16 chars (riverine islands) from Gaibandha, Northern Bangladesh, with eight chars in treatment and control groups each, between November 2018 and January 2019. The intervention consisted of a logbook to record daily smoking tobacco intake for 4 weeks provided only to participants in treatment chars (n = 332) while households in control chars received nothing (n = 318).

Results

Final analysis was conducted using 222 and 210 households in the treatment and control chars respectively. The logbook intervention had a significant impact (P-value = 0.040) on reducing daily tobacco expenditure by 14% (α = 95%; CI: −0.273, −0.008) for the treatment group relative to the control group based on a difference-in-difference estimator. This is equivalent to a reduction of 20 cigarettes or 140 bidis smoked in a month.

Conclusion

Our minimal contact intervention successfully induced a reduction in smoking tobacco expenditure, which could effectively be incorporated with existing programs in the char regions of Bangladesh.

Keywords

BangladeshChars Tobacco Assessment Project (CTAP)nudgesmokingtobacco control
Type
Original Articles
Information
Journal of Smoking Cessation , Volume 15 , Issue 2 , June 2020 , pp. 76 - 83
Copyright
Copyright © The Author(s), 2020. Published by Cambridge University Press

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