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Healthy, nudged, and wise: Experimental evidence on the role of information salience in reducing tobacco intake

Brief about:

Journal Article (2022)

Open access
Written by:
Senior Lecturer in Economics | University of Sussex
Other researchers:
Tushar Bharati
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Cite page
Fakir, Adnan. 'Healthy, nudged, and wise: Experimental evidence on the role of information salience in reducing tobacco intake'. Acume. https://www.acume.org/r/healthy-nudged-and-wise-experimental-evidence-on-the-role-of-information-salience-in-reducing-tobacco-intake/

 Evaluates the impact of behavioral interventions on tobacco consumption in an ultra-poor rural area in Bangladesh, where traditional policy tools like taxation and warning labels are often ineffective.

Bangladesh’s healthcare system faces severe strain from preventable lifestyle diseases, with tobacco use being a significant factor. Bangladesh has high smoking rates, especially in rural regions, where unique socio-economic and cultural factors contribute to tobacco dependency. This study, conducted in the chars (riverine islands) of Gaibandha district, targets an exceptionally isolated and impoverished population with high tobacco use and limited access to healthcare, education, or national anti-tobacco campaigns. Men predominantly smoke cigarettes or bidis, and some also use smokeless tobacco (SLT), while women exclusively consume SLT for social and perceived health benefits. This high tobacco dependency is rooted in a cultural tradition where tobacco consumption symbolizes hospitality, social belonging, and a means to cope with high-stress living conditions. The experimental site is highly relevant due to these factors and the inadequacy of conventional tobacco control methods.

 

Key findings

  1. The logbook intervention (LT), which required participants to record daily tobacco expenditures, reduced household tobacco spending by 22.8%, but led to substitution to smokeless tobacco (SLT).
    Evidence

    LT lowered overall tobacco expenditure in participating households by 22.8%, but men shifted from cigarettes to cheaper SLT, increasing SLT spending by 22%. This substitution suggests that highlighting the immediate financial costs can inadvertently promote the use of cheaper, equally harmful tobacco products when such options are available.

    What it means

    The LT's focus on immediate costs may not promote net reductions in tobacco consumption in low-income settings with access to cheaper alternatives.

  2. The poster intervention (PT), which displayed the health risks of tobacco use, particularly on children, reduced both smoking and SLT use without triggering substitution behaviors.
    Evidence

    PT reduced tobacco expenditure by 25.3% in participant households and was associated with an 8.7% reduction in breath carbon monoxide levels among men. PT also significantly reduced SLT consumption in women (by 10.7%). While both interventions lowered tobacco spending, PT's emphasis on health risks, particularly to children, was more effective in reducing both smoking and SLT use.

    What it means

    Health-focused interventions that leverage parental concerns about children's wellbeing may more effectively reduce tobacco use without promoting harmful substitutes.

  3. Males whose spouses did not consume tobacco exhibited greater reductions in smoking and expenditure on smoking tobacco following the interventions.
    Evidence

    Men with non-tobacco-consuming spouses reduced smoking tobacco spending and smoking rates more significantly than those with tobacco-using spouses in both LT and PT groups. This effect suggests that household social dynamics and partner behaviors reinforce intervention impacts.

    What it means

    Household composition, specifically the tobacco consumption habits of spouses, can amplify or hinder intervention outcomes.

  4. Higher tobacco expenditure at baseline and risk aversion among participants were associated with a stronger response to LT, while participants with children under five were particularly responsive to PT.
    Evidence

    LT prompted greater tobacco reductions among men with risk-averse attitudes and those whose tobacco spending exceeded 5.5% of household expenditures. PT was most effective for men with children under five, who were motivated by the health risks to children displayed on the posters.

    What it means

    Tailoring interventions based on risk attitudes, expenditure levels, and parental status can enhance their effectiveness in tobacco control.

  5. Both interventions were relatively cost-effective, with PT achieving larger reductions without substitution at a cost of approximately USD 11 per participant, compared to USD 13 for LT.
    Evidence

    Costs included materials, training, and monitoring for one month. PT's costs were 15% lower, yet it achieved larger reductions in tobacco use without substitution to SLT, making it more effective per dollar spent.

    What it means

    Behavioral interventions that leverage health concerns (particularly those targeting parental motivations) may offer a more sustainable and cost-effective alternative to purely financial nudges in tobacco control for low-income regions.

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Healthy, nudged, and wise: Experimental evidence on the role of information salience in reducing tobacco intake

Cite this brief: Fakir, Adnan. 'Healthy, nudged, and wise: Experimental evidence on the role of information salience in reducing tobacco intake'. Acume. https://www.acume.org/r/healthy-nudged-and-wise-experimental-evidence-on-the-role-of-information-salience-in-reducing-tobacco-intake/

Brief created by: Dr Adnan Fakir | Year brief made: 2024

Original research:

  • Bharati, T., & Fakir, A., ‘Healthy, nudged, and wise: Experimental evidence on the role of information salience in reducing tobacco intake’ 31(5) (pp. 38) https://doi.org/10.1002/hec.4509. – https://onlinelibrary.wiley.com/doi/10.1002/hec.4509

Research brief:

Evaluates the impact of behavioral interventions on tobacco consumption in an ultra-poor rural area in Bangladesh, where traditional policy tools like taxation and warning labels are often ineffective.

Bangladesh’s healthcare system faces severe strain from preventable lifestyle diseases, with tobacco use being a significant factor. Bangladesh has high smoking rates, especially in rural regions, where unique socio-economic and cultural factors contribute to tobacco dependency. This study, conducted in the chars (riverine islands) of Gaibandha district, targets an exceptionally isolated and impoverished population with high tobacco use and limited access to healthcare, education, or national anti-tobacco campaigns. Men predominantly smoke cigarettes or bidis, and some also use smokeless tobacco (SLT), while women exclusively consume SLT for social and perceived health benefits. This high tobacco dependency is rooted in a cultural tradition where tobacco consumption symbolizes hospitality, social belonging, and a means to cope with high-stress living conditions. The experimental site is highly relevant due to these factors and the inadequacy of conventional tobacco control methods.

Findings:

The logbook intervention (LT), which required participants to record daily tobacco expenditures, reduced household tobacco spending by 22.8%, but led to substitution to smokeless tobacco (SLT).

LT lowered overall tobacco expenditure in participating households by 22.8%, but men shifted from cigarettes to cheaper SLT, increasing SLT spending by 22%. This substitution suggests that highlighting the immediate financial costs can inadvertently promote the use of cheaper, equally harmful tobacco products when such options are available.

The LT’s focus on immediate costs may not promote net reductions in tobacco consumption in low-income settings with access to cheaper alternatives.

The poster intervention (PT), which displayed the health risks of tobacco use, particularly on children, reduced both smoking and SLT use without triggering substitution behaviors.

PT reduced tobacco expenditure by 25.3% in participant households and was associated with an 8.7% reduction in breath carbon monoxide levels among men. PT also significantly reduced SLT consumption in women (by 10.7%). While both interventions lowered tobacco spending, PT’s emphasis on health risks, particularly to children, was more effective in reducing both smoking and SLT use.

Health-focused interventions that leverage parental concerns about children’s wellbeing may more effectively reduce tobacco use without promoting harmful substitutes.

Males whose spouses did not consume tobacco exhibited greater reductions in smoking and expenditure on smoking tobacco following the interventions.

Men with non-tobacco-consuming spouses reduced smoking tobacco spending and smoking rates more significantly than those with tobacco-using spouses in both LT and PT groups. This effect suggests that household social dynamics and partner behaviors reinforce intervention impacts.

Household composition, specifically the tobacco consumption habits of spouses, can amplify or hinder intervention outcomes.

Higher tobacco expenditure at baseline and risk aversion among participants were associated with a stronger response to LT, while participants with children under five were particularly responsive to PT.

LT prompted greater tobacco reductions among men with risk-averse attitudes and those whose tobacco spending exceeded 5.5% of household expenditures. PT was most effective for men with children under five, who were motivated by the health risks to children displayed on the posters.

Tailoring interventions based on risk attitudes, expenditure levels, and parental status can enhance their effectiveness in tobacco control.

Both interventions were relatively cost-effective, with PT achieving larger reductions without substitution at a cost of approximately USD 11 per participant, compared to USD 13 for LT.

Costs included materials, training, and monitoring for one month. PT’s costs were 15% lower, yet it achieved larger reductions in tobacco use without substitution to SLT, making it more effective per dollar spent.

Behavioral interventions that leverage health concerns (particularly those targeting parental motivations) may offer a more sustainable and cost-effective alternative to purely financial nudges in tobacco control for low-income regions.

Open Access|Peer Reviewed

"Healthy, nudged, and wise: Experimental evidence on the role of information salience in reducing tobacco intake"

Cite paper

Bharati, T., & Fakir, A., ‘Healthy, nudged, and wise: Experimental evidence on the role of information salience in reducing tobacco intake’ 31(5) (pp. 38) https://doi.org/10.1002/hec.4509.

2022 · Health Economics · pp. 38Find full paper →DOI: 10.1002/hec.4509
Co-authors
Tushar Bharati
Methodology
This is a applied research.

This study used a two-stage clustered randomized controlled trial with 985 households from 24 chars (riverine islands) in Gaibandha district, Bangladesh. Participants were randomly assigned to three groups: a control group, a logbook intervention (LT) group, and a poster intervention (PT) group. The LT group recorded daily tobacco expenditures in a logbook designed to accommodate low literacy, while the PT group placed graphic posters depicting tobacco's health effects on adults and children. Data was collected through baseline and end-line surveys over a 4-week intervention period, with no attrition among participants. Carbon monoxide (CO) levels in exhaled breath provided an objective measure of smoking intensity, and expenditure records were compared between baseline and end line to assess intervention impacts.

Funding

Supported by Johns Hopkins Institute for Global Tobacco Control and Bangladesh Center for Communication Programs Research Grant Program; BRAC University.

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