Role of temporal discounting in a conditional cash transfer (CCT) intervention to improve engagement in the prevention of mother-to-child transmission (PMTCT) cascade

Jessica Londeree Saleska, Abigail Norris Turner, Maria F. Gallo, Abigail Shoben, Bienvenu Kawende, Noro Lantoniaina Rosa Ravelomanana, Harsha Thirumurthy, Marcel Yotebieng

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Temporal discounting, the tendency of individuals to discount future costs and benefits relative to the present, is often associated with greater engagement in risky behaviors. Incentives such as conditional cash transfers (CCTs) have the potential to counter the effects of high discount rates on health behaviors. Methods: With data from a randomized trial of a CCT intervention among 434 HIV-positive pregnant women in the Democratic Republic of Congo, we used binomial models to assess interactions between discount rates (measured using a delay-discounting task) and the intervention. The analysis focused on two outcomes: 1) retention in HIV care, and 2) uptake of prevention of mother-to-child transmission (PMTCT) services. Results: The effect of high discount rates on retention was small, and we did not observe evidence of interaction between high discount rates and CCT on retention. However, our findings suggest that CCT may mitigate the negative effect of high discount rates on uptake of PMTCT services (interaction contrast (IC): 0.18, 95% CI: − 0.09, 0.44). Conclusions: Our findings provide evidence to support the continued use of small, frequent incentives, to motivate improved uptake of PMTCT services, especially among women exhibiting high rates of temporal discounting. Trial registration: Clinicaltrials.gov number NCT01838005, April 23, 2013.

Original languageEnglish (US)
Article number477
JournalBMC public health
Volume21
Issue number1
DOIs
StatePublished - Dec 2021

Keywords

  • HIV
  • Intertemporal preferences
  • PMTCT Cascade
  • Prevention of mother-to-child transmission of HIV (PMTCT)
  • Temporal discounting

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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