Time Preferences and Medical Adherence: Evidence from Pregnant Women in South Africa

59 Pages Posted: 29 Nov 2022

See all articles by Christina Annette Gravert

Christina Annette Gravert

University of Copenhagen

Kai Barron

WZB Berlin Social Science Center

Mette Damgaard

Aarhus University - Department of Economics and Business Economics

Lisa Norrgren

University of Gothenburg - Department of Economics

Abstract

The effectiveness of health recommendations and treatment plans depends on the extent to which individuals follow them. For the individual, medical adherence involves an inter-temporal trade-off between expected future health benefits and immediate effort costs. Therefore examining time preferences may help us to understand why some people fail to follow health recommendations and treatment plans. In this paper, we use a simple, real-effort task implemented via text message to elicit the time preferences of pregnant women in South Africa.We find evidence that high discounters are significantly less likely to report to adhere to the recommendation of taking daily iron supplements daily during pregnancy. There is some weak indication that time inconsistency also negatively affects adherence. Together our results suggest that measuring time preferences could help predict medication adherence and thus be used to improve preventive health care measures.

Note:
Funding Declaration: The activities of CEBI are financed by the Danish National Research Foundation, Grant DNRF134. The AEA RCT Registry: AEARCTR-0004018.

Conflict of Interests: The authors have no conflict of interest.

Ethical Approval: Ethics Approval from Pharma Ethics Ltd, Reference No:181021588.

Keywords: time preferences, medical adherence, experiment

Suggested Citation

Gravert, Christina Annette and Barron, Kai and Damgaard, Mette and Norrgren, Lisa, Time Preferences and Medical Adherence: Evidence from Pregnant Women in South Africa. Available at SSRN: https://ssrn.com/abstract=4265584 or http://dx.doi.org/10.2139/ssrn.4265584

Christina Annette Gravert (Contact Author)

University of Copenhagen ( email )

Nørregade 10
Copenhagen, DK-1165
Denmark

Kai Barron

WZB Berlin Social Science Center ( email )

Reichpietschufer 50
D-10785 Berlin, 10785
Germany

HOME PAGE: http://sites.google.com/site/kaibarron/

Mette Damgaard

Aarhus University - Department of Economics and Business Economics ( email )

Fuglesangs Alle 4
Aarhus, 8210
Denmark

Lisa Norrgren

University of Gothenburg - Department of Economics ( email )

Sweden

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