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. 2015 Dec;5(1):33.
doi: 10.1186/s13561-015-0069-z. Epub 2015 Oct 26.

Consumer response to media information: the case of grapefruit-medicine interaction

Hyeyoung Kim  1 , Lisa A House  2 , Matthew Salois  3
Affiliations

Consumer response to media information: the case of grapefruit-medicine interaction

Hyeyoung Kim et al. Health Econ Rev. 2015 Dec.

Abstract

This study measured the effect of media exposure on grapefruit/grapefruit juice consumption changes, in particular grapefruit-medicine interaction. Respondents' attitudes about health news on television and the internet were measured to account for consumers exposed versus not exposed to such information. Results of a sample selection model show that consumer attitudes toward health news were significantly related to exposure to media information. Also, news exposure about grapefruit-medicine interaction has a tendency to result in reduced grapefruit consumption. Consumers who are directly affected by the medication interaction significantly react to the news, and the effect varies by age. Even though consumer's age was positively related to the probability of increased grapefruit consumption, when consumers took the medication, consumer's age was negatively related to the probability of increased grapefruit consumption.

Keywords: Food-medicine interaction; Grapefruit; Interaction terms; Non-linear model; Sample selection.

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Figures

Fig. 1
Fig. 1
Conditional probability of awareness of grapefruit news releases for a particular demographic group, a changes by prescription medication status over age and b changes by frequency of grapefruit consumption over age
Fig. 2
Fig. 2
Conditional probability of increasing consumption for a particular demographic group given respondents exposed grapefruit news: a awareness of grapefruit-medication interactions, b changes by prescribed medication status over age, c changes by frequency of grapefruit consumption over age
See this image and copyright information in PMC

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