Poverty, inequality, and increased consumption of high calorie food: Experimental evidence for a causal link

Boyka Bratanova, Stephen Loughnan, Klein Olivier, Almundena Claassen, Robert Wood

Research output: Contribution to journalArticlepeer-review

Abstract

Rising obesity represents a serious, global problem. It is now well established that obesity is associated with poverty and wealth inequality, suggesting that these factors may promote caloric intake. Whereas previous work has examined these links from an epidemiological perspective, the current paper examined them experimentally. In Study 1 we found that people experimentally induced to view themselves as poor (v. wealthy) exhibited increased calorie intake. In Study 2, participants who believed that they were poorer or wealthier than their interaction partners exhibited higher levels of anxiety compared to those in an equal partners condition; this anxiety in turn led to increased calorie consumption for people who had a strong need to belong. The findings provide causal evidence for the poverty-intake and inequality-intake links. Further, we identify social anxiety and a strong need to belong as important social psychological factors linking inequality to increased calorie intake.
Original languageEnglish
Pages (from-to)162–171
JournalAppetite
Volume100
Early online date22 Jan 2016
DOIs
Publication statusPublished - May 2016

Keywords

  • food
  • obesity
  • poverty
  • inequality
  • anxiety

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