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March 12, 2026Health Psychology3 citationsOpen Access

Trait self-control and health behavior: Meta-analysis and test of a mediational model.

MHMartin S. HaggerSSSabryna V. SasJBJessica Balla

Key Points

  • To explore the relationship between trait self-control and health behaviors through a mediational model.
  • Conducted a meta-analysis to aggregate findings from multiple studies.
  • Tested a mediational model examining the role of impulse-related behaviors.
  • Estimated effect sizes and variability for trait self-control on health behaviors.
  • The model shows a significant link between trait self-control and healthier behaviors.
  • Impulse-related behaviors were found to significantly moderate this relationship.
  • Effect sizes indicate expected variability in future health behavior studies.

Abstract

Findings provide preliminary support for the model signaling a candidate mechanism for trait self-control-health behavior relations and providing prior effect size and variability estimates that could be expected in future studies. Impulse-related behaviors represent a key moderating condition that magnifies trait self-control-behavior effects. (PsycInfo Database Record (c) 2026 APA, all rights reserved).

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Cite This Study

Hagger et al. (2026) studied this question.

synapsesocial.com/papers/69b257ec96eeacc4fcec7072https://doi.org/10.1037/hea0001588
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