Cited by 456Behavioral Health and InterventionsNutrition, Health and Food BehaviorMedia Influence and Health

Do implementation intentions help to eat a healthy diet? A systematic review and meta-analysis of the empirical evidence

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Adriaanse, Marieke A., Vinkers, Charlotte D.W., De Ridder, Denise T.D., Hox, Joop J., De Wit, John B.F.·2011·Appetite

Abstract

Objective This systematic review and meta-analysis examined whether implementation intentions are an effective tool to help people put their intentions to eat a healthy diet into practice. Additionally, it was investigated whether the quality of the outcome measures and the quality of the control conditions that are used in these studies influence implementation intentions' effectiveness.Methods Twenty three empirical studies investigating the effect of implementation intentions on eating behavior were included. In assessing the empirical evidence, a distinction was made between studies that aim to increase healthy eating (i.e., eating more fruits) and studies that aim to diminish unhealthy eating (i.e., eating fewer unhealthy snacks).Results Implementation intentions are an effective tool for promoting the inclusion of healthy food items in one's diet (Cohen's d=.51), but results for diminishing unhealthy eating patterns are less strong (Cohen's d=.29). For studies aiming to increase healthy eating, it was found that higher quality outcome measures and lower quality control conditions tended to yield stronger effects.Conclusion Implementation intentions are somewhat more effective in promoting healthy eating than in diminishing unhealthy eating, although for some studies promoting healthy eating effect sizes may have been inflated due to less than optimal control conditions.

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  • Adriaanse et al. (2011) found implementation intention interventions had a moderate effect for promoting healthy food inclusion (d = 0.51) and smaller effects for diminishing unhealthy eating (d = 0.29).

    “Adriaanse et al. (2011) found implementation intention interventions to have a moderate effect size for promoting the inclusion of healthy food items in one's diet (Cohen's d = 0.51) and smaller effects for diminishing unhealthy eating patterns (Cohen's d = 0.29).”
  • Decreasing risky behavior may be harder to achieve than increasing health-promoting behavior.

    “Decreasing risky behavior may be harder to achieve than increasing health-promoting behavior (Adriaanse et al. 2011).”

    From A meta-analysis of serious digital games for healthy lifestyle promotion (2014) · cites this paper as Adriaanse et al. 2011

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Research works printed but not linked: 2

  1. Sheeran, P., & Orbell, S. (1999). Implementation intentions and repeated behaviour. Augmenting the predictive validity of the theory of planned behaviour. European Journal of Social Psychology, 29, 349-369.
  2. Verplanken, B., & Faes, S. (1999). Good intentions, bad habits, and effects of forming implementation intentions on healthy eating. European Journal of Social Psychology, 29, 591-604.

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Authors
Adriaanse, M. A., Vinkers, C. D. W., De Ridder, D. T. D., Hox, J. J., & De Wit, J. B. F.
Affiliations
Utrecht University (NL)
Corresponding author
Adriaanse, Marieke A.
Venue
Appetite
Publisher
Elsevier BV
Published
2011-02
Volume
56
Issue
1
Pages
183-193
ISSN
0195-6663 (ISSN-L)
OpenAlex
W2124879460
Cited by
455
References
52
Citations by year
2026: 12 · 2025: 14 · 2024: 28 · 2023: 24 · 2022: 23 · 2021: 42 · 2020: 89 · 2019: 28 · 2018: 21 · 2017: 43 · 2016: 38 · 2015: 33 · 2014: 24 · 2013: 22 · 2012: 10
FWCI
1.23
Type
journal article
Language
en
Open access
Locations
  • Appetite (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Applied Psychology › Behavioral Health and Interventions
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
  • Social Sciences › Arts and Humanities › Literature and Literary Theory › Media Influence and Health
Keywords
implementation intentions, healthy eating, dietary habits, fruit consumption, unhealthy snacks, effect size inflation
MeSH terms
Diet, Feeding Behavior, Goals, Health Promotion, Humans, Research Design, Health Behavior, Intention

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