Is Optimism Associated With Healthier Cardiovascular-Related Behavior?: Meta-Analyses of 3 Health Behaviors
Abstract
Optimistic people have reduced risk for cardiovascular disease and cardiovascular-related mortality compared with their less optimistic peers. One explanation for this is that optimistic people may be more likely to engage in healthy behavior like exercising frequently, eating fruits and vegetables, and avoiding cigarette smoking. However, researchers have not formally determined the extent or direction of optimism’s association with health behaviors. Moreover, it is unclear whether optimism temporally precedes health behaviors or whether the relationship is because of shared common causes. We conducted random effects meta-analyses examining optimism’s association with 3 health behaviors relevant for the prevention of cardiovascular disease. PubMed and PsycINFO databases were searched for studies published through November 2017 reporting on optimism’s relationship with physical activity, diet, and cigarette smoking. We identified 34 effect sizes for physical activity (n=90 845), 15 effect sizes for diet (n=47 931), and 15 effect sizes for cigarette smoking (n=15 052). Findings suggested that more optimistic individuals tended to engage in healthier behaviors compared with less optimistic individuals, but effect sizes were modest ( r activity =0.07, P <0.0001; r diet =0.12, P <0.0001; and r smoking =0.07, P =0.001). Most evidence was cross-sectional (≥53% of effect sizes) and did not consider sociodemographic characteristics (<53% of effect sizes) or psychological distress (<27% of effect sizes) as potential confounders. Optimism is associated with healthier behaviors that protect against cardiovascular disease, although most evidence was relatively low quality. Additional longitudinal and experimental research is required to determine whether optimism causally contributes to healthy behaviors and whether optimism could be an effective target for preventing cardiovascular disease.
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Optimism is associated with healthier behaviors such as more physical activity, not smoking, healthy diet score, better sleep quality, and higher composite cardiovascular health scores.
“Multiple studies have found that optimism is associated with healthier behaviors such as more physical activity, not smoking, 55 healthy diet score, 56 better sleep quality, 57 and higher composite cardiovascular health scores. 57-59”
From Psychological Health, Well-Being, and the Mind-Heart-Body Connection: A Scientific Statement From the American Heart Association (2021) · cites this paper as [55]
The citation range attached to this source supports the sentence’s claim about higher composite cardiovascular health scores. The Discussion reports associations with physical activity, healthier eating, and less smoking, but our copy does not report an association with a composite cardiovascular health score (searched: composite cardiovascular health scores, overall cardiovascular health composite index). (LLM, conf=0.72)
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- Authors
- Boehm, J. K., Chen, Y., Koga, H., Mathur, M. B., Vie, L. L., & Kubzansky, L. D.
- Affiliations
- Harvard University (US)
- Venue
- Circulation Research
- Published
- 2018-04-13
- Volume
- 122
- Issue
- 8
- Pages
- 1119-1134
- ISSN
- 0009-7330 (ISSN-L)
- 1524-4571
- OpenAlex
- W2798251290
- Cited by
- 194
- References
- 22
- Citations by year
- 2026: 9 · 2025: 29 · 2024: 43 · 2023: 23 · 2022: 30 · 2021: 21 · 2020: 23 · 2019: 15 · 2018: 1
- FWCI
- 2.06
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Circulation Research (publishedVersion)
- PubMed (publishedVersion)
- Chapman University Digital Commons (Chapman University) (submittedVersion)
- Funders
- Robert Wood Johnson Foundation
- Topics
- Social Sciences › Psychology › Applied Psychology › Optimism, Hope, and Well-being
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Health and Mental Health
- Health Sciences › Health Professions › General Health Professions › Health and Wellbeing Research
- Keywords
- optimism, cardiovascular disease prevention, physical activity, diet, fruit and vegetable intake, cigarette smoking, cardiovascular health behaviors, causal inference, psychological distress, sociodemographic confounding
- MeSH terms
- Optimism, Adult, Attitude to Health, Cardiovascular Diseases, Cross-Sectional Studies, Diet, Feeding Behavior, Female, Humans, Longitudinal Studies, Male, Smoking, Health Behavior, Exercise, Causality
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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