Abstract
Before vaccines for coronavirus disease 2019 (COVID-19) became available, a set of infection-prevention behaviors constituted the primary means to mitigate the virus spread. Our study aimed to identify important predictors of this set of behaviors. Whereas social and health psychological theories suggest a limited set of predictors, machine-learning analyses can identify correlates from a larger pool of candidate predictors. We used random forests to rank 115 candidate correlates of infection-prevention behavior in 56,072 participants across 28 countries, administered in March to May 2020. The machine-learning model predicted 52% of the variance in infection-prevention behavior in a separate test sample—exceeding the performance of psychological models of health behavior. Results indicated the two most important predictors related to individual-level injunctive norms. Illustrating how data-driven methods can complement theory, some of the most important predictors were not derived from theories of health behavior—and some theoretically derived predictors were relatively unimportant.
| Original language | English |
|---|---|
| Article number | 100482 |
| Journal | Patterns |
| Volume | 3 |
| Issue number | 4 |
| Number of pages | 14 |
| DOIs | |
| Publication status | Published - 08.04.2022 |
Bibliographical note
Publisher Copyright:© 2022 The Author(s)
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Research areas and keywords
- COVID-19
- Economic burden
- Health behaviors
- Infection risk
- random forest
- social norms
- DSML2: Proof-of-concept: Data science output has been formulated, implemented, and tested for one domain/problem
- machine learning
- public goods dilemma
- health behaviors
- Health sciences
ASJC Scopus Subject Areas
- Decision Sciences(all)
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