ArticlePloS one2026
Why do people comply with health guidelines in a competing information environment?
Article in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The COVID-19 pandemic unfolded in parallel with an infodemic where competing information from formal and informal sources shaped protective behavior. This study conducted a secondary analysis of cross-sectional survey data from 742 U.S. adults to examine how reliance on different information channels influenced risk perceptions, socio-political beliefs, and protective intentions. Structural equation modeling revealed that reliance on formal sources, such as government websites and mainstream news, was positively associated with perceived severity, reduced conspiracy endorsement, and more liberal political orientation, all of which increased mask-wearing and vaccination intentions. Reliance on informal sources, including social media and peer networks, reduced severity perceptions, heightened conspiracy beliefs, and reinforced more conservative orientations, which in turn undermined compliance. Perceived severity functioned as a central mediator, directly encouraging mask use and indirectly promoting vaccination through reduced conspiracy endorsement. Political ideology and conspiracy beliefs further shaped vaccine intentions, highlighting the ideological pathways through which information exerts influence. Mask-wearing and vaccination clustered together, indicating a generalized orientation toward protective action. The model underscored the critical role of information environments as upstream determinants of health behavior during crises. These findings emphasize that managing both formal and informal channels is essential for effective crisis communication and for strengthening public compliance in future health emergencies.
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