Comparison of Mask-Wearing Behavior on Social Media and Its Relationship With Demographic Characteristics During the COVID-19 Pandemic: Social Media Data Analysis Between the United States and Japan.

JMIR Hum Factors · 2026 · PMC13060749 · PMID 41950353

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a decreasing trendno p-value reported

Both countries show a decreasing trend in tweets against masking from January 2020 to April, followed by an upward trend after relevant departments released recommendations about mask-wearing.

also in 47,180 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.