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. 2021 Apr 24;28(7):1564–1573. doi: 10.1093/jamia/ocab047

Table 4.

Comparison of use of external information among pro- vs anti-mask tweets

Source Pro-Mask Tweets (%) Anti-Mask Tweets (%)
Other tweets 12.96 3.88
Instagram 4.48 0.75
YouTube 0.28 0.16
CDC website 0.073 0.054
The New York Times 0.055 0.039
Websites of local public health agencies (eg, coronavirus.ohio.gov) 0.093 0.03
Information sourced from any public health authority 0.178 0.093
Total 19.35 5.98

CDC: Centers for Disease Control and Prevention.