Global trends and predictors of face mask usage during the COVID-19 pandemic

BMC Public Health

Table 3 Weighted distribution of respondent characteristics among 13,723,810 respondents who reported being in public in the past 7 days and provided complete responses

	Overall (Unweighted N = 13,723,810)			Mask usage = 1^a (Unweighted N = 10,610,836)			Mask usage = 0^b (Unweighted N = 3,112,974)
Sex	%			%			%
Female	43.15			43.96			39.03
Male	56.64			55.85			60.66
Other	0.20			0.18			0.30
Age	%			%			%
18–34	14.68			14.71			14.52
25–34	26.29			26.97			22.83
35–44	18.76			18.84			18.34
45–54	18.3			18.24			18.61
55–64	10.70			10.40			12.23
> = 65	11.26			10.84			13.44
Current location	%			%			%
Urban	46.37			44.33			56.75
Non-urban	53.63			55.67			43.25
Gone to work outside in the last 24 h	%			%			%
Yes	36.23			35.63			39.29
No	63.76			64.36			60.71
Gone to a market, grocery store, or pharmacy in the last 24 h	%			%			%
Yes	65.79			65.24			68.58
No	35.96			34.76			31.42
Gone to a restaurant, café, or shopping center in the last 24 h	%			%			%
Yes	25.36			23.84			33.11
No	74.64			76.15			66.89
Spent time with a non-same household member in the last 24 h	%			%			%
Yes	43.16			40.70			55.68
No	56.84			59.29			44.32
Attended a public event with more than 10 people in the last 24 h	%			%			%
Yes	10.31			9.65			17.62
No	89.05			90.35			82.38
Tested for COVID-19	%			%			%
Yes	12.94			13.36			10.76
No	87.06			86.64			89.22
Worried about household finances in the next month^c	%			%			%
Yes	21.01			21.35			17.68
No	78.99			78.65			82.32
Worked for pay in the last 7 days^c	%			%			%
Yes	53.10			53.84			58.79
No	46.90			46.16			41.21
Years of education^c	Q1	Q2	Q3	Q1	Q2	Q3	Q1	Q2	Q3
Years of education^c	10	14	17	11	15	17	9	13	16

^aPrimary model (full analytic sample; April 23, 2020 - October 31, 2020)
^bSecondary model (June 27, 2020 - October 31, 2020)
^cVariable only included in the secondary model, fit with the narrower time period in which it was available

ISSN: 1471-2458