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Table 1 List of countries included in the analysis

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

Country

Total responses

Complete responsesa

Analytic sampleb

18,730,575 (100%)

14,552,118 (77.69%)

13,723,810 (73.27%)

Argentina

659,009 (3.52%)

484,352 (2.59%)

435,134 (2.32%)

Australia

325,885 (1.74%)

266,113 (1.42%)

254,095 (1.36%)

Austria

138,777 (0.74%)

113,097 (0.6%)

111,133 (0.59%)

Belgium

142,999 (0.76%)

101,548 (0.54%)

97,550 (0.52%)

Brazil

2,322,508 (12.4%)

1,788,903 (9.55%)

1,700,210 (9.08%)

Bulgaria

96,459 (0.51%)

75,085 (0.4%)

72,191 (0.39%)

Canada

417,071 (2.23%)

346,718 (1.85%)

329,517 (1.76%)

Chile

324,447 (1.73%)

256,195 (1.37%)

229,449 (1.22%)

Colombia

574,169 (3.07%)

449,043 (2.4%)

394,540 (2.11%)

Costa Rica

167,986 (0.9%)

131,144 (0.7%)

115,907 (0.62%)

Czech Republic

213,108 (1.14%)

168,216 (0.9%)

162,533 (0.87%)

Denmark

306,917 (1.64%)

257,938 (1.38%)

254,406 (1.36%)

Finland

157,593 (0.84%)

133,380 (0.71%)

125,433 (0.67%)

France

708,994 (3.79%)

459,218 (2.54%)

442,412 (2.36%)

Germany

763,760 (4.08%)

628,053 (3.35%)

619,066 (3.31%)

Greece

197,813 (1.06%)

163,753 (0.87%)

154,268 (0.82%)

Hungary

320,668 (1.71%)

255,230 (1.36%)

242,901 (1.3%)

India

1,083,384 (5.78%)

728,852 (3.89%)

642,297 (3.43%)

Indonesia

547,797 (2.92%)

398,395 (2.13%)

370,107 (1.98%)

Ireland

163,006 (0.87%)

131,488 (0.7%)

125,645 (0.67%)

Israel

193,693 (1.03%)

156,551 (0.84%)

150,858 (0.81%)

Italy

989,919 (5.29%)

796,122 (4.25%)

775,840 (4.14%)

Japan

1,418,201 (7.57%)

1,178,538 (6.29%)

1,163,828 (6.21%)

Mexico

1,831,010 (9.78%)

1,425,019 (7.61%)

1,302,477 (6.95%)

Netherlands

355,421 (1.9%)

294,844 (1.57%)

265,162 (1.42%)

New Zealand

125,601 (0.67%)

101,695 (0.54%)

96,472 (0.52%)

Norway

205,460 (1.1%)

171,999 (0.92%)

157,285 (0.84%)

Poland

388,553 (2.07%)

265,143 (1.42%)

257,927 (1.38%)

Portugal

353,606 (1.89%)

247,065 (1.32%)

238,697 (1.27%)

Romania

385,949 (2.06%)

308,116 (1.64%)

293,426 (1.57%)

Russia

273,870 (1.46%)

214,795 (1.15%)

201,447 (1.08%)

Slovenia

43,665 (0.23%)

35,613 (0.19%)

34,606 (0.18%)

South Africa

235,188 (1.26%)

189,818 (1.01%)

179,337 (0.96%)

Spain

659,951 (3.52%)

518,427 (2.77%)

503,994 (2.69%)

Sweden

484,930 (2.59%)

409,192 (2.18%)

385,530 (2.06%)

Switzerland

148,638 (0.79%)

115,230 (0.62%)

112,087 (0.6%)

Turkey

480,588 (2.57%)

359,907 (1.92%)

336,594 (1.8%)

United Kingdom

523,982 (2.8%)

427,323 (2.28%)

389,449 (2.08%)

  1. aFull sample for the primary model (April 23, 2020 - October 31, 2020)
  2. bComplete cases (analytic sample) included in the primary model (April 23, 2020 - October 31, 2020)