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Table 1 Description of the study population, with demographic characteristics, frequency and qualitative characteristics of use of masks

From: How do the general population behave with facemasks to prevent COVID-19 in the community? A multi-site observational study

Characteristics

Overall, n (%)

Outdoor, n (%)

Indoor, n (%)

Urban

Rural

Urban

Rural

Number of observations

3354

1165

550

974

665

Gender

 Female

1943 (57.9)

705 (60.5)

303 (55.1)

550 (56.5)

385 (57.9)

 Male

1411 (42.1)

460 (39.5)

247 (44.9)

424 (43.5)

280 (42.1)

Age category

 21–40 years

1495 (44.6)

705 (60.5)

141 (25.6)

456 (46.8)

193 (29)

 41–65 years

1184 (35.3)

373 (32)

190 (34.5)

365 (37.5)

256 (38.5)

  > 65 years

675 (20.1)

87 (7.5)

219 (39.8)

153 (15.7)

216 (32.5)

Time of day

 Morning

1454 (43.4)

269 (23.1)

400 (72.7)

328 (33.7)

457 (68.7)

 Afternoon

1900 (56.6)

896 (76.9)

150 (27.3)

646 (66.3)

208 (31.3)

Mask mandated

 No

2773 (82.7)

1165 (100)

550 (100)

510 (52.4)

548 (82.4)

 Yes

581 (17.3)

0 (0)

0 (0)

464 (47.6)

117 (17.6)

Presence of a facemask

 No

1462 (43.6)

732 (62.8)

304 (55.3)

235 (24.1)

191 (28.7)

 Yes

1892 (56.4)

433 (37.2)

246 (44.7)

739 (75.9)

474 (71.3)

Type of facemask (n = 1892)

 Surgical facemask

1075 (56.8)

266 (61.4)

131 (53.3)

419 (56.7)

259 (54.6)

 Cloth mask

817 (43.2)

167 (38.6)

115 (46.7)

320 (43.3)

215 (45.4)

Quality of mask positioning (n = 1892)

 Correct

1422 (75.2)

264 (61)

191 (77.6)

576 (77.9)

391 (82.5)

 Incorrect

470 (24.8)

169 (39)

55 (22.4)

163 (22.1)

83 (17.5)

Incorrect positioning (n = 470)

 Below the mouth

141 (30)

82 (48.5)

14 (25.5)

40 (24.5)

5 (6)

 Below the nose

130 (27.7)

37 (21.9)

23 (41.8)

37 (22.7)

33 (39.8)

 Cross straps

61 (13)

8 (4.7)

6 (10.9)

31 (19)

16 (19.3)

 Not adjusted on the nose

43 (9.1)

10 (5.9)

3 (5.5)

24 (14.7)

6 (7.2)

 Hair down on face

33 (7)

17 (10.1)

5 (9.1)

5 (3.1)

6 (7.2)

 Partial mask attachment with strap

35 (7.4)

9 (5.3)

1 (1.8)

13 (8)

12 (14.5)

 Not stretched under the chin

13 (2.8)

2 (1.2)

1 (1.8)

8 (4.9)

2 (2.4)

 On one ear

10 (2.1)

1 (0.6)

2 (3.6)

4 (2.5)

3 (3.6)

 On the forehead

3 (0.6)

3 (1.8)

0 (0)

0 (0)

0 (0)

 Worn backward

1 (0.2)

0 (0)

0 (0)

1 (0.6)

0 (0)