Table 1 Demographic information, work conditions, and use of personal protective equipment (PPE) among healthcare workers respondents

Age (years)

37.9 ± 10.1

33.0 ± 9.8

32.5 ± 9.0

30.5 ± 9.0

33.8 ± 8.8

23.0 ± 2.0

Number of female participants

2076 (96.1%)

46 (41.8%)

290 (71.3%)

35 (63.6%)

106 (74.6%)

20 (9.7%)

Number of participants that worked mainly in a non-air-conditioned area

258 (11.9%)

83 (75.5%)

41 (10.1%)

21 (38.2%)

41 (28.9%)

184 (88.9%)

Number of participants required to work outdoors

172 (8.0%)

2 (1.8%)

0 (0.0%)

30 (54.5%)

0 (0.0%)

11 (5.3%)

Number of participants with a dedicated rest area

717 (33.2%)

67 (60.9%)

107 (26.3%)

0 (0.0%)

0 (0.0%)

87 (42.0%)

Use of PPE

Number of participants that used an N95 or equivalent

1478 (68.4%)

93 (84.5%)

364 (89.4%)

55 (100.0%)

109 (76.8%)

166 (80.2%)

Number of participants that used a surgical mask

2018 (93.4%)

97 (88.2%)

380 (93.4%)

10 (18.2%)

61 (43.0%)

69 (33.3%)

Number of participants that used gloves

1995 (92.3%)

99 (90.0%)

383 (94.1%)

53 (96.4%)

102 (71.8%)

152 (73.4%)

Number of participants that used a gown

1871 (86.6%)

68 (61.8%)

368 (90.4%)

54 (98.2%)

108 (76.1%)

153 (73.9%)

Number of participants that used goggles

1413 (65.4%)

52 (47.3%)

260 (63.9%)

48 (87.3%)

22 (15.5%)

11 (5.3%)

Number of participants that used a face shield

1309 (60.6%)

38 (34.5%)

306 (75.2%)

14 (25.5%)

136 (95.8%)

145 (70.0%)

How many days in a week do HCWs work in PPE? (days)

3.5 ± 2.1

5.4 ± 1.5

5.1 ± 1.3

4.7 ± 1.0

5.3 ± 1.5

4.4 ± 3.4

How many hours do HCWs wear PPE for each shift? (h)

6.4 ± 3.5

6.4 ± 2.3

7.1 (3.3)

8.1 ± 1.0

5.3 ± 1.9

3.8 ± 6.6

Number of participants that take off PPE during breaks

335 (15.5%)

44 (40.0%)

202 (49.6%)

1 (1.8%)

0 (0.0%)

147 (71.0%)

Number of participants that took sick leave due to heat stress

79 (3.7%)

0 (0.0%)

19 (4.7%)

0 (0.0%)

0 (0.0%)

5 (2.4%)