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. 2020 Oct 21;11:2150132720966167. doi: 10.1177/2150132720966167

Table 1.

Bivariate Analysis Among Factors Associated With Face Mask Related Adverse Skin Reactions.

Factors Adverse skin reaction on the face covering by face mask Crude OR (95% CI) P-value
No adverse skin reaction (n = 379) Present adverse skin reaction (n = 454)
Gender .059
 Male 113 (29.82) 109 (24.01) 1
 Female 266 (70.18) 345 (75.99) 1.34 (0.99-1.83)
Average time (hours) of face mask wearing duration/day .004
 <4 h/day 112 (29.55) 107 (23.57) 1
 4-8 h/day 198 (52.24) 222 (48.9) 1.17 (0.85-1.63)
 >8 h/day 69 (18.21) 125 (27.53) 1.90 (1.28-2.82)
Occupation .021
 Non-Health Care Worker 233 (61.48) 243 (53.52) 1
 Health Care Worker 146 (38.52) 211 (46.48) 1.39 (1.05-1.83)
The most frequent type of face mask used during the study .032
 Cloth face mask 153 (40.37) 139 (30.62) 1
 Surgical mask 219 (57.78) 307 (67.62) 1.54 (1.16-2.06)
 Surgical mask with cloth covering 4 (1.06) 5 (1.1) 1.38 (0.36-5.23)
 N95 mask 3 (0.79) 3 (0.66) 1.1 (0.22-5.54)
Frequency of mask changing (n = 378) (n = 453) .055
 Changing mask everyday 253 (66.93) 274 (60.49) 1
 Use at least 2-3 days before changing 125 (33.07) 179 (39.51) 1.32 (0.99-1.76)