. 2020 Nov 25;281:574–580. doi: 10.1016/j.jad.2020.11.113

Table 2.

Association between mask wearing practice and anxiety.

Mask wearing practice	Type of mask wearing		P_value	Way of mask wearing		P_value	Behavior of mask wearing		P_value
Mask wearing practice	Proper	Improper	P_value	Proper	Improper	P_value	Proper	Improper	P_value
Total
Cases/participants	6447/50,582	2652/16,775		8489/63,707	610/3650		8882/66,088	217/1269
cOR (95% CI)	1.00 (ref)	1.29 (1.22–1.35)	<0.0001^a	1.00 (ref)	1.31 (1.19–1.43)	<0.0001^a	1.00 (ref)	1.33 (1.15–1.54)	0.0007^a
aOR (95% CI)	1.00 (ref)	1.17 (1.11–1.24)	<0.0001^a	1.00 (ref)	1.18 (1.07–1.30)	0.0035^a	1.00 (ref)	1.39 (1.18–1.64)	0.0002^a
Sex			<0.0001^b			<0.0001^b			<0.0001^b
Men
Cases/participants	1406/11,990	804/5460		2021/16,200	189/1250		2123/16,979	87/471
cOR (95% CI)	1.00 (ref)	1.30 (1.18–1.43)	<0.0001^a ^a	1.00 (ref)	1.25 (1.06–1.47)	0.0274^a	1.00 (ref)	1.59 (1.25–2.01)	0.0004^a
aOR (95% CI)	1.00 (ref)	1.19 (1.08–1.32)	0.0012^a	1.00 (ref)	1.08 (0.91-1.29)	0.5591^a	1.00 (ref)	1.79 (1.37–2.35)	<0.0001^a
Women
Cases/participants	5041/38,592	1848/11,315		6468/47,507	421/2400		6759/49,109	130/798
cOR (95% CI)	1.00 (ref)	1.30 (1.23–1.38)	<0.0001^a	1.00 (ref)	1.35 (1.21–1.51)	<0.0001^a	1.00 (ref)	1.22 (1.01–1.47)	0.0726^a
aOR (95% CI)	1.00 (ref)	1.16 (1.09–1.24)	<0.0001^a	1.00 (ref)	1.23 (1.09–1.39)	0.0013^a	1.00 (ref)	1.20 (0.97–1.48)	0.1257^a
Age			0.0021^b			0.1460^b			0.0062^b
Age < 45 years
Cases/participants	5024/39,635	1986/12,532		6561/49,432	449/2735		6850/51,198	160/969
cOR (95% CI)	1.00 (ref)	1.30 (1.23–1.37)	<0.0001^a	1.00 (ref)	1.28 (1.16–1.43)	<0.0001^a	1.00 (ref)	1.28 (1.08–1.52)	0.0137^a
aOR (95% CI)	1.00 (ref)	1.16 (1.09–1.24)	<0.0001^a	1.00 (ref)	1.13 (1.01–1.26)	0.0699^a	1.00 (ref)	1.30 (1.07–1.57)	0.0108^a
Age ≥ 45 years
Cases/participants	1423/10,947	666/4243		1928/14,275	161/915		2032/14,890	57/300
cOR (95% CI)	1.00 (ref)	1.25 (1.13–1.38)	0.0001^a	1.00 (ref)	1.37 (1.15–1.63)	0.0016^a	1.00 (ref)	1.49 (1.11–1.99)	0.0133^a
aOR (95% CI)	1.00 (ref)	1.20 (1.08–1.34)	0.0023^a	1.00 (ref)	1.33 (1.10–1.62)	0.0067^a	1.00 (ref)	1.68 (1.22–2.33)	0.0018^a

Abbreviations: aOR, adjusted odds ratio; CI, confidence interval; cOR, crude odds ratio; ref, reference.

cOR: Unadjusted.

aOR: Adjusted for age, sex, education status, married status, type of teachers, school location, information source, attention level, worried level, fear level.

P value is based on joint tests.

P value is based on the interaction effect.