. 2020 Dec 7;7(1):e8. doi: 10.1192/bjo.2020.147

Table 2.

Mean mental health scale scores during and before the COVID-19 pandemic

Scale scores	Before the epidemic (n = 2126), mean (s.e.) (A)	During the epidemic, mean (s.e.) (n = 2126)		F	P	Post hoc^a
Scale scores	Before the epidemic (n = 2126), mean (s.e.) (A)	No direct contact with patients with suspected or confirmed COVID-19(n = 1755 (B)	Direct contact with patients with suspected or confirmed COVID-19 (n = 371) (C)	F	P	Post hoc^a
PHQ-9 score	3.14 (4.10)	4.15 (4.23)	5.63 (4.84)	59.424	<0.001	A < B < C
GAD-7 score	2.19 (3.42)	2.83 (3.69)	3.82 (4.26)	32.923	<0.001	A < B < C
ISI score	5.34 (4.86)	5.84 (4.92)	7.06 (5.30)	18.675	<0.001	A < B < C

PHQ-9, Patient Health Questionnaire-9; GAD-7, Generalized Anxiety Disorder-7; ISI, Insomnia Severity Index.

^a.

Games-Howell.