Table 3.

Prevalence of depression according to health beliefs among 932 Chinese healthcare workers during COVID-19.

	Guangdong	Hubei	Hong Kong
Feeling susceptible to COVID-19 infection
Not at all/to a small extent
n	32/363	12/106	34/103
PHQ-9 positive; % (95% CI)	8.8 (6.3-12.2)	11.3 (6.5-19.0)	33.0 (24.6-42.7)
To a very great extent
n	11/48	1/15	36/45
PHQ-9 positive; % (95% CI)	22.9 (13.1-37.0)	6.7 (0.9-37.3)	80.0 (65.6-89.4)
Fearful of contracting COVID-19
Not at all/to a small extent
n	31/340	15/104	15/61
PHQ-9 positive; % (95% CI)	9.1 (6.5-12.7)	14.4 (8.8-22.7)	24.6 (15.3-37.0)
To a very great extent
n	14/65	2/10	66/102
PHQ-9 positive; % (95% CI)	21.5 (13.1-33.3)	20.0 (4.6-56.5)	64.7 (54.9-73.4)
Wearing face mask could prevent contracting COVID-19
Not at all/to a small extent
n	5/34	1/9	7/17
PHQ-9 positive; % (95% CI)	14.7 (6.2-31.2)	11.1 (1.3-53.6)	41.2 (20.5-65.6)
To a very great extent
n	32/280	8/95	89/180
PHQ-9 positive; % (95% CI)	11.4 (8.2-15.7)	8.4 (4.2-16.1)	49.4 (42.2-56.8)
Difficult to get face masks
Not at all/to a small extent
n	31/308	14/121	31/98
PHQ-9 positive; % (95% CI)	10.1 (7.2-14.0)	11.6 (6.9-18.7)	31.6 (23.1-41.6)
To a very great extent
n	14/76	2/5	53/76
PHQ-9 positive; % (95% CI)	18.4 (11.2-28.8)	40.0 (8.1-83.4)	69.7 (58.4-79.1)
Encouraged by family and peers to wear face mask
Not at all/to a small extent
n	4/27	3/12	13/18
PHQ-9 positive; % (95% CI)	14.8 (5.6-34.0)	25.0 (7.8-56.9)	72.2 (47.2-88.3)
To a very great extent
n	40/351	12/107	100/201
PHQ-9 positive; % (95% CI)	11.4 (8.5-15.2)	11.2 (6.4-18.8)	49.8 (42.8-56.7)
Having adequate knowledge about COVID-19
Not at all/to a small extent
n	4/30	1/5	32/56
PHQ-9 positive; % (95% CI)	3.3 (0.4-20.8)	20.0 (2.1-74.7)	57.1 (43.8-69.5)
To a very great extent
n	25/213	7/79	30/65
PHQ-9 positive; % (95% CI)	11.7 (8.0-16.8)	8.9 (4.2-17.6)	46.2 (34.3-58.4)