Table 1 Sociodemographic characteristics of study participants.

From: Anxiety and depression in healthcare workers 2 years after COVID-19 infection and scale validation

Item	Characteristic	Participants (n = 1038)		Long COVID (n = 527)		Non-long COVID (n = 511)
Item	Characteristic	Frequency	Proportion (%)	Frequency	Proportion (%)	Frequency	Proportion (%)
Age	18–29 years	470	45.3	231	43.8	239	46.8
	30–39 years	443	42.7	233	44.2	210	41
	40–49 years	111	10.7	55	10.4	56	11
	≥ 50 years	14	1.3	8	1.5	6	1.2
Sex	Male	137	13.2	67	12.7	70	13.7
Sex	Female	901	86.8	460	87.3	441	86.3
BMI	Less than 24	740	71.3	361	68.5	379	74.2
BMI	Greater than 24	298	28.7	166	31.5	132	25.8
Occupation	Doctor	430	41.4	150	28.5	280	54.8
	Nurse	454	43.7	262	49.7	192	37.6
	Administrative staff	111	10.7	87	16.5	24	4.7
	Student	43	4.2	28	5.3	15	2.9
Income (Annual Household Income, RMB)	Less than 10,000	86	8.3	37	7	49	9.6
	10,000–30,000	89	8.6	43	8.2	46	9
	30,000–80,000	188	18.1	103	19.5	85	16.6
	80,000–150,000	415	40	204	38.7	211	41.3
	150,000–300,000	230	22.2	120	22.8	110	21.5
	300,000–1,000,000	27	2.6	18	3.4	9	1.8
	More than 1,000,000	3	0.3	2	0.4	1	0.2
Education level	High school or below	36	3.5	14	2.7	22	4.3
	Associate degree	154	14.8	61	11.6	93	18.2
	Bachelor’s degree	783	75.5	421	79.9	362	70.8
	Master’s degree	59	5.7	26	4.9	33	6.5
	Doctorate or above	6	0.6	5	0.9	1	0.2
Working years	0–5 Years	362	34.9	154	29.2	208	40.7
	6–10 Years	367	35.4	191	36.2	176	34.4
	11–20 Years	246	23.7	148	28.1	98	19.2
	More than 21 Years	63	6.1	34	6.5	29	5.7
Illness	Hypertension	15	1.4	9	1.7	6	1.2
	Diabetes	2	0.2	1	0.2	1	0.2
	Heart disease	2	0.2	2	0.4	0	0
	Respiratory diseases	24	2.3	19	3.6	5	0.9
	Immune system diseases	16	1.5	10	1.9	6	1.2
	Other diseases	33	3.2	24	4.6	9	1.8
	None	946	91.2	462	87.7	484	94.7
Smoking	Yes	25	2.4	15	2.8	10	2
Smoking	No	1013	97.6	512	97.2	501	98
Drinking	Yes	87	8.4	45	8.5	42	8.2
Drinking	No	951	91.6	482	91.5	469	91.8
Marriage	Single	364	35	173	32.8	191	37.4
	Married	665	64.1	348	66	317	62
	Divorced	9	0.9	6	1.2	3	0.6
	Widowed	0	0	0	0	0	0
Household number	1 Person	57	5.5	34	6.5	23	4.5
	2 People	91	8.8	39	7.4	52	10.2
	3 People	234	22.5	130	24.7	104	20.4
	4 People	336	32.4	166	31.5	170	33.3
	5 People	208	20	108	20.5	100	19.6
	6 or more people	112	10.8	50	9.5	62	12.1

BMI = weight (kg)/height² (m²).

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Table 1 Sociodemographic characteristics of study participants.

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