Table 1.

Demographic characteristics of included individuals.

	Recent infection	Long-term infection	P
	(217)	(4,979)
Gender
Male	92 (42.4%)	2,864 (57.5%)	<0.001
Female	125 (57.6%)	2,115 (42.5%)
Age
1.5–14	15 (6.9%)	743 (14.9%)	0.006
15–29	69 (31.8%)	1,452 (29.2%)
30–44	103 (47.5%)	2,158 (43.3%)
≥45	30 (13.8%)	626 (12.6%)
Marital status
Single	56 (25.8%)	1,427 (28.7%)	0.318
Married	135 (62.2%)	3,088 (62.0%)
Divorced/widowed	23 (10.6%)	429 (8.6%)
Unknown	3 (1.4%)	35 (0.7%)
Educational attainment
No schooling	143 (65.9%)	3,571 (71.7%)	0.158
Primary school	66 (30.4%)	1,241 (24.9%)
Middle school and above	8 (3.7%)	167 (3.4%)
Transmission routes
Heterosexual contact	166 (76.5%)	2,913 (58.5%)	<0.001
Intravenous drug injection	36 (16.6%)	1,207 (24.2%)
Others	15 (6.9%)	859 (17.3%)