Prevalence of sexually transmitted infections among foreigners living in Guangzhou, China: a cross-sectional study (2010–2017)

Table 1 Demographic characteristics of participants, Guangzhou, 2010–2017

Characteristic	Number %
Total	40,935	100.00
Exam year
2010	4089	9.99
2011	4665	11.40
2012	4464	10.91
2013	5287	12.92
2014	5907	14.43
2015	5461	13.34
2016	5605	13.69
2017	5457	13.33
Region
Africa	5927	14.48
Europe	13,071	31.93
North America	9091	22.21
South America	2269	5.54
Oceania	693	1.69
Asia	9884	24.15
Gender
male	23,309	56.94
female	17,626	43.06
Age group
< 20	6492	15.86
20–29	14,236	34.78
30–39	9804	23.95
40–49	5557	13.58
≥ 50	4846	11.84
Education level
Less than high school	371	0.91
High school	10,620	25.94
Undergraduate	18,791	45.90
Bachelor degree or above	7582	18.52
Unknown	3571	8.72
Occupation
Business	9856	24.08
Designers/science education	4818	11.77
Students	12,102	29.56
Unemployed	2537	6.20
Others	11,622	28.39
STIs
HBV	943	2.30
HCV	173	0.42
HIV	7	0.02
TPPA	246	0.60

ISSN: 1471-2334