Table 1.

Socio–demographic characteristics of 3,580 FSWs in a multi–center cross–sectional and venue–based study in Jiangsu, China.

Variables	Number	Percentage (%)
Age (Mean, Range)	35.0 (16.0–65.0)
<25	487	13.6
25–34	1408	39.3
≥35	1685	47.1
Education level
Secondary education or below	2503	69.9
High school and above	1077	30.1
Marital status
Single	988	27.6
Currently married	2592	72.4
Migrant
Yes	1557	43.5
No	2023	56.5
Monthly income (CNY)
<5000	1848	51.6
5000–7999	931	26.0
≥8000	801	22.4
Recruitment tier
Low	985	27.5
Middle	1866	52.1
High	729	20.4