Table 1. Demographic characteristics of the establishment- and street-based female commercial sex workers.

Characteristics	EPP (95% CI) (%)		SPP		χ2
	Establishment-based FSWs (N = 241)	Street-based FSWs (N = 77)	Establishment-based FSWs (N = 241)	Street-based FSWs (N = 77)
Age group
18–29 years	67.9 (57.7–78.0)	67.6 (47.2–84.3)	71.8	70.1	0.078
30–48 years	32.1 (22.0–42.3)	32.4 (15.7–52.8)	28.2	29.9
Ethnicity
Han ethnicity	97.3 (95.0–99.1)	96.4 (91.9–99.6)	97.1	94.8	0.917
Minorities	2.7 (0.9–5.0)	3.6 (0.4–8.1)	2.9	5.2
Education*
Illiterate	4.3 (1.3–7.3)	8.3 (0.0–18.1)	2.5	5.2	10.438
Primary school (1–6 years)	34.0 (27.0–42.3)	40.2 (27.5–57.6)	26.3	29.9
Middle school (7–9 years)	51.2 (42.5–60.0)	50.0 (32.0–64.6)	57.5	63.6
High school (10–12 years)	9.9 (5.4–14.3)	1.5 (0.0–5.6)	12.5	1.3
Higher (over 12 years)	0.5 (0.0–1.4)	0.0 (0.0–0.0)	1.3	0.0
Registered residency
Guangdong	8.6 (3.2–15.1)	2.9 (0.0–8.6)	7.9	3.9	1.441
Not Guangdong	91.4 (84.9–96.8)	97.1 (91.4–100.0)	92.1	96.1
Marital status
Ever married	59.1 (50.1–67.4)	60.3 (44.7–77.7)	52.5	48.1	0.462
Never married	40.9 (32.6–49.9)	39.7 (22.3–55.3)	47.5	51.9
Cohabitation
Living with partner	41.1 (32.6–49.0)	33.7 (24.2–44.8)	42.9	40.3	0.168
Not living with partner	58.9 (51.0–67.4)	67.3 (55.2–75.8)	57.1	59.7
Supporting family**
Supporting family	82.6 (77.2–87.7)	93.2 (86.5–99.0)	82.6	93.5	5.539
Not supporting family	17.4 (12.3–22.8)	6.8 (1.0–13.5)	17.4	6.5
Sources of income other than commercial sex
Other sources of income	54.5 (46.3–62.5)	51.1 (34.4–66.8)	46.4	45.5	0.023
No other source	45.5 (37.5–53.7)	48.9 (33.2–65.6)	53.6	54.5

EPP estimated population proportion, SPP sample population proportion

^*P = 0.03;

^**P = 0.02