Table 1

Socio-demographic and behavioural characteristics of female sex workers (FSWs) in Liuzhou recruited by respondent-driven sampling (RDS) and Priorities for Local AIDS Control Efforts (PLACE)

	RDS-II	PLACE
	%	%	p Value
Total	576	161
Age			0.002
15–19	11.4	16.9
20–24	31.4	34.7
25–29	20.2	29.1
30–34	19.5	7.8
35–39	10.7	5.4
40+	6.8	6.1
Residence			<0.0001
In the urban district with RDS office	46.2	9.0
In one of the three other urban districts	51.3	41.2
In one of the six Liuzhou counties	2.5	49.7
Other socio-demographic characteristics
Never married	62.2	60.9	0.76
Separated, divorced or widowed	24.0	6.7	<0.0001
Less than a junior high education	25.3	32.6	0.06
Mean monthly income in renminbi	4888	1994	<0.0001
Aged less than 15 at first sex	2.1	7.3	<0.001
Ever arrested	10.6	27.6	<0.0001
Drinks alcohol weekly or more	36.6	27.9	0.04
Ever injected drugs	2.0	0.1	0.04
Sexual behaviour and previous testing
More than 10 partners in past 4 weeks	55.7	58.9	0.11
Used condom at last sex	71.5	81.5	0.01
Solicited past year in:
Urban districts	99.4	56.7	<0.0001
Liuzhou counties	3.9	61.4	<0.0001
Outside Liuzhou	12.2	31.1	<0.0001
Type of venue where solicited in past 6 months
Outdoors	4.1	6.5	0.21
Phone/internet	31.6	5.7	<0.0001
Karaoke TV or karaoke	22.4	23.4	0.7882
Hair salon	12.6	57.2	<0.0001
Massage	33.9	40.8	<0.0001
Has been tested for HIV and knows results	28.9	46.5	<0.0001
Was tested for syphilis in past year	7.6	35.2	<0.0001

The seven RDS seeds were excluded from RDS-II estimates. The 47 RDS FSWs who participated in the survey but refused the rapid syphilis test were included in this table. The 161 sex workers are a subset of the 680 workers recruited through PLACE.