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Table 1 Baseline demographic and behavioural characteristics of 556 FSWs a in Shanghai, 2009

From: Impact evaluation of a community-based intervention to reduce risky sexual behaviour among female sex workers in Shanghai, China

  

Intervention, n (%)

Control, n (%)

(n = 278)

(n = 278)

Age (years)

Mean (IQR)

27.8 (22–33)

27.7 (21–33)

16-19

24 (8.6)

25 (9.0)

20-24

78 (28.1)

98 (35.3)

25-29

80 (28.8)

43 (15.5)

30-34

45 (16.2)

59 (21.2)

35-39

32 (11.5)

33 (11.9)

40+

19 (6.8)

20 (7.2)

Ethnicity

Han

265 (95.3)

266 (96.7)

Other

13 (4.7)

9 (3.3)

Education (years)

Mean (IQR)

8.0 (6–9)

8.2 (6–9)

None

5 (1.8)

6 (2.2)

Elementary

65 (23.4)

71 (25.5)

Junior high

157 (56.5)

145 (52.2)

High school

48 (17.3)

51 (18.3)

College or above

3 (1.1)

5 (1.8)

Marital status

Single, never married

66 (23.9)

80 (28.8)

Cohabiting

42 (15.2)

45 (16.2)

Married/remarried

138 (50.0)

123 (44.2)

Separated/divorced/widowed

30 (10.9)

30 (10.8)

Annual income (USDb)

Mean (IQR)

7280 (4800–8640)

7600 (4800–8640)

$0 - $3839

65 (23.6)

62 (22.9)

$3840 - $5759

75 (27.3)

88 (32.5)

$5760 - $7679

46 (16.7)

41 (15.1)

$7680 - $9599

37 (13.5)

17 (6.3)

$9600 - $19199

36 (13.1)

41 (15.1)

$19200 or more

16 (5.8)

22 (8.1)

Length in Shanghai (months)

Mean (IQR)

34.6 (7–56)

38.0 (10–55)

Duration of sex work (months)

Mean (IQR)

20.9 (6–24)

16.6 (6–24)

Number of clients per week

Mean (IQR)

9.3 (3–14)

7.3 (3–9)

Venue typec

KTV/night club/spa

83 (29.9)

59 (21.2)

Barbershop

116 (41.7)

102 (36.7)

Foot massage

66 (23.7)

101 (36.3)

Otherd

13 (4.7)

16 (5.8)

  1. aRandomly selected 57 participants who were lost to follow-up in the intervention arm were added to equalize the sample sizes in the two arms.
  2. b1 USD = ~6.25 Chinese yuan.
  3. cp =0.0056.
  4. dIncludes beauty salon, bath house, and other small venues.