Table 4 Factors correlated with HIV self-testing among Chinese female sex workers, 2019

Number of clients served in the past month, median (IQR)

20 (10–60)

1.000 (0.997–1.002)

0.999 (0.996–1.003)

Number of clients served in the past month

 ≤ 30

65 (63.1)

ref

ref

 31–60

15 (14.6)

0.8 (0.5–1.5)

0.7 (0.4–1.4)

 61–90

6 (5.8)

0.7 (0.3–1.7)

0.6 (0.2–1.6)

 > 90

17 (16.5)

1.3 (0.7–2.3)

1.3 (0.6–2.4)

Consistently used condom when engaged in commercial vaginal sex in past month

 Yes

39 (37.9)

0.8 (0.5–1.2)

0.9 (0.6–1.4)

 No

64 (62.1)

ref

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Provided oral sex in the past month

 Yes

68 (66.0)

1.4 (0.9–2.2)

1.4 (0.9–2.4)

 No

35 (34.0)

ref

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Consistently used condom when engaged in commercial oral sex in past month

 Yes

12 (17.6)

1.14 (0.6–2.2)

1.1 (0.5–2.2)

 No

56 (82.4)

ref

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Provided anal sex in the past month

 Yes

32 (31.1)

2.1 (1.3–3.2)**

2.2 (1.4–3.5)*

 No

71 (68.9)

ref

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Consistently used condom when engaged in commercial anal sex in past month

 Yes

13 (40.6)

0.9 (0.4–2.0)

0.9 (0.4–2.2)

 No

19 (59.4)

ref

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Used drugs before or during sex

 Yes

37 (35.9)

2.2 (1.4–3.4)***

2.8 (1.8–4.5)***

 No

66 (64.1)

ref

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Injected drugs in the past 6 months

 Yes

8 (7.8)

2.0 (0.9–4.3)

2.6 (1.2–6.0)*

 No

95 (92.2)

ref

ref

Received any kind of HIV/STD-related services in the last year

 Yes

101 (98.1)

2.4 (0.6–9.8)

2.3 (0.6–9.8)

 No

2 (1.9)

ref

ref

Bulk purchased condoms

 Yes

64 (62.1)

1.1 (0.7–1.7)

1.2 (0.7–1.8)

 No

39 (37.9)

ref

ref

Tested for other STIs in the past 6 months

 Yes

77 (74.8)

3.2 (2.0–5.1)***

3.4 (2.1–5.5)***

 No

26 (25.2)

ref

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Diagnosed with other STIs

 Yes

38 (36.9)

1.4 (0.9–2.1)

1.6 (1.0–2.5)*

 No

65 (63.1)

ref

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Ever tested in the hospital

 Yes

82 (79.6)

2.7 (1.8–4.0)***

3.4 (2.0–5.6)***

 No

21 (20.4)

ref

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Ever tested in the community

 Yes

65 (63.1)

1.5 (1.2–1.9)***

1.5 (1.2–1.9)**

 No

38 (36.9)

ref

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