Table 2 Univariate and multivariate logistic regression of socio-demographic factors for HIV testing in the preceding year among Sino-Vietnam border female sex workers, 2016–2018 (n = 5201)
Variables | Total tested | Cross-border migrant Vietnamese FSWs | Chinese local FSWs | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Tested | COR (95% CI) | p | AOR (95% CI) | p | Tested | COR (95% CI) | p | AOR (95% CI) | p | ||
Age | |||||||||||
 ≥ 35 years old | 1230 (44.23) | 164 (39.71) | 1 |  | 1 |  | 1066 (42.78) | 1 |  | 1 |  |
 < 35 years old | 1551 (55.77) | 125 (56.05) | 1.94 (1.39–2.69) |  < 0.001 | 1.93 (1.20–3.10) | 0.01 | 1426 (68.79) | 2.95 (2.61–3.33) |  < 0.001 | 1.89 (1.60–2.24) |  < 0.001 |
Ethnicity | |||||||||||
 Han | 958 (34.45) | – | – | – | – | – | 958 (53.94) | 0.85 (0.68–1.06) | 0.15 | – | – |
 Zhuang | 1307 (47.00) | – | – | – | – | – | 1305 (54.51) | 0.87 (0.70–1.08) | 0.20 | – | – |
 Other | 516 (18.55) | – | – | – | – | – | 229 (57.97) | 1 |  |  |  |
Marital status | |||||||||||
 Married, cohabiting | 2069 (74.40) | 217 (50.35) | 1.87 (1.33–2.64) |  < 0.001 | 1.34 (0.84–2.13) | 0.22 | 1852 (59.88) | 1.94 (1.71–2.20) |  < 0.001 | 0.94 (0.80–1.11) | 0.46 |
 Single | 712 (25.60) | 72 (35.12) | 1 |  | 1 |  | 640 (43.48) | 1 |  | 1 |  |
Education | |||||||||||
 ≥ 9 years | 1705 (61.30) | 209 (78.28) | 3.05 (2.19–4.26) |  < 0.001 | 1.75 (1.09–2.82) | 0.02 | 1496 (88.89) | 0.74 (0.66–0.84) |  < 0.001 | 1.13 (0.96–1.33) | 0.13 |
 < 9 years | 1076 (38.70) | 80 (21.68) | 1 |  | 1 |  | 996 (34.56) | 1 |  | 1 |  |
Location | |||||||||||
 Chongzuo | 2358 (84.79) | 238 (61.66) | 6.28 (4.34–9.08) |  < 0.001 | 3.23 (1.70–6.11) |  < 0.001 | 2120 (65.01) | 4.66 (4.05–5.36) |  < 0.001 | 3.67 (3.07–4.38) |  < 0.001 |
 Fangchenggang | 423 (15.21) | 59 (0.24) | 1 |  | 1 |  | 372 (28.53) | 1 |  | 1 |  |