TABLE 4.

Odd Ratios From Multiple Logistic Regression Analysis Showing Predictor Factors for Consistent Condom Use and STI Among a Group of Female Sex Workers in China

	Consistent Condom Use (n = 428)				STI (n = 384)*
	Model 1		Model 2		Model 3		Model 4
Characteristics	aOR	95% CI	aOR	95% CI	aOR	95% CI	aOR	95% CI
Age (yr)	1.01	0.93–1.10	1.00	0.91–1.10	0.99	0.93–1.06	1.02	0.95–1.10
Ethnicity
Han	1.00		1.00		1.00		1.00
Non-Han (Zhuang, etc.)	0.37	0.19–0.72	0.35	0.18–0.71	0.88	0.55–1.40	0.79	0.49–1.27
Education
Primary school or below	1.00		1.00		1.00		1.00
High school	1.03	0.59–1.80	0.82	0.44–1.52	0.65	0.41–1.01	0.73	0.46–1.16
Hometown
Rural	1.00		1.00		1.00		1.00
Urban (county seat, city)	1.74	0.95–3.22	1.33	0.68–2.59	1.81	1.08–3.04	1.92	1.11–3.30
Marital status
Single	1.00		1.00		1.00		1.00
Married	0.79	0.34–1.86	0.93	0.37–2.34	0.62	0.32–1.22	0.62	0.31–1.24
Living arrangement
Alone	1.00		1.00		1.00		1.00
With other FSWs	0.94	0.44–2.02	1.01	0.45–2.28	1.18	0.65–2.15	1.00	0.54–1.85
With family members or relatives	1.49	0.57–3.95	1.40	0.49–4.00	1.00	0.45–2.25	0.96	0.42–2.20
Age at first sexual intercourse (yr)			1.07	0.91–1.26			0.91	0.80–1.04
Duration of sex work (mo)			0.96	0.93–1.00			0.98	0.96–1.00
No. FSWs at the establishment				n/e			0.99	0.97–1.01
Misconception of HIV transmission			0.81	0.69–0.95				n/e
Condom use self-efficacy			1.66	1.28–2.17			0.86	0.73–1.01
Perceived benefit of unprotected sex			0.72	0.58–0.89				n/e
Perceived establishment-level support			1.14	0.90–1.45				n/e
Drinking alcohol before having sex
No	1.00		1.00		1.00		1.00
Yes	0.48	0.24–0.97	0.76	0.36–1.61	1.63	1.04–2.56	1.64	1.02–2.63

^*410 female sex workers provided blood sample for STI testing.

n/e indicates not entered in the model; aOR, adjusted odd ratio; CI, confidence interval.