Assessment of the scale, coverage and outcomes of the Avahan HIV prevention program for female sex workers in Tamil Nadu, India: is there evidence of an effect?

Table 4 District-level HIV and syphilis prevalence among FSWs in Tamil Nadu

	IBBA R1 N=2032	IBBA R2 N=2006	Crude OR (95% CI)	Adjusted OR (95% CI)	P value (wald chi-square test)
HIV prevalence
Chennai	2.2	2.4	1.1 (.33 - 3.5)	1.9 (.52-7.5)	0.31
Coimbatore	6.3	6.3	1.0 (.43 - 2.3)	1.2 (.54-2.8)	0.62
Dharmapuri-Krishnagiri	12.4	8.8	0.68 (0.33 –1.4)	0.42 (0.18 -0.95)	<0.05
Madurai	4.3	8.3	2.0 (0.75 - 5.5)	1.8 (0.68-4.8)	0.23
Salem	12.5	6.7	0.50 (0.25 - 1.0)	0.78 (0.38-1.6)	0.52
Syphilis prevalence
Chennai	11.3	0.82	0.06 (.02 - 0.19)	0.05 (.01-.19)	<0.001
Coimbatore	11.9	0.37	0.03 (.01 -. 09)	0.03 (.01-.13)	<0.001
Dharmapuri-Krishnagiri	10.7	4.2	0.37 (0.17 -0.81)	0.31 (0.11 –0.85)	<0.05
Madurai	11.1	2.4	0.19 (0.06 - 0.66)	0.11 (0.02-0.47)	<0.01
Salem	7.5	3.1	0.39 (0.15 - 1.0)	0.38 (0.11-1.2)	0.12

Multivariate models were adjusted for the following variables: district, typology, age, literacy, marital status, additional income, sex work for less than 2 years in city and duration in sex work

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