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 3 Changes in intermediate condom use outcomes and HIV and STI 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 test)
No reported unprotected sex with commercial clients	66.7	87.4	3.4 (2.6 – 4.6)	3.8 (2.8 – 5.2)	< 0.001
Condom use last sex act occasional clients	92.8	98.1	4.0 (2.3 - 7.0)	5.2 (2.9 - 9.5)	< 0.001
"Every time" condom use with occasional clients	72.5	93.1	5.1 (3.6 - 7.3)	5.5 (3.9 - 7.9)	< 0.001
Condom use last sex act regular client	90.5	96.1	2.5 (1.7 - 3.9)	3.0 (1.9 - 5.0)	< 0.001
"Every time" condom use with regular clients	68.3	89.1	3.8 (2.8 - 5.1)	4.3 (3.1 - 5.9)	< 0.001
Last time condom use with regular partner	25.9	21.7	0.8 (0.5 – 1.2)	0.5 (0.4 - 0.8)	0.004
"Every time" condom use with regular partners	11.5	16.6	1.5 (0.9 – 2.5)	0.9 (0.6 - 1.5)	0.795
HIV prevalence	6.1	6.1	1.0 (0.6 - 1.7)	0.6 (0.4 – 1.0)	0.07
Syphilis infection	9.7	2.2	0.2 (0.1 - 0.3)	0.2 (0.1 - 0.3)	< 0.001
High-titre syphilis	1.1	0.6	0.6 (0.2 - 1.9)	0.6 (0.2 - 1.9)	0.39
Chlamydia infection	2	1.4	0.7 (0.3 - 1.4)	0.7 (0.4 - 1.5)	0.37
Gonorrhoea infection	0.5	0.2	0.3 (0.1 - 1.5)	0.5 (0.1 - 1.9)	0.28

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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