Table 2.

Description of variables and parameters of the HIV/AIDS model (1)

Parameter	Description	Value	Ref
β	Probability of susceptible non-productive contact with infectives	0.344	[12]
μ	Natural mortality unrelated to HIV/AIDS	0.02	[12]
ψ	AIDS-related death	1	[12]
ρ	Modification parameter due to productivity mindset	0.02	[12]
δ	Rate of progression into AIDS	0.1	[12]
σ	Proportion of infected non-productive workers on the HAART treatment	0.002	Assumed
π	Proportion of susceptible non-productive workers recruited	0.002	Assumed
α	Proportion of educated susceptible non-productive workers	0.034	Assumed
η	Modification parameter on infected productive class contact rate	0.4	Assumed
b1	Cost per blood unit screened	$15.30	[27]
b2	Cost per person educated	$12.01, 47.13	[26, 27]
b3	Cost per unit condom	$1.09	[27]
b4	Cost of drug per person reached	$964.83	[27]