HIV epidemic in Far-Western Nepal: effect of seasonal labor migration to India

BMC Public Health

Table 2 Model parameters for Far-Western Nepal.

Description	Parameter	Base Value [Low-High]	Source
Demographic Parameters
Total sexually active population	N (0)	638,130	Estimated, Calculated, [28]
Initial compartments
Susceptible	S (0)	419,610	Calculated
HIV infected	I (0)	210	Calculated
Migrants in India	M (0)	218,310	Estimated, Calculated, [11, 12]
Maturation	Λ	15,321 (AS^a)	Data fitting
		13,999 (FM^b)	Data fitting
Death rate (non-HIV)	μ	0.022	Calculated, [31]
Migration rate
To India	α	0.39 (AS)	Data fitting
		0.38 (FM)	Data fitting
From India	λ	0.024 (AS)	Data fitting
		0.028 (FM)	Data fitting
HIV⁺ probability in returned migrants	p	0.022 (AS)	Data fitting
		0.020 (FM)	Data fitting
	HIV Disease Parameters
Transmission rate	β	0.016 (AS)	Data fitting
		0.018 (FM)	Data fitting
HIV/AIDS death rate	δ	0.116 [0.116 - 0.053]	Estimated, Calculated, [2, 17, 19, 32, 33]
	Sexual Behavior Parameters
Annual no. of sex partners	n	1.5 [1–5]	Estimated, [7]
Condom use	c	0.39 [0.12-0.60]	Estimated, Calculated, [6, 7, 9]
HIV transmission probability	θ	0.02 [0.01-0.11]	Estimated, [17, 33, 34]

ISSN: 1471-2458