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Table 3 The values with \(\beta =0.2, 0.4, 0.6, 0.8, 1, 1.2\)

From: Extinction and persistence of a stochastic SICA epidemic model with standard incidence rate for HIV transmission

β 0.2 0.4 0.6 0.8 1 1.2
\(R_{1}\) 0.104 0.417 0.937 1.667 2.604 3.75
\(R_{2}\) 0.323 0.645 0.968 1.290 1.613 1.935
\(\sigma ^{2}-\beta \) 0.44 0.24 0.04 −0.16 −0.36 −0.56
\(R_{3}\) 0.253 0.506 0.759 1.013 1.266 1.519