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. 2020 Nov 19;60(1):1557–1563. doi: 10.1016/j.aej.2020.11.010

Table 1.

The estimated values for true β and its 95% confidence interval. In Eq. (11), the rest of the parameter values are γ=1/25,μ=0.00001 and σ=1/3[4], [5], [7].

Time Period True value of β 95% Confidence Interval
t<14 0.0343 [0.0257, 0.0439]
14⩽t<28 0.0142 [0.0124, 0.0162]
28⩽t<42 0.0106 [0.0099, 0.0114]
42⩽t<56 0.0126 [0.0121, 0.0132]
t⩾56 0.0104 [0.0100, 0.0109]