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Table 2 Comparison of estimates for the level and slope change in each model

From: Go To Travel campaign and the geographic spread of COVID-19 in Japan

 

Model 1

Model 2

Model 3

\({\beta }_{0}\) (intercept)

3.14 (2.00, 4.27)

5.78 (− 4.88, 16.25)

3.18 (2.13, 4.24)

\({\beta }_{1}\) (linear trend)

− 0.047 (− 0.11, 0.014)

− 0.073 (− 0.19, 0.048)

− 0.050 (− 0.099, − 0.0011)

\({\beta }_{2}\) (intercept change following campaign)

− 0.16 (− 1.58, 1.27)

− 0.042 (− 1.56, 1.47)

–

\({\beta }_{3}\) (change in the rate of increase following campaign)

0.24 (0.15, 0.34)

0.25 (0.15, 0.34)

0.24 (0.15, 0.34)

\({\beta }_{4}\) (coefficient for temperature)

–

− 0.092 (− 0.45, 0.28)

–

  1. Numbers in parentheses represent 95% confidence intervals calculated using the bootstrapping method