Table 2

Parameter estimates for the association between mobility and COVID-19 infection

Mobility type as independent variable →Model: 2aModel: 2bModel: 2cModel: 2dModel: 2eModel: 2f
Retail and recreationGrocery and pharmacyParksTransit stationsWorkplacesResidences
Parameters ↓Coefficient
(95% CI)
Coefficient
(95% CI)
Coefficient
(95% CI)
Coefficient
(95% CI)
Coefficient
(95% CI)
Coefficient
(95% CI)
Daily new cases—lag 10.43***
(0.29 to 0.56)
0.41***
(0.28 to 0.55)
0.32***
(0.18 to 0.47)
0.39***
(0.25 to 0.53)
0.46***
(0.33 to 0.6)
0.41***
(0.28 to 0.54)
Mobility—lag 107.73**
(0.42 to 15.04)
9.32***
(3.64 to 15)
14.36***
(6.69 to 22.03)
14.3***
(5.4 to 23.19)
0.86
(−3.04 to 4.76)
−35.73***
(−51.57 to −19.89)
Eid_outlier−864.54**
(−1632.87 to −96.22)
−878.81**
(−1618.82 to −138.8)
−906.23***
(−1595.75 to −216.72)
−902.13**
(−1627.45 to −176.81)
−786.9**
(−1569.53 to −4.27)
−845.51**
(−1580.84 to −110.18)
Weekend−160.55***
(−232.53 to −88.56)
−146.2***
(−217.56 to −74.83)
−157.87***
(−224.95 to −90.79)
−152.77***
(−223.61 to −81.94)
−158.79***
(−233.49 to −84.09)
−138.68***
(−210.54 to −66.81)
Free_test_stopped—lag 3−429.38***
(−626.44 to −232.33)
−427.33***
(−617.07 to −237.59)
−492.25***
(−687.36 to −297.15)
−411.19***
(−597.23 to −225.16)
−378.59***
(−563.03 to −194.15)
−406.71***
(−590.18 to −223.23)
Trend 1
(1 April to 31 October 2020)
27.04***
(20.29 to 33.78)
27.17***
(20.52 to 33.82)
33.7***
(26.43 to 40.98)
25.59***
(19.08 to 32.1)
28.1***
(20.05 to 36.15)
25.35***
(18.91 to 31.78)
Trend 2
(3 July to 31 October 2020)
−41.61***
(−51.44 to −31.78)
−42.47***
(−52.16 to −32.78)
−52.14***
(−63.26 to −41.02)
−43.54***
(−53.41 to −33.67)
−39.81***
(−50.38 to −29.23)
−39.86***
(−48.92 to −30.8)
Trend 3
(1–31 October 2020)
14.85***
(8.62 to 21.07)
13.93***
(8.09 to 19.77)
22.03***
(15.05 to 29.02)
13.26***
(7.49 to 19.02)
12.54***
(6.55 to 18.53)
15.71***
(10.08 to 21.33)
Intercept−275.92
(−890.78 to 338.94)
−362.19*
(−748.47 to 24.09)
−591.9***
(−901.98 to −281.83)
228.75
(−469.65 to 927.16)
−846.68***
(−1297.46 to −395.91)
87.97
(−374.79 to 550.73)
Model statistics
 Observations204204204204204204
 Adjusted R20.93620.93800.94090.93920.93450.9395
 AIC2840.652834.932825.232831.092846.082829.82
 Mean Absolute Percentage Error-MAPE (%)14.013.314.212.515.413.7
 Augmented Dickey-Fuller test statistic (p value)−4.87
(<0.001)
−6.16
(<0.001)
−5.54
(<0.001)
−6.29
(<0.001)
−6.19
(<0.001)
−3.6
(0.03)
  • 95% CIs of coefficients are shown in the parenthesis.

  • Dependent variable: daily new cases in Bangladesh.

  • *Statistically significant at 90% confidence; **statistically significant at 95% confidence; ***statistically significant at 99% confidence.