Table 5.
Model 3: dynamic regression model predicting the Gini index with ARIMAa error term (1, 0, 2).
Measures | Gini index | P value | ||||
Predictors of the Gini index, estimate of effect (95% CI) | ||||||
|
Intercept | 23.90 (23.60 to 24.20) | <.001 | |||
|
Statutory holidays (1 for holidays, 0 for nonholidays) | 0.44 (0.08 to 0.81) | .02 | |||
|
Business closure | 0.11 (0.05 to 0.17) | <.001 | |||
|
Regional differences in lockdown | |||||
|
|
Regions are in the same stage of lockdown | Reference group | N/Ab | ||
|
|
Regions are in different stages of lockdown | –0.738 (–1.19 to –0.28) | .001 | ||
|
|
Regions are not under lockdown | 0.16 (–0.89 to 1.22) | .77 | ||
|
New COVID-19 case counts in Canada, excluding Ontario (in hundreds of cases) | –0.01 (–0.04 to 0.01) | .31 | |||
|
New COVID-19 case counts (in hundreds of cases) | 0.00 (–0.07 to 0.07) | .99 | |||
|
Regions are in different stages of lockdown × new cases | 0.11 (0.01 to 0.21) | .02 | |||
|
Regions are not under lockdown × new cases | –1.98 (–5.06 to 1.10) | .21 | |||
Goodness of fit | ||||||
|
With covariates, AICc | 461.82 | N/A | |||
|
Without covariates, AIC | 573.98 | N/A |
aARIMA: autoregressive integrated moving average.
bN/A: not applicable.
cAIC: Akaike information criterion.