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. 2023 Feb 24;108:102380. doi: 10.1016/j.jairtraman.2023.102380
Pre-COVID-19 mean α1 Immediate effect Long-term effect
South Africa
 Domestic 9.4 0.82* 01.07* 5.9
 International 8.93 0.79* 02.14* 10.2
Nigeria
 Domestic 8.01 0.66* 0.62* 1.8
 International 7.47 0.78* 1.9* 8.6
Kenya
 Domestic 7.98 0.50* 0.69* 1.4
 International 8.35 0.80* 2.27* 11.4
Ghana
 Domestic 6.4 0.65* 0.53* 1.5
 International 7.3 0.78* 2.06* 9.4
Mauritius
 Domestic 5.4 0.68* 1.48* 4.6
 International 7.3 0.82* 1.79* 10.1
Rwanda
 Domestic 4.01 0.72* 1.04* 3.7
 International 7.2 0.81* 1.6* 8.4
Tanzania
 Domestic 7.9 0.76* 0.306* 1.28
 International 7.5 0.85* 1.28* 8.53
Morocco
 Domestic 7.08 0.77* 1.61* 7.00
 International 8.9 0.66* 2.3* 6.76
Egypt
 Domestic 7.6 0.76* 1.59* 6.63
 International 8.8 0.67* 2.08* 6.30

Notes: * statistically significant at the 1% level; ** statistically significant at the 5% level.