Table 5

The moderation effect of the economic level

SubgroupsPE-BIEE-BISI-BI
Developed
No. of occurrences544
Total sample size1,6611,2671,392
ES0.4830.4090.330
p-value<0.0010.0110.031
Developing
No. of occurrences403940
Total sample size10,68910,34510,749
ES0.2690.2300.234
p-value<0.001<0.001<0.001
Heterogeneity
Q-statistic4.4891.5550.777
p (heterogeneity)0.0340.2120.378
Source(s): Authors’ own work

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