Table 2

Results of mixed-effects meta-regression model

Effect estimate95% CIp Value
Intercept0.09−0.06 to 0.240.14
National entertainment elite 0.550.37 to 0.720.002**
Foreign or less known entertainer 0.06−0.15 to 0.270.43
Region of study: Asia −0.06−0.20 to 0.080.25
Region of study: Australia −0.28−0.55 to −0.020.04**
Region of study: Europe 0.04−0.10 to 0.180.47
Year of publication 1980–1999§ −0.05−0.13 to 0.030.13
  • Test for residual heterogeneity: QE (df=3)=0.40, p=0.94.

  • **p<0.05.

  • Reference group: mixed sample.

  • Reference group: North America.

  • § Reference group: 2000–2011.