The data is available (although anonymized), so you can just run your own analysis.

Here's the mean z-score (and its standard deviation in brackets) aggregated by country, elite status and gender:

  China      elite   male:   0.360 (1.534)
  China      elite female:  -0.338 (1.046)
  China  non-elite   male:  -0.730 (0.623)
  China  non-elite female:  -0.791 (0.514)
  India      elite   male:   0.181 (1.304)
  India      elite female:  -0.538 (0.918)
  India  non-elite   male:  -0.847 (0.599)
  India  non-elite female:  -0.921 (0.459)
  Russia     elite   male:  -0.374 (0.975)
  Russia     elite female:  -0.829 (0.602)
  Russia non-elite   male:  -0.739 (0.594)
  Russia non-elite female:  -0.897 (0.445)
  USA        elite   male:   0.872 (1.006)
  USA        elite female:   0.563 (1.174)
  USA    non-elite   male:   0.146 (0.958)
  USA    non-elite female:  -0.248 (0.818)