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Table 4 The interaction models between geographic range size and other four important variables (body size, clutch size, hunting vulnerability and human population density)

From: Correlates of extinction risk in Chinese endemic birds

  Coefficient SE t value p
Range size × hunting vulnerability 0.0813 0.0278 2.922 0.0046
Range size × human population density 0.0005 0.0001 3.562 0.0007
Range size × body size − 0.1343 0.0457 − 2.936 0.0045
Range size × clutch size − 0.0375 0.0119 − 3.144 0.0024