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. 2017 Apr 17;12(4):e0174711. doi: 10.1371/journal.pone.0174711

Table 7. Regression equation model to explore the effect of biological and environmental factors on the intensity of stereotype and FCM level among tigers and leopards at six Indian zoos.

Species Factors Un-standardized Coefficients Std. Coefficients t Sig. F p R2
B Std. Error Beta
Tiger Stereotype (Constant) -9.24 4.533   -2.038 0.04 22.51 0.000 0.45
Enclosure size -13.411 2.733 -0.385 -4.907 0.00
Sociality -5.787 2.783 -0.159 -2.08 0.04
Keeper neutral 13.852 2.597 0.397 5.334 0.00
Keeper negative 15.397 6.322 0.183 2.436 0.02
Leopard Stereotype (Constant) 19.243 2.978   6.461 0.000 13.31 0.000 0.61
Age -0.651 0.214 -0.354 -3.045 0.004
Tree cover -10.107 2.844 -0.413 -3.554 0.001
Tiger FCM (Constant) 36.214 2.567   14.108 0.000 16.11 0.000 0.46
Health problem low -15.007 3.476 -0.64 -4.318 0.000
Health problem high -17.312 3.119 -0.823 -5.551 0.000
Leopard FCM (Constant) 37.4 2.519   14.848 0.000 19.09 0.000 0.52
Keeper positive -11.938 2.732 -0.717 -4.37 0.000