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. 2012 Feb 8;7(2):e31382. doi: 10.1371/journal.pone.0031382

Table 4. Logistic regression coefficients of independent variables, showing the probability that the observed values were significantly different from a random expectation (n = 58 elephants).

Independent variables Observed coefficient Mean ± Standard Error of expected coefficient Probability value
Intercept −5.232 −0.506±0.029 0.001
Age of focal male 0.141 −0.001±0.001 0.002
Relative age of closest associate 0.053 −0.031±0.002 0.224
Relative age of second closest associate 0.013 −0.027±0.001 0.267
Raiding status of closest associate 2.550 −0.104±0.018 0.004
Raiding status of second closest associate 0.033 −0.117±0.017 0.379
Interaction between raiding status and relative age of top associate −0.029 0.000±0.002 0.367
Interaction between raiding status and relative age of second associate 0.188 −0.003±0.001 0.009