Table 1 Association between the explanatory variables and aggressive behaviour in the logistic regression model.

From: Aggressive behaviour is affected by demographic, environmental and behavioural factors in purebred dogs

Explanatory variable

DF

χ2

P-value

Intercept

1

89.547

< 0.0001

Age

1

4.575

0.0324

Sex

1

90.498

< 0.0001

Fearfulness

2

596.059

< 0.0001

Breed

22

102.448

< 0.0001

Dogs in the family

1

10.871

0.0001

Body size

2

23.206

< 0.0001

Owner’s dog experience

1

8.213

0.0042

  1. All were a priori contrasts. Significant (P < 0.05) associations are emboldened. N = 9270.
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