Table 1 Parameters of the full binomial multiple logistic regression algorithm.

From: Simplified assessment of castration-induced pain in pigs using lower complexity algorithms

Parameters

Estimate

Standard error

p-value

Linear coefficient (α)

 − 3.928

0.711

 < 0.001

Slope coefficients (β)

 Posture 1

3.189

2.369

0.178

 Posture 2

22.926

4712.514

0.996

 Posture 3

8.423

11,217.260

0.999

 Interaction 1

1.498

1.178

0.203

 Interaction 2

8.004

5.648

0.156

 Interaction 3

12.918

13,083.750

0.999

 Activity 1

1.218

1.144

0.286

 Activity 2

 − 2.614

5.541

0.637

 Activity 3

 − 0.633

4.939

0.897

 Lift pelvic limb

 − 0.995

4.282

0.816

 Scratching rubbing

 − 4.571

4.953

0.356

 Walk away run

15.147

4682.143

0.997

Sit with difficulty

0.167

2.216

0.939

Wags tail

5.768

1.272

 < 0.001

 Bite grill

1.717

1.0187

0.092

 Head down

21.683

4119.689

0.996

 Difficulty overcoming

0.118

5.004

0.981

  1. Pain-free (before castration) or painful (after castration) condition was used as a predictive variable and dummy of each pain-altered behavior of the Unesp-Botucatu Pig Composite Pain Scale as predictor variables.
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