Table 3 Results for the analysis of factor scores using generalized linear models.

From: Comparison of owner-reported behavioral characteristics among genetically clustered breeds of dog (Canis familiaris).

 

F1: Aggression to unfamiliar persons

F2: Fear of unfamiliar persons

F3: Trainability

χ2

df

p

Pairwise comparison

B5)

χ2

df

p

Pairwise comparison

B

χ2

df

p

Pairwise comparison

B

Breed groups1)

50.570

7

0.000

1 > 7, 2 > 6, 2 > 7, 2 > 8, 3 > 7, 3 > 8, 5 > 7, 6 > 7

 

126.652

7

0.000

1 > 4, 2 > 4, 3 > 4, 5 > 4, 6 > 4, 7 > 4, 8 > 4

 

51.531

7

0.000

6 > 1, 6 > 2, 6 > 3, 6 > 5, 6 > 7, 6 > 8

 

Country

1.015

1

0.314

  

70.010

1

0.000

US > JPN

 

14.488

1

0.000

US > JPN

 

Sex

1.683

1

0.195

  

69.123

1

0.000

F > M

 

0.749

1

0.387

  

Neutered status2)

0.658

1

0.417

  

0.468

1

0.494

  

3.771

1

0.052

  

Source where aquired3)

24.100

6

0.001

2 > 3, 5 > 3

 

1.940

6

0.925

  

31.588

6

0.000

3 > 4, 7 > 4

 

Dog-ownership experience4)

1.361

1

0.243

  

0.006

1

0.939

  

15.057

1

0.000

2 > 1

 

Body weight

0.571

1

0.450

  

14.518

1

0.000

 

−0.029

3.725

1

0.054

  

Dog’s age at evaluation

0.000

1

0.996

  

0.627

1

0.429

  

22.534

1

0.000

 

0.024

Dog’s age when acquired

14.696

1

0.000

 

−0.003

3.223

1

0.073

  

5.055

1

0.025

 

0.000

Breed groups*Country

61.631

15

0.000

  

139.576

15

0.000

  

89.920

15

0.000

  

Breed groups*Sex

63.198

15

0.000

  

127.814

15

0.000

  

59.386

15

0.000

  

Country*Sex

12.030

3

0.007

  

85.804

3

0.000

  

15.663

3

0.001

  

Breed groups*Country*Sex

31

0.000

   

141.411

31

0.000

  

104.545

31

0.000

  

Omnibus

189.444

42

0.000

  

145.060

42

0.000

  

248.373

42

0.000

  
 

F4: Separation-related anxiety

F5: Energy and restless

F6: Fear of non-social stimuli

 

χ2

df

p

Pairwise comparison

B

χ2

df

p

Pairwise comparison

B

χ2

df

p

Pairwise comparison

B

Breed groups1)

13.498

7

0.061

  

44.844

7

0.000

1 > 4, 2 > 4, 3 > 4, 5 > 4, 6 > 4, 7 > 4, 6 > 3, 6 > 8

 

44.844

7

0.000

1 > 4, 2 > 4, 3 > 4, 6 > 3, 5 > 4, 6 > 4, 7 > 4, 6 > 8

 

Country

31.078

1

0.000

US > JPN

 

5.077

1

0.024

JPN > US

 

5.077

1

0.024

JPN > US

 

Sex

0.000

1

0.996

  

0.161

1

0.688

  

0.161

1

0.688

  

Neutered status2)

4.368

1

0.037

I > N

 

5.631

1

0.018

N > I

 

5.631

1

0.018

N > I

 

Source where aquired3)

12.795

6

0.046

  

10.706

6

0.098

  

10.706

6

0.098

  

Dog-ownership experience4)

10.161

1

0.001

1 > 2

 

2.130

1

0.144

  

2.130

1

0.144

  

Body weight

4.925

1

0.026

 

−0.012

7.906

1

0.005

 

−0.012

7.906

1

0.005

 

−0.012

Dog’s age at evaluation

5.444

1

0.020

 

−0.039

2.154

1

0.142

  

2.154

1

0.142

  

Dog’s age when acquired

1.083

1

0.298

  

4.155

1

0.042

 

0.001

4.155

1

0.042

 

0.001

Breed groups*Country

96.176

15

0.000

  

52.434

15

0.000

  

52.434

15

0.000

  

Breed groups*Sex

20.717

15

0.146

  

47.984

15

0.000

  

47.984

15

0.000

  

Country*Sex

31.078

3

0.000

  

5.752

3

0.124

  

5.752

3

0.124

  

Breed groups*Country*Sex

106.105

31

0.000

  

65.671

31

0.000

  

65.671

31

0.000

  

Omnibus

237.075

42

0.000

  

148.076

42

0.000

  

148.076

42

0.000

  
 

F7: Aggression to household members

F8: Fear of unfamiliar dogs

F9: Aggression to unfamiliar dogs

 

χ2

df

p

Pairwise comparison

B

χ2

df

p

Pairwise comparison

B

χ2

df

p

Pairwise comparison

B

Breed groups1)

84.719

7

0.000

1 > 4, 2 > 4, 2 > 6, 2 > 7, 3 > 4, 3 > 6, 5 > 4, 6 > 4, 7 > 4, 8 > 4

 

141.880

7

0.000

1 > 4, 2 > 4, 3 > 4, 5 > 4, 6 > 4, 7 > 4, 8 > 4

 

26.211

7

0.000

1 > 7, 2 > 7, 5 > 7, 6 > 7

 

Country

0.000

1

1.000

  

80.139

1

0.000

US > JPN

 

2.747

1

0.097

  

Sex

0.000

1

1.000

  

78.662

1

0.000

F > M

 

5.105

1

0.024

M > F

 

Neutered status2)

0.000

1

1.000

  

2.798

1

0.094

  

0.509

1

0.476

  

Source where aquired3)

0.000

6

1.000

  

11.911

6

0.064

  

11.427

6

0.076

  

Dog-ownership experience4)

0.000

1

1.000

  

1.017

1

0.313

  

0.780

1

0.377

  

Body weight

0.023

1

0.881

  

5.361

1

0.021

 

−0.017

1.718

1

0.190

  

Dog’s age at evaluation

0.000

1

0.986

  

1.257

1

0.262

  

16.415

1

0.000

 

0.069

Dog’s age when acquired

2.897

1

0.089

  

0.008

1

0.929

  

2.756

1

0.097

  

Breed groups*Country

89.609

14

0.000

  

153.605

15

0.000

  

36.747

15

0.001

  

Breed groups*Sex

85.619

14

0.000

  

142.858

15

0.000

  

38.165

15

0.001

  

Country*Sex

20.113

3

0.000

  

98.852

3

0.000

  

9.449

3

0.024

  

Breed groups*Country*Sex

91.284

29

0.000

  

155.422

31

0.000

  

52.726

31

0.009

  

Omnibus

266.838

42

0.000

  

111.849

42

0.000

  

104.112

42

0.000

  
 

F11: Attachment and attention-seeking

F12: Aggression to persons passing near the house

     
 

χ2

df

p

Pairwise comparison

B

χ2

df

p

Pairwise comparison

B

     

Breed groups1)

82.116

7

0.000

2 > 1, 3 > 1, 4 > 1, 5 > 1, 6 > 1, 7 > 1, 8 > 1

 

19.286

7

0.007

2 > 8

      

Country

136.912

1

0.000

US > JPN

 

3.724

1

0.054

       

Sex

3.030

1

0.082

  

0.984

1

0.321

       

Neutered status2)

1.019

1

0.313

  

0.543

1

0.461

       

Source where aquired3)

11.958

6

0.063

  

8.539

6

0.201

       

Dog-ownership experience4)

0.042

1

0.837

  

0.335

1

0.563

       

Body weight

7.023

1

0.008

 

−0.005

0.007

1

0.934

       

Dog’s age at evaluation

11.145

1

0.001

 

−0.018

0.000

1

0.999

       

Dog’s age when acquired

1.318

1

0.251

  

8.065

1

0.005

 

−0.002

     

Breed groups*Country

328.227

15

0.000

  

29.034

15

0.016

       

Breed groups*Sex

86.349

15

0.000

  

26.774

15

0.031

       

Country*Sex

145.751

3

0.000

  

7.556

3

0.056

       

Breed groups*Country*Sex

344.926

31

0.000

  

47.057

31

0.032

       

Omnibus

385.296

42

0.000

  

72.384

42

0.002

       
  1. 1) Ancient and spitz breeds: 1, Toy dogs: 2, Spaniels, scent hounds and poodles: 3, Working dogs: 4, Small terriers: 5, Sight hounds and herding dogs: 6, Retrievers: 7, Mastiff-like dogs: 8.
  2. 2) neutered: N, intact: I.
  3. 3) bred by owner: 1, friend of relative: 2, breeder: 3, pet store: 4, shelter: 5, stray: 6, other: 7.
  4. 4) first ownership: 1, second and more ownership: 2.
  5. 5) partial regression coefficient”.
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