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Table 3 Orthogonal factor loadings for owner-reported quality of life1

From: Quality of life and owner attitude to dog overweight and obesity in Thailand and the Netherlands

Scale/Subscale/Question number

 

Orthogonal factors

 

IM

GS

AL/GA

DF/BN

IM/AL

GS

EI

SO/BN

BN/SA

Item

Fac1

Fac2

Fac3

Fac4

Fac5

Fac6

Fac7

Fac8

Fac9

Eigenvalue

 

4.86

3.10

2.24

1.74

1.52

1.44

1.35

1.27

1.18

% of the total variance

 

14.3

9.1

6.6

5.1

4.5

4.2

4.0

3.7

3.5

Physical

General sickness (GS)

 Q1:

My dog acts sick.

0.195

0.539

0.071

0.084

-0.043

0.158

0.322

-0.081

0.123

 Q2:

My dog does not like being touched.

0.095

0.582

0.021

-0.122

-0.103

0.153

-0.095

0.069

0.181

 Q3:

My dog has difficulty eliminating or eliminates more frequently than usual.

0.192

0.661

0.160

-0.094

0.043

0.018

0.051

0.115

0.022

 Q4:

My dog has difficulty sleeping.

0.070

0.671

0.217

-0.057

0.057

-0.117

0.075

0.030

-0.225

 Q5:

My dog vomits more than he/she used to.

-0.107

0.569

-0.084

-0.021

0.066

0.202

0.135

-0.181

0.023

 Q6:

My dog has difficulty breathing.

0.395

0.396

-0.058

0.230

0.083

0.182

0.189

-0.235

-0.171

 Q7:

My dog’s temperament has changed.

0.219

0.504

0.120

0.067

-0.016

0.455

-0.077

-0.088

-0.206

 Q8:

My dog has become aggressive to dogs or people who were accepted before.

-0.024

0.107

0.202

-0.042

0.125

0.774

0.033

0.047

-0.062

 Q9:

My dog gets lost in places that should be familiar.

0.169

0.214

0.005

-0.034

0.172

0.433

0.060

-0.092

-0.034

 Q10:

My dog shows less desire to interact with other dogs or people than usual.

0.263

0.071

0.145

-0.132

0.062

0.621

0.190

-0.001

-0.048

Immobility (IM)

 Q11:

My dog has a lot of energy.

-0.073

-0.100

0.144

-0.084

-0.692

-0.168

-0.079

0.036

-0.148

 Q12:

My dog rarely gets excited anymore.

0.568

0.051

0.042

-0.148

0.028

0.166

0.003

0.319

0.120

 Q13:

My dog has difficulty getting up after lying down.

0.832

0.102

-0.084

-0.059

0.068

0.031

0.012

-0.067

0.002

 Q14:

My dog has difficulty walking.

0.827

0.164

-0.036

-0.055

0.013

-0.008

0.073

-0.036

-0.017

 Q15:

My dog plays less often.

0.727

0.069

0.003

0.026

-0.128

0.155

0.021

-0.147

-0.066

 Q16:

My dog’s overall mobility is good (reverse score).

0.001

0.031

0.012

-0.154

-0.691

-0.123

-0.256

0.196

-0.014

External irritation (EI)

 Q17:

My dog chews or scratches certain areas of skin until they become red and irritated.

0.028

0.045

0.045

-0.010

0.135

0.093

0.793

-0.025

0.015

 Q18:

My dog has patches of fur missing.

0.100

0.157

0.226

-0.020

0.080

0.028

0.708

0.033

-0.056

Psychological

Anxiety when owner leaves (AL)

 Q19:

My dog chews on things that he/she has been taught not to do.

-0.008

-0.129

0.356

-0.075

0.594

-0.002

0.023

0.260

-0.002

 Q20:

My dog whines when I leave.

-0.043

0.171

0.419

0.057

0.271

0.119

-0.003

-0.165

-0.045

 Q21:

My dog makes a mess when I’m away from home.

-0.097

0.028

0.474

-0.020

0.615

-0.024

-0.049

-0.004

-0.006

General anxiety (GA)

 Q22:

My dog is startled easily.

-0.106

0.176

0.547

0.037

0.106

0.123

0.361

-0.154

0.111

 Q23:

My dog cowers when it meets a new person or dog.

-0.041

0.081

0.718

0.014

-0.092

0.294

0.044

-0.123

-0.011

 Q24:

When my dog is in a new place, it puts its tail between its legs.

0.045

0.045

0.759

0.027

0.038

-0.031

0.130

-0.112

0.002

Social

Dog focused (DF)

 Q25:

I play with my dog when it is ready to play.

0.145

0.036

0.076

0.446

0.080

-0.119

-0.062

0.187

0.042

 Q26:

I pet my dog often.

-0.022

-0.078

0.014

0.757

0.014

-0.037

-0.048

0.032

-0.001

 Q27:

I groom my dog often.

-0.037

-0.049

-0.043

0.670

-0.018

0.046

0.142

0.050

0.091

 Q28:

I often spend my free time with my dog.

-0.255

0.011

0.024

0.686

0.135

-0.078

-0.040

0.073

-0.085

Sociability (SO)

 Q29:

My dog has the opportunity to play with other dogs.

-0.067

-0.021

-0.146

0.177

0.098

-0.179

-0.029

0.662

-0.025

 Q30:

My dog shares his/her toys with other animals.

-0.049

-0.038

-0.194

0.208

-0.096

-0.024

0.074

0.718

-0.072

Environmental

Basic needs (BN)

 Q31:

My dog has fresh water available throughout the day.

-0.056

-0.275

0.087

0.464

-0.140

0.079

-0.055

0.021

0.511

 Q32:

My dog goes outside when he/she needs to.

-0.038

0.021

-0.109

0.003

-0.121

0.317

-0.098

0.465

0.093

Sleeping area (SA)

 Q33:

My dog’s sleeping area is her/her own.

0.068

0.013

-0.036

-0.055

-0.017

-0.249

-0.113

0.009

0.729

 Q34:

My dog has his/her own place to sleep (e.g. bed of the owner).

-0.085

0.106

0.031

0.095

0.318

0.055

0.169

-0.033

0.675

  1. 1The data from the owner reports of quality of life (n = 350) were subject to factor analysis. The Kaiser-Meyer-Olkin measure is 0.741, indicating a high sampling adequacy for the factor analysis. Bartlett’s test of sphericity indicates that the factor model is appropriate (Chi-square = 2934.523, df = 561, P < 0.0005). Factor
  2. loadings > 0.4 are considered to be high and are indicated in bold. The nine factors account for 55.0% of the total variance
  3. GS general sickness, IM immobility, EI external irritation, AL anxiety when owner leaves, GA general anxiety, DF dog focused, SO sociability, BN basic needs, SA sleep area