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Table 5 Rotated cause scale factor loadings from the pattern matrix

From: Testing the psychometric properties of the illness perceptions questionnaire for OCD (IPQ-O)

IPQ-O cause scale question

1. Environmental stress

2. Biological causes

3. Learned behaviour

4. Own characteristics or behaviour

OC8. Multiple stressful events

0.812

0.087

0.052

0.031

OC5. Experiencing traumatic events

0.772

−0.126

−0.007

0.122

OC13. A major change in my life

0.615

0.005

−0.001

−0.069

OC6. Relationship difficulties

0.419

−0.065

−0.146

− 0.175

OC7. Witnessing or hearing about something bad happening to someone else

0.379

0.08

−0.084

−0.112

OC11. Feeling that life was out of control

0.376 a

0.003

−0.171

−0.302

OC16. Lack of social or emotional support

0.309

−0.168

−0.207

− 0.264

OC2. The way in which my brain works or is wired

−0.118

0.61

0.039

−0.169

OC12. Inherited/caused by my genes

0.081

0.584 a

−0.315

0.193

OC1. A chemical or hormonal imbalance

0.031

0.54

0.1

−0.021

OC10. By learning from the behaviour of others in my family

−0.026

0.034

−0.754

−0.069

OC9. The way I was brought up or told to behave

0.119

−0.041

−0.665

− 0.018

OC14. My personality

−0.091

0.108

−0.123

− 0.544

OC4. Low self esteem

0.115

−0.048

0.038

−0.531

OC3. Unable to cope with stress very well

0.245

0.154

0.178

−0.514

OC15. A normal coping behaviour that got out of control

0.086

−0.183

−0.117

− 0.427

Total N questions

7

3

2

4

Cronbach’s alpha

0.811

0.574

0.722

0.624

  1. Loadings ≥ .3 are highlighted in bold
  2. aDenotes which sub-scale a cross-loading item is allocated (where more than one loading ≥.3)