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Table 2 Factors, items and factor loadings of The MS disease - specific Problems Questionnaire (MSPQ −28)* (n = 200)

From: Development and validation of the disease - specific problems questionnaire for patients with multiple sclerosis

subscales

Item

Factors

1

2

3

4

5

Physical problems

I have trouble doing daily ordinary activities (bathing, wearing own clothes, etc.)

0.802

0.301

0.002

0.162

0.293

I have physical pain

0.775

0.322

0.351

0.123-

0.220

I have general weakness and lethargy

0.880

0.201

0.143

0.432

0.012-

I have visual impairment like double vision, etc.

0.579

0.250

0.298

0.004

0.198

I have an imbalance like loss of control of body movements

0.798

0.002-

0.005

0.321

0.213

I have urinary and bowel incontinence

0.467

0.178

0.009-

0.245

0.001

I have insomnia

0.689

0.234

0.432

0.006

0.015

I have memory disorder and forgetfulness

0.588

0.098

0.265

0.007

0.087-

I have tingling and numbness in the hand and leg

0.856

0.201

0.345

0.256

0.005

Psychological problems

The disease has caused negative feelings such as sadness, depression, and anxiety

 

0.876

0.201

0.444

0.093

I feel distressed and confused

0.001

0.895

0.210

0.355

0.002-

I feel feared without justified reason

0.187

0.789

0.421

0.220

0.045

I feel consuming a lot of mental energy

0.002

0.880

0.012

0.002

0.056-

I feel dissatisfied toward my body style

0.054-

0.351

0.007

0.156

0.043

Emotional problems

The disease makes sensitive and irritable

0.321

0.098

0.885

0.234

0.002

The disease has made more introverted and indifferent toward surrounding issues

0.067

−0.045

0.882

0.123

0.034

The disease has led to a decline in my emotional relationships with my spouse and family members

0.250

0.231

0.898

0.345

0.423

I can’t handle my negative emotions

0.001

0.042

0.499

0.211

0.001-

Family problems

The disease has reduced my relationship with family members

0.122

0.324

0.432

0.885

 

The disease has reduced my role and function in the family

0.088

−0.002

0.044

0.876

 

The disease has caused problems in my matrimony and sexuality

0.145

0.222

0.033

0.589

 

Socio-economic problems

The disease has caused problems in my job

0.542

0.057-

0.234

0.001

0.888

The disease has reduced my social relationships with others

0.213

0.245

0.215

0.176

0.880

The disease has reduced my ability and function in the community

0.287

0.001-

0.178

0.087

0.689

I have trouble doing social activities (attending in ceremonies, etc.)

0.287

0.001-

0.321

0.098

0.497

I suffer from perspective of community toward MS disease

0.213

0.321

0.002

0.045-

0.870

I have trouble in providing my medication and medical treatment

0.123

0.211

0.321

0.045

0.492

The lack of socio-economic supports (financial, educational, supportive, services, etc.) led to problems for me.

0.159

0.054-

0.301

0.034

0.850

Eigenvalue

 

9.250

7.450

5.43

3.38

1.894

Percentage of variance

 

21.219

17.456

12.232

5.132

2.711