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Table 4 The factor structure of the Persian AIMS2 obtained from principal component analysis*

From: Translation and validation study of the Persian version of the Arthritis Impact Measurement Scales 2 (AIMS2) in patients with osteoarthritis of the knee

 

Factor 1

Factor 2

Factor 3

 

Physical

Psychological

Social

AIMS2 scales

 

-

-

Mobility level

0.72

-

-

Walking and bending

0.65

-

-

Hand and finger function

0.59

-

-

Arm function

0.54

-

-

Self-care

0.74

-

-

Household tasks

0.75

-

-

Social activities

 

-

0.60

Support from family and friends

 

-

0.57

Arthritis pain

0.65

-

-

Work

0.53

-

-

Level of tension

-

0.76

-

Mood

-

0.67

-

Variance contributed by each factor**

47

11.1

9.4

  1. * Factor loadings greater than 0.40 were considered satisfactory.
  2. ** Total variance explained: 67.5%.