Table 3

Individual SIQR questions for RA, SLE and FM with the calculated differences between RA and SLE and between FM and the combined RA/SLE groups

SIQR question

Healthy (n = 204)

FM (n = 202)

RA (n = 31)

SLE (n = 20)

RA minus SLE

RA/SLE (n = 51)

FM minus RA/SLE

Brush or comb hair

0.1

2.4

0.9

0.8

0.1

0.8

1.6

Walk continuously for 20 minutes

0.6

5.7

3.4

2.2

1.2

2.9

2.8

Prepare a homemade meal

0.2

4.3

1.2

1.4

-0.2

1.3

3.0

Vacuum, scrub or sweep floors

0.6

6.5

2.8

2.5

0.3

2.7

3.8

Lift and carry a bag full of groceries

0.4

5.6

2.6

3.3

-0.7

2.9

2.7

Climb one flight of stairs

0.5

5.6

3.6

2.3

1.3

3.1

2.5

Change bed sheets

0.4

5.5

2.4

2.2

0.2

2.3

3.2

Sit in a chair for 45 minutes

0.7

5.6

1.5

1.6

-0.1

1.5

4.1

Go shopping for groceries

0.4

5.6

2.5

2.4

0.1

2.4

3.2

Function (average)

0.4

5.2

2.3

2.1

0.2

2.2

3.0

Achieve goals

0.7

5.7

2.7

3.1

-0.4

2.8

2.9

Feel overwhelmed

0.7

5.2

2.5

3.3

-0.8

2.8

2.4

Overall (average)

0.7

5.5

2.6

3.2

-0.6

2.8

2.7

Pain

1.5

6.0

3.9

4.1

-0.2

3.9

2.1

Energy

2.6

6.8

5.1

5.1

0.0

5.1

1.7

Stiffness

2.1

6.7

4.5

4.1

0.4

4.4

2.3

Sleep

3.8

7.6

5.4

5.5

-0.1

5.5

2.1

Depression

1.7

4.6

1.8

1.8

0.0

1.8

2.8

Memory

1.7

5.9

2.7

3.4

-0.7

3.0

2.9

Anxiety

1.8

4.5

1.9

2.6

-0.7

2.2

2.3

Tenderness

1.0

6.9

3.4

2.5

0.9

3.0

3.9

Balance

0.7

4.8

2.0

1.8

0.2

1.9

2.9

Sensitivity

1.5

6.2

1.6

4.5

-2.9

2.8

3.4

Symptoms (average)

1.8

6.0

3.2

3.5

-0.3

3.3

2.7

Total SIQR score

12.4

56.6

27.9

29.6

-1.7

28.6

28.0

Note: Minus scores in the RA minus SLE column indicate that SLE group had higher scores on that item. Higher scores indicate more impairment or higher level of symptoms. FM, fibromyalgia; RA, rheumatoid arthritis; SLE, systemic lupus erythematosus.

Friend and Bennett Arthritis Research & Therapy 2011 13:R58   doi:10.1186/ar3311