Table 1 Mokken scale `Physical Functioning’ from the SF-36 (n = 202)

9

Walking 150 meters

2.75

0.78 (0.040)

10

Bathing or dressing yourself

2.72

0.67 (0.056)

5

Climbing one flight of stairs

2.66

0.78 (0.039)

3

Lifting or carrying groceries

2.57

0.74 (0.037)

8

Walking 800 meters

2.56

0.76 (0.037)

6

Bending, kneeling, or stooping

2.56

0.70 (0.044)

2

Moderate activities, such as moving a table, cleaning the floor

2.39

0.75 (0.036)

7

Walking 1,600 meters

2.28

0.74 (0.034)

4

Climbing several flights of stairs

2.20

0.71 (0.042)

1

Vigorous activities, such as running, lifting heavy objects, participating in strenuous sports

1.54

0.59 (0.065)