Questions:

1. Overall in the last 30 days, how much of a problem did [name of person/you] have with moving around?
2. In the last 30 days, how much difficulty did [name of person/you] have in vigorous activities, such as running 3 km (or equivalent) or cycling?

Response categories:

1. None
2. Mild
3. Moderate
4. Severe
5. Extreme/Cannot Do

Vignettes:

1. [Paul] is an active athlete who runs long distance races of 20 kilometres twice a week and engages in soccer with no problems.
   
   
2. [Mary] has no problems with walking, running or using her hands, arms and legs. She jogs 4 kilometres twice a week.***
   
   
3. [Adriana] is quite active and does sports twice a week, such as tennis or swimming. Once a month, however, she is too tired for sports so takes a three kilometre walk instead.
   
   
4. [Philip] goes walking every day for half an hour, one or two kilometres. He does not practice any strenuous sports as he feels out of breath when he walks very quickly or runs.
   
   
5. [Rob] is able to walk distances of up to 200 metres without any problems but feels tired after walking one kilometre or climbing up more than one flight of stairs. He has no problems with day-to-day physical activities, such as carrying food from the market.***
   
   
6. [Anton] does not exercise. He cannot climb stairs or do other physical activities because he is obese. He is able to carry the groceries and do some light household work.***
   
   
7. [Vincent] has a lot of swelling in his legs due to his health condition. He has to make an effort to walk around his home as his legs feel heavy.***
   
   
8. [Margaret] feels chest pain and gets breathless after walking distances of up to 200 metres, but is able to do so without assistance. Bending and lifting objects such as groceries also causes chest pain.
   
   
9. [Rina] has had a stiff neck for the last 10 days and it makes her move around slowly as any sudden movement causes pain.
   
   
10. [Jenny] is an adult with an intellectual impairment and she is also obese. She struggles to get out of a chair, and moves very slowly.
    
    
11. [Louis] is able to move his arms and legs, but requires assistance in standing up from a chair or walking around the house. Any bending is painful and lifting is impossible.
    
    
12. [David] is paralyzed from the neck down. He is unable to move his arms and legs or to shift body position. He is confined to bed.***
    
    
13. [Sid] suffers from a mental illness and spends his days rocking in a chair. He never moves out of his chair except when physically assisted by another person.
    
    
14. [Gemma] has a brain condition that makes her unable to move. She cannot even move her mouth to speak or smile. She can only blink her eyelids.

*** Included in the final World Health Survey instrument in 2002.