| | |  
| | | HECDA  
| | |  
| | | Do you get pain or discomfort in either of your legs which comes on when you  
| | | walk?  
| | | 1 Yes  
| | | 2 No  
| | | 3 Cannot walk  
| | |  
| | | IF @/Do you get pain or discomfor = Yes [HeCda = 1]  
| | | |  
| | | | HECDB  
| | | |  
| | | | Does this pain ever begin when you are standing still or sitting?  
| | | | 1 Yes  
| | | | 2 No  
| | | |  
| | | | HECDC  
| | | |  
| | | | Do you get it if you walk uphill or hurry?  
| | | | 1 Yes  
| | | | 2 No  
| | | | 3 Never walks uphill or hurries  
| | | |  
| | | | HECDD  
| | | |  
| | | | Do you get it when you walk at an ordinary pace on the level?  
| | | | 1 Yes  
| | | | 2 No  
| | | | 3 Never walks at an ordinary pace on the level  
| | | |  
| | | | IF (HeCdd = NeverDo) OR ((HeCdc = NeverDo) AND (HeCdd = No))  
| | | | [HeCdd = 3 OR HeCdc = 3 AND HeCdd = 2]  
| | | | |  
| | | | | HECDD1  
| | | | |  
| | | | | Do you never because ... READ OUT...  
| | | | |  
| | | | | CODE ONE ONLY.  
| | | | | 1 ...it causes you pain or discomfort in your legs,  
| | | | | 2 ...it causes other discomfort to do so,