| | | | | |  
| | | | | |  
| | | | | | How often do you have problems with keeping your balance when you  
| | | | | | are walking on a level surface?  
| | | | | | 1 Always  
| | | | | | 2 Very often  
| | | | | | 3 Often  
| | | | | | 4 Sometimes  
| | | | | | 5 Never  
| | | | | | 6 SPONTANEOUS: Never walks  
| | | | | | 7 SPONTANEOUS: Can't walk  
| | | | | |  
| | | | | | IF NOT (HeBal = [nowalk, CntWalk]) [NOT HeBal = 6, 7]  
| | | | | | |  
| | | | | | | HEDIZ  
| | | | | | |  
| | | | | | | SHOW CARD C9  
| | | | | | |  
| | | | | | |  
| | | | | | | How often do you have problems with dizziness when you are  
| | | | | | | walking on a level surface?  
| | | | | | | 1 Always  
| | | | | | | 2 Very often  
| | | | | | | 3 Often  
| | | | | | | 4 Sometimes  
| | | | | | | 5 Never  
| | | | | | | 6 SPONTANEOUS: Never walks  
| | | | | | | 7 SPONTANEOUS: Can't walk  
| | | | | | |  
| | | | | | END OF FILTER  
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| | | | | END OF FILTER  
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| | | | END OF FILTER  
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| | | END OF FILTER  
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