失禁  
HEINCT  
We would like to ask you about incontinence.  
During the last 12 months, have you lost any amount of urine beyond your control?  
1 Yes  
2 No  
IF whether lost urine beyond control = yes [HeInct = 1]  
HEINCTA  
When you had this problem, did it last for more than 1 month?  
1 Yes  
2 No  
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