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BSTOLGYRR1
Time since office blood stool test: Grouped year recode 1 (2000 method)

Codes and Frequencies



An 'X' indicates the category is available for that sample

0NIUXX
1A year ago or lessXX
2GT 1 year, not more than 2 yrsXX
3GT 2 years, not more than 3 yrsXX
4GT 3 years, not more than 5 yrsXX
5GT 5 years, not more than 10 yrsXX
6Over 10 yearsXX
7Unknown-refusedX·
8Unknown-not ascertainedXX
9Unknown-don't knowXX