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COLLGYRR2
Time since last colonoscopy: Grouped year recode 2 (2005 method)

Codes and Frequencies



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

0NIUXXXX
1A year ago or lessXXXX
2GT 1 year, not more than 2 yrsXXXX
3GT 2 years, not more than 3 yrsXXXX
4GT 3 years, not more than 5 yrsXXXX
5GT 5 years, not more than 10 yrsXXXX
6Over 10 years agoXXXX
7Unknown-refusedXXXX
8Unknown-not ascertainedXXXX
9Unknown-don't knowXXXX