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COLSIGEV
Ever had colonoscopy, sigmoidoscopy, or both

Codes and Frequencies



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

0NIUXXXXXXX
1ColonoscopyXXXXXXX
2SigmoidoscopyXXXXXXX
3BothXXXXXXX
4Neither···XXXX
7Unknown - refused·XXXXXX
8Unknown - not ascertainedXXXXXXX
9Unknown - don't knowXXXXXXX