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POLSTRETYRS
Number of years continued with physical therapy or exercise (Polio supplement)

Codes and Frequencies



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

00Less than 1 yearXX
011XX
022XX
033XX
044XX
055XX
066XX
077XX
088·X
099XX
1010XX
1212XX
1313XX
1515XX
2020·X
2525·X
4040XX
4141·X
4646·X
5151·X
8585+ years··
96NIUXX
98Unknown - not ascertained··
99Unknown - refusedXX