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POLOPEAGE3
Age when had 3rd operation to correct for limitations due to polio

Codes and Frequencies



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

00NIUXX
011··
022··
033··
044··
055··
066··
077··
088·X
099X·
1010··
1111·X
1212X·
1313··
1414··
1515XX
1616··
1717··
1818··
1919··
2020··
2121··
2222··
2323··
2424··
2525··
2626··
2727··
2828··
2929··
3030··
3131··
3232··
3333··
3434··
3535··
5454·X
8585+ years old··
98Unknown - not ascertained·X
99Unknown - refused··