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POLOPEAGE2
Age when had 2nd 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··
055XX
066··
077··
088··
099X·
1010X·
1111X·
1212XX
1313··
1414··
1515X·
1616·X
1717·X
1818··
1919··
2020··
2121··
2222··
2323··
2424··
2525··
2626··
2727··
2828··
2929··
3030··
3131··
3232··
3333··
3434··
3535··
8585+ years old··
98Unknown - not ascertained·X
99Unknown - refused··