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HEARDCAGE
Age at beginning of child's hearing loss

Codes and Frequencies



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

00NIUX
01Age 0 to 1X
02Age 2X
03Age 3X
04Age 4X
05Age 5X
06Age 6X
07Age 7X
08Age 8X
09Age 9X
10Age 10X
11Age 11X
12Age 12X
13Age 13X
14Age 14X
15Age 15·
16Age 16X
17Age 17·
20At birthX
97Unknown-refusedX
98Unknown-not ascertained·
99Unknown-don't knowX