Table 1.

Number of persons in Age-groups and the three-step functional hearing status groups.

		Hear
	Age	Normal < −5.5	Insuff −5.5 to −3.5	Poor > −3.5	Total
1	<48	23147	881	90	24118
2	48–57	38724	2369	197	41290
3	58–67	55617	7340	835	63792
4	>67	7113	1567	218	8898
Total		124601	12157	1340	138098