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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Ear Hear. 2015 Nov-Dec;36(0 1):14S–23S. doi: 10.1097/AUD.0000000000000212

Table 4.

Rates of participation for children who are hard of hearing (bolded) and children with normal hearing (italicized) through the study period.

Age at Enrollment Data Collection Wave
6 mo. 12 mo. 18 mo. 2 yr. 3 yr. 4 yr. 5 yr. 6 yr. 7 yr. 8 yr. 9 yr.
6 mo. 22
2 		22
2 		18
2 		18
2 		11
1 		1
12 mo. 36
2 		35
2 		35
2 		24
2 		10
18 mo. 25
12 		23
12 		22
12 		17
5 		10
2 yr. 43
27 		41
25 		31
20 		22
10 		1
3 yr. 53
17		 48
17 		42
12 		25
9 		3
4 yr. 52
27 		47
27 		39
23 		30
9
5 yr. 46
11 		46
11 		37
11 		15
1		 2
6 yr. 32
14		 29
14		 25
12		 20
7
7 yr. 8
5 		6
5 		5
5
Total at each age level 22
2 		58
4 		78
16 		119
43 		151
57 		159
69 		167
60 		143
57 		107
39 		46
18 		27
12