. Author manuscript; available in PMC: 2016 Nov 1.

Published in final edited form as: Ear Hear. 2015 Nov-Dec;36(0 1):38S–47S. doi: 10.1097/AUD.0000000000000208

Table 2.

Infant, preschool, and school-age groups: Means (SDs) of initial hours of HA use and change in HA use between first and last visit (based on parent report measures), categorized by clusters over time.

Infant Cluster	Initial Mean (SD)	Change Mean (SD)	n	%

Start High Increase	8.69 (1.23)	1.94 (1.4)	33	64%
Start High Decrease	11.79 (1.09)	−3.05 (2.69)	17	64%
Start Low Increase	3.75 (2.15)	6.46 (2.22)	21	27%
Start Low Decrease	5.32 (0.95)	−1.31 (2.34)	8	10%

Preschool Cluster	Initial Mean (SD)	Change Mean (SD)	n

Start High Increase	10.67 (1.14)	2.12 (0.94)	41	79%
Start High Decrease	12.7 (1.1)	−0.97 (1.71)	58	79%
Start Low Increase	6.33 (3.18)	6.39 (2.54)	14	11%
Start Low Decrease	6.72 (2.65)	−0.87 (1.89)	12	10%

School age Cluster	Initial Mean (SD)	Change Mean (SD)	n

Start High Increase	10.55 (1.6)	2.19 (2.03)	20	84%
Start High Non Increase	13.04 (1.18)	0 (1.16)	43	84%
Start High Decrease	11.14 (2.94)	−6.2 (2.12)	6	16%
Start Low Increase	3.77 (1.75)	3.06 (3.98)	6	16%