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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Ear Hear. 2011 Nov;32(6):775–781. doi: 10.1097/AUD.0b013e3182234cf6

Table 1.

Fit statistics (R2s) for polynomial and piecewise regression, correlations of listening comprehension with age before and after the breakpoint, and partial correlations between age and listening comprehension controlling for hearing loss (PTAL and PTAH) in participants whose age was equal to or greater than the breakpoint.

Test Polynomial R2 Piecewise R2 Breakpoint (years) r before Breakpoint r after Breakpoint r with PTAL controlled r with PTAH controlled
LISN .143 .149 66.0 .011 -.421 -.259 -.404
SAT .047 .071 69.0 .063 -.418 -.239 -.383
BCC .077 .093 66.0 -.031 -.300 -.201 -.336

Note: for rs before the breakpoint, all ps >.27; for rs after the breakpoint, all ps <.0001; for partial rs controlling for PTAL, all ps <.005; for partial rs controlling for PTAH: all ps <.0001.