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Figure 7. Bivariate plots of individual word-recognition performances in competing message (ordinate) and high-frequency pure tone averages (PTAs) of listeners (abscissa) for (a) 486 nonveterans and (b) 897 veterans. Large filled symbols depict mean datum points, and lines through datum points are linear regressions used to describe data (R2= 0.61, nonveterans; R2= 0.58, veterans). HL = hearing level. Wilson RH, Noe CM, Cruickshanks KJ, Wiley TL, Nondahl DM. Prevalence and degree of hearing loss among males in Beaver Dam cohort: Comparison of veterans and nonveterans. J Rehabil Res Dev. 2010;47(6):505–20. DOI:10.1682/JRRD.2009.10.0169