Although inconsistency between objective and subjective hearing loss among older adults has been suggested, a systematic examination of the cognitive and physical functioning among such older adults is lacking. Our objective was to assess the cognitive, physical, and mental profiles associated with the discrepancy.The auditory acuity of 696 community-dwelling older adults was evaluated using a pure-tone average of hearing thresholds at 1.0 and 4.0 kHz in the better-hearing ear. Participants were then stratified as follows: normal hearing ≤ 25 dB, mild loss25 dB and ≤40 dB, and moderate loss40 dB and ≤70 dB. Global cognition, gait speed, and depressive symptoms were also assessed.Among older adults, 63.5% of those with mild hearing loss and 22.2% of those with moderate hearing loss did not recognize hearing difficulties. Significantly lower cognition and gait performance were observed in those with moderate hearing loss without subjective hearing loss (i.e., overestimation of hearing acuity) than in those with subjective hearing loss. Furthermore, older adults with subjective hearing loss showed a higher tendency toward depression than those without subjective hearing loss, irrespective of objective hearing loss.Our results suggest that failure to recognize a high level of age-related hearing loss may be related to impaired cognition and gait performance among older adults. Subjective hearing loss may indicate a tendency toward depression.
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