Table 6 Hearing System
From: Bridging the knowledge gap! Health outcomes in informal e-waste workers
Study design, exposure, setting, time | Population/ participants | Measurements, Examination | Health outcome | |
|---|---|---|---|---|
Hearing system | ||||
Carlson et al. [2021] | Cross-sectional: exposed e-waste worker (EWW), Ghana, April 2014 | Overall n = 58 male EWW | Survey incl. Occupational history, socio-demographics, self-reported hearing status, noise exposure Blood samples Personal noise measurement, hearing & health assessment | Self-reported hearing difficulties were reported by 26% and exposure to loud noise at work by 84.5%. 70% presented a noise notch. A right ear notch at 3 kHz,4 kHz and 6 kHz were present in 13, 18 and 27% of the e-waste worker. A left ear notch at 3 kHz,4 kHz and 6 kHz were present in 13, 20 and 31% of the e-waste worker. |