Roles of CHWs in ear and hearing disease that have been reported in the literature or have potential (as indicated by an asterisk)
| Training level | Basic | Intermediate | Advanced |
| Screening and diagnosis. | Encouraging community participation. | Taking a clinical history.* Clinical tests of hearing (whispered voice test, noisemakers for neonatal screening). Automated audiometry (eg, PTA, OAE, ABR). Otoscopy (store and send). Otoscopy (diagnostic).* | Diagnostic audiometry (eg, PTA, paediatric audiological tests). |
| Treatment. | Raising awareness.* Preventative measures.* | Ear washout. Antibiotic therapy. Dry mopping of the ear.* | Fitting and maintenance of hearing aids. |
ABR, auditory brainstem response; CHW, community health worker; OAE, otoacoustic emissions; PTA, pure tone audiometry.