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Summary of participant inclusion criteria following baseline measures
| Criterion | Experimental group | Control group |
|---|---|---|
| HIV / AIDS positive serology | Yes | Yes |
| On ARVs | Yes | No |
| Age between 18 and 50 years | Yes | Yes |
| Alert and oriented | Yes | Yes |
| Normal pure tone audiometry (thresholds better or equal to 25 dBHL) | Yes | Yes |
