Data items for the systematic review of trials on the effectiveness of alternative listening devices to conventional hearing aids
| General information | Study ID |
| Study title | |
| Reference citation | |
| Corresponding author and contact details | |
| Date of publication | |
| Study eligibility | Peer reviewed |
| English as first language | |
| Type of study | |
| Randomised controlled trial | |
| Non-randomised controlled trial | |
| Before and after studies | |
| Other | |
| Participants | |
| Age range | |
| Gender | |
| Hearing loss | |
| Health-related comorbidity | |
| Type of intervention (all arms) | |
| Types of comparison | |
| Types of outcome | |
| Primary outcome domains | Speech intelligibility |
| Hearing-specific health-related quality of life | |
| Adverse effects (pain) | |
| Secondary outcome domains | Health-related quality of life |
| Listening ability | |
| Cognition | |
| Adverse effect (noise-induced hearing loss) | |
| Feasibility | |
| Results and statistical tests | |
| Risk of bias assessment (see Risk of bias in individual studies section) | |
| Other information (this optional field will be used to record further comments that may be deemed informative) | |