https://doi.org/10.17037/DATA.00001510
Data produced as part of a study to determine the prevalence and causes of hearing loss in people aged 50+ in Ntcheu District, Malawi. Each row refers to a participant in the study. This study also included a pilot study of a Rapid Assessment of Hearing Loss and Rapid Assessment of Avoidable Blindness in combination.
This codebook refers to the malawi time dataset
| Variable | Description | Value codes | Data type |
| vi_status | Visual impairment according to WHO definition | 0= No visual impairment 1= Mild VI 2=Moderate VI 3=Severe VI 4=Blindness |
float |
| dhl | Disabling hearing loss | 1=pure tone average of >=41dB in better ear 0=pure tone average of <41 in both ears |
float |
| degree | Hearing impairment according to WHO definition | 0= Normal 1= Mild 2=Moderate 3=Severe 4=Profound |
float |
| duration_q | Duration of the questionnaire | Numeric | double |
| hour_q_duration | Duration of questionnaire in hours | Numeric | float |
| min_q_duration | Duration of questionnaire in minutes | Numeric | float |
| sec_q_duration | Duration of questionnaire in seconds | Numeric | float |
| duration_e | Duration of the ear examination | Numeric | double |
| hour_e_duration | Duration of ear exam in hours | Numeric | float |
| min_e_duration | Duration of ear exam in minutes | Numeric | float |
| sec_e_duration | Duration of ear exam in seconds | Numeric | float |
| duration_v | Duration of the vision test | Numeric | double |
| hour_v_duration | Duration of the vision test in hours | Numeric | float |
| min_v_duration | Duration of the vision test in minutes | Numeric | float |
| sec_v_duration | Duration of the vision test in seconds | Numeric | float |
| chart | Use of E chart | 1=Yes 2=No |
float |
| total_time | Total time for questions, hearing, and ear exam | Numeric | float |
| total_time_consent | Total time if consent took 15 mins | Numeric | float |
| total_time_consent7 | Total time if consent took median of 7 minutes | Numeric | float |
| total_time_v | Total time for vision test and hearing test | Numeric | float |
| total_time_v_consent7 | Total time for all tests | Numeric | float |
| heartest_time | Time for hearing test in minutes | Numeric | float |