Abstract
Objective To assess the feasibility of implementing a school entry hearing screening programme in the South-East District, Botswana. Design A feasibility study design was used. Trained screeners conducted smartphone-based pure tone audiometry screening at 25 dB HL, at 1, 2, and 4 kHz using calibrated headphones. Learners with “refer” results after an immediate rescreen were referred and scheduled for diagnostic hearing assessment at the local hospital. Attendance at diagnostic appointments was encouraged through multiple contacts with the families. Study sample The study participants were 403 Grade 1 learners from eight public primary schools. Results The overall referral rate for diagnostic hearing assessment was 4.7%, with a referral uptake rate of 90%. The sensitivity and specificity of the hearing screening protocol were 93.3% and 86.4%, respectively. The positive and negative predictive values were 82.4% and 95%, respectively. The average cost per learner screened was US$ 10.75. Conclusions School entry hearing screening programmes can be successfully implemented in the South-East District, Botswana. Lessons learnt from this study can potentially guide phased implementation of school hearing screening programmes in other districts.
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