Skip to main content
. 2019 Feb 20;66(1):611. doi: 10.4102/sajcd.v66i1.611

TABLE 3.

Proportion of participants with hearing impairment (%) per age group (n = 850).

Age group (years) n Slight impairment (26 dB – 40 dB)
DHI (>40 dB)
% CI % CI
0–3.11 63 0 0 1.91 0.01–0.05
4–14.11 251 6.77 0.04–0.11 1.91 0.01–0.05
15–64.11 465 12.04 0.1–0.17 7.96 0.06–0.11
>65 71 28.17 0.26–0.53 46.48 0.36–0.53

Total 850 10.94 0.09–0.14 8.94 0.08–0.12

DHI, Disabling hearing impairment.

, World Health Organization (WHO) criteria for grading of hearing impairment;

, Grading is according to the WHO. The degree of hearing loss is indicated in brackets. Hearing loss >40 dB in the better hearing ear in adults and >30 dB in children.