From: Absent otoacoustic emissions predict otitis media in young Aboriginal children: A birth cohort study in Aboriginal and non-Aboriginal children in an arid zone of Western Australia
Age
Aboriginal
Non-Aboriginal
Hazard ratio
95% CI
<1 month
1.19
(0.66 – 2.16)
2.51
(0.38 – 16.48)
1–<3 months
2.64*
(1.32 – 5.31)
0.71
(0.24 – 2.11)