Skip to main content

Table 3 Jet fuel exposure group means for DPOAE across frequencies a,b

From: Jet fuel exposure and auditory outcomes in Australian air force personnel

DPOAE frequency (f2) Low exposure (95% CI) Moderate exposure (95% CI) High exposure (95% CI) p-valuec
2 kHz.
 Right ear 13.20 (8.93–17.47) 8.11 (3.90–12.32) 10.67 (6.17–15.17) 0.270
 Left ear 15.56 (12.13–19.00) 12.97 (9.52–16.42) 12.55 (9.61–15.48) 0.414
2.8 kHz.
 Right ear 15.15 (12.01–18.28) 9.24 (4.65–13.83) 11.79 (8.07–15.51) 0.109
 Left ear 16.02 (13.43–18.62) 9.71 (5.68–13.73) 9.92 (6.17–13.67) 0.004
4 kHz.
 Right ear 15.52 (12.90–18.14) 8.57 (5.12–12.02) 11.26 (7.31–15.22) 0.010
 Left ear 16.68 (14.19–19.16) 7.67 (3.18–12.16) 8.79 (4.92–12.67) < 0.001
6 kHz.
 Right ear 12.22 (8.10–16.34) 5.37 (1.25–9.49) 8.60 (4.76–12.43) 0.079
 Left ear 13.59 (10.64–16.54) 5.37 (−0.05–10.79) 6.03 (2.28–9.77) 0.003
8 kHz.
 Right ear 0.89 (−5.29–7.08) −7.35 (−12.02– −2.68) −6.69 (−9.80– −3.58) 0.081
 Left ear −5.31 (−9.80– − 0.82) −7.68 (−10.99– −4.37) −7.85 (−10.47– − 5.24) 0.642
  1. aMeans estimated through a Multivariate Linear Regression using bootstrapping for calculating the standard error (10,000 replications)
  2. bMeans adjusted by age and noise exposure levels
  3. cp-value estimated through a Wald test
  4. CI Confidence interval