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Table 5 Jet fuel exposure group means for behavioural procedures investigating central auditory functions a,b

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

Test Low exposure (95% CI) Medium exposure (95% CI) High exposure (95% CI) p-value c
Compressed speech, % 51.80 (47.14–56.46) 42.07 (36.95–47.20) 45.60 (41.52–49.69) 0.039*
Words-in-noise, dB SNR 5.99 (5.24–6.74) 7.40 (6.55–8.25) 7.28 (6.43–8.13) 0.038*
Dichotic digits, % 92.67 (87.80–97.54) 89.69 (87.08–92.31) 87.23 (81.93–92.53) 0.413
Pitch pattern sequence, % 100.0 (98.16–100.0) 97.28 (94.50–100.0) 94.13 (89.97–98.30) 0.082
Duration pattern sequence, % 99.50 (98.08–100.0) 98.42 (97.00–99.84) 96.82 (93.53–100.0) 0.434
ATTR, ms
 Within channel 3.51 (2.31–4.71) 3.28 (2.46–4.10) 5.24 (2.91–7.56) 0.228
 Across channel 48.63 (34.90–62.35) 41.65 (29.40–53.90) 46.53 (33.98–59.09) 0.720
  1. aMeans estimated through a quantile 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
  5. ATTR Auditory test of temporal resolution
  6. dB SNR dB signal-to-noise ratio
  7. Ms Milliseconds
  8. Values for compressed speech, words-in-noise, pitch pattern sequence, and duration pattern sequence represent the average score between the right and left ears