Table 2 Summary of hearing threshold levels and otoacoustic emission amplitudes in ALSPAC children
Measure | Frequency (kHz) | Gender | Number | Mean (SD) | Range (dB) | N > 40 dB (%) |
|---|---|---|---|---|---|---|
Audiometry | 0.5 | All | 4931 | 2.93 (6.0) | −10 to 80 | 12 (0.24) |
1 | All | 4970 | 1.40 (6.0) | −10 to 95 | 10 (0.20) | |
2 | All | 4969 | 1.38 (6.2) | −10 to 110 | 10 (0.20) | |
3 | All | 4936 | 1.22 (6.3) | −10 to 110 | 10 (0.20) | |
4 | All | 4964 | 1.07 (6.6) | −10 to 100 | 10 (0.20) | |
8 | All | 4950 | 4.57 (8.0) | −10 to 65 | 17 (0.34) | |
High frequency | All | 4923 | 2.27 (5.6) | −10 to 70 | 7 (0.14) | |
Low frequency | All | 4931 | 1.90 (5.2) | −10 to 95 | 10 (0.20) | |
OAE | Broadband | All | 3711 | 13.78 (5.5) | −9 to 31 | - |
1 | All | 3711 | 8.36 (7.0) | −13 to 26 | - | |
2 | All | 3711 | 6.90 (6.6) | −17 to 28 | - | |
3 | All | 3711 | 4.21 (7.2) | −17 to 28 | - | |
4 | All | 3711 | 0.35 (7.3) | −21 to 24 | - | |
Audiometry | 0.5 | Males | 2421 | 2.96 (5.8) | −10 to 60 | 5 (0.21) |
1 | Males | 2445 | 1.55 (5.8) | −10 to 65 | 4 (0.16) | |
2 | Males | 2444 | 1.49 (6.0) | −10 to 70 | 3 (0.12) | |
3 | Males | 2426 | 1.57 (6.0) | −10 to 75 | 4 (0.16) | |
4 | Males | 2441 | 1.20 (6.7) | −10 to 75 | 5 (0.20) | |
8 | Males | 2436 | 5.01 (8.2) | −10 to 65 | 9 (0.37) | |
High frequency | Males | 2421 | 2.59 (5.7) | −10 to 70 | 3 (0.12) | |
Low frequency | Males | 2421 | 1.98 (5.0) | −8 to 62 | 3 (0.12) | |
OAE | Broadband | Males | 1848 | 12.90 (5.4) | −9 to 31 | - |
1 | Males | 1848 | 7.56 (6.9) | −13 to 26 | - | |
2 | Males | 1848 | 5.87 (6.5) | −17 to 25 | - | |
3 | Males | 1848 | 3.00 (7.0) | −17 to 28 | - | |
4 | Males | 1848 | −0.53 (7.1) | −21 to 24 | - | |
Audiometry | 0.5 | Females | 2510 | 2.91 (6.2) | −10 to 80 | 7 (0.28) |
1 | Females | 2525 | 1.25 (6.2) | −10 to 95 | 6 (0.24) | |
2 | Females | 2525 | 1.27 (6.3) | −10 to 110 | 7 (0.28) | |
3 | Females | 2510 | 0.89 (6.6) | −10 to 110 | 6 (0.24) | |
4 | Females | 2523 | 0.95 (6.5) | −10 to 100 | 5 (0.20) | |
8 | Females | 2514 | 4.14 (7.8) | −10 to 55 | 8 (0.32) | |
High frequency | Females | 2502 | 1.96 (5.5) | −10 to 57 | 4 (0.16) | |
Low frequency | Females | 2510 | 1.82 (5.5) | −10 to 95 | 7 (0.28) | |
OAE | Broadband | Females | 1863 | 14.65 (5.5) | −5 to 29 | - |
1 | Females | 1863 | 9.15 (6.9) | −13 to 26 | - | |
2 | Females | 1863 | 7.92 (6.5) | −15 to 28 | - | |
3 | Females | 1863 | 5.42 (7.3) | −16 to 23 | - | |
4 | Females | 1863 | 1.22 (7.4) | −21 to 22 | - |