From: Explaining better hearing in Norway: a comparison of two cohorts 20 years apart - the HUNT study
 | Cohort effecta | Natural indirect effect | |||
---|---|---|---|---|---|
Estimate (dB) | 95% CI | Estimate (dB) | 95% CI | Mediated proportion | |
All: | |||||
 Total | −2.79 | − 2.64, − 2.94 | − 0.76b | − 0.85, − 0.68 | 0.27 |
 Education |  |  | −0.28c | − 0.35, − 0.21 | 0.10 |
 Recurrent ear infections |  |  | − 0.18c | −0.21, − 0.15 | 0.07 |
 Occupational noise |  |  | −0.14e | − 0.18, − 0.10 | 0.05 |
 Smoking |  |  | −0.14e | −0.21, − 0.08 | 0.05 |
Women: | |||||
 Total | −2.65 | −2.45, − 2.84 | −0.70b | − 0.81, − 0.59 | 0.26 |
 Education |  |  | −0.38c | −0.48, − 0.27 | 0.14 |
 Recurrent ear infections |  |  | −0.20c | −0.25, − 0.16 | 0.08 |
 Occupational noise |  |  | −0.04d | −0.05, 0.02 | 0.01 |
 Smoking |  |  | −0.05d | −0.09, − 0.02 | 0.02 |
Men: | |||||
 Total | −3.01 | −2.78, −3.23 | −0.91b | −1.06, − 0.77 | 0.30 |
 Education |  |  | −0.22c | −0.31, − 0.13 | 0.09 |
 Recurrent ear infections |  |  | −0.17c | −0.21, − 0.12 | 0.06 |
 Occupational noise |  |  | −0.27e | −0.34, − 0.19 | 0.09 |
 Smoking |  |  | −0.21e | − 0.33, − 0.08 | 0.07 |