Table 2.
Relative risks (with 95% confidence intervals) of high depressive symptoms at follow-up in study participants exposed to residential road traffic noise (Lden) > 55 dB(A) and Lden ≤ 55 dB(A).
| Model | Cases (n) | Total (n)a | RR (95% CI) |
|---|---|---|---|
| Unadjusted | |||
| Total | 302 | 3,300 | 1.31 (1.05, 1.62) |
| Men | 101 | 1,715 | 1.46 (1.00, 2.13) |
| Women | 201 | 1,585 | 1.23 (0.95, 1.60) |
| Model 1b | |||
| Total | 279 | 3,098 | 1.29 (1.03, 1.62) |
| Men | 98 | 1,650 | 1.29 (0.87, 1.92) |
| Women | 181 | 1,448 | 1.30 (0.98, 1.72) |
| Model 2c | |||
| Total | 278 | 3,089 | 1.28 (1.02, 1.61) |
| Men | 98 | 1,644 | 1.28 (0.85, 1.94) |
| Women | 180 | 1,445 | 1.28 (0.97, 1.69) |
| Model 3d | |||
| Total | 276 | 3,075 | 1.26 (1.00, 1.58) |
| Men | 97 | 1,637 | 1.21 (0.81, 1.82) |
| Women | 179 | 1,438 | 1.28 (0.97, 1.70) |
| Abbreviations: CI, confidence interval; dB(A), A-weighted decibels; RR, relative risk. aNumbers in Models 1-3 differing from the unadjusted model reflect missing covariate data. bAdjusted for age, sex (except in the sex-stratified analysis), education, income, economic activity, neighborhood-level socioeconomic status, traffic proximity. cAdditionally adjusted for body mass index, smoking. dAdditionally adjusted for comorbidities, insomnia. | |||