The association between exposure to road traffic noise per 5 dB(A) and hypertension according to the number of indicators of potential exposure misclassification (n = 559)
| Indicators of exposure misclassification* | n | OR (95% CI)† |
|---|---|---|
| *Triple-glazed windows, building built after 1975; bedroom window not directly facing the street. | ||
| †Adjusted for age, type of residence, occupational status, smoking status and number of cigarettes. | ||
| 3 of 3 | 67 | 0.83 (0.43 to 1.60) |
| 2 of 3 | 120 | 0.98 (0.56 to 1.73) |
| 1 of 3 | 221 | 1.47 (0.93 to 2.33) |
| 0 of 3 | 151 | 2.47 (1.38 to 4.43) |