Table 2.
Individual and residential characteristics of the analysis sample.
| Variable | Statistics | N | |
|---|---|---|---|
| Individual characteristics | |||
| Age (years), mean ± SD | 74.5 ± 2.2 | 288 | |
| Educational status, % 1 | Low | 16.70% | 48 |
| Middle | 46.90% | 135 | |
| High | 36.10% | 104 | |
| Missing | 0.30% | 1 | |
| Smoking, % | Yes | 3.80% | 11 |
| No | 96.20% | 277 | |
| Missing | 0% | 0 | |
| Passive smoking at home, % | Yes | 60.80% | 175 |
| No | 38.50% | 111 | |
| Missing | 0.70% | 2 | |
| Physician-diagnosed depression | Yes | 11.80% | 34 |
| No | 87.80% | 253 | |
| Missing | 0.30% | 1 | |
| Residential characteristics | |||
| Residential noise | |||
| LDEN (dB(A)), mean ± SD | 55.9 ± 7.7 | 288 | |
| LDEN ≥ 50 dB(A), % | 74.70% | 215 | |
| LNIGHT (dB(A)), mean ± SD | 47.2 ± 7.4 | 288 | |
| LNIGHT ≥ 50 dB(A), % | 35.40% | 102 | |
| Traffic noise annoyance | |||
| Daytime, % | Not at all | 55.90% | 161 |
| Somewhat | 18.80% | 54 | |
| Moderate | 14.60% | 42 | |
| Strong | 7.60% | 22 | |
| Very strong | 3.10% | 9 | |
| Missing | 0% | 0 | |
| Night, % | Not at all | 76.70% | 221 |
| Somewhat | 11.10% | 32 | |
| Moderate | 6.20% | 18 | |
| Strong | 3.10% | 9 | |
| Very strong | 2.80% | 8 | |
| Missing | 0% | 0 | |
| Air pollution | |||
| PM10 (µg/m3), mean ± SD | 28.0 ± 2.3 | 288 | |
| NO2 (µg/m3), mean ± SD | 32.2 ± 7.4 | 288 |
1 The highest educational status of the participant or her spouse.