Table 3.
The odds ratio of suicide mortality associated with interquartile-range increases in air pollutant levels and its 95 % confidence interval
| Factors | PM10 a | SO2 b | NO2 a |
|---|---|---|---|
| All | 1.13 (1.01, 1.27) | 1.12 (1.02, 1.23) | 1.15 (1.03, 1.28) |
| Season | |||
| Warm season | 1.13 (0.91, 1.41) | 1.05 (0.89, 1.23) | 1.10 (0.88, 1.37) |
| Cool season | 1.19 (1.04, 1.37) | 1.18 (1.05, 1.33) | 1.22 (1.07, 1.40) |
| Age group (years) | |||
| < 65 | 1.10 (0.96, 1.25) | 1.17 (1.05, 1.31) | 1.17 (1.03, 1.33) |
| ≥ 65 | 1.23 (0.99, 1.52) | 0.98 (0.82, 1.17) | 1.09 (0.88, 1.34) |
| Gender | |||
| Male | 1.20 (1.03, 1.39) | 1.18 (1.04, 1.33) | 1.23 (1.06, 1.42) |
| Female | 1.06 (0.89, 1.26) | 1.05 (0.91, 1.21) | 1.05 (0.89, 1.24) |
| Educational attainment | |||
| Low | 1.13 (0.92, 1.39) | 0.96 (0.82, 1.13) | 1.08 (0.88, 1.31) |
| High | 1.15 (1.00, 1.33) | 1.22 (1.09, 1.38) | 1.21 (1.05, 1.38) |
| Suicide type | |||
| Non-violent | 0.90 (0.65, 1.25) | 0.80 (0.60, 1.06) | 0.84 (0.61, 1.15) |
| Violent | 1.17 (1.04, 1.32) | 1.17 (1.06, 1.29) | 1.21 (1.07, 1.36) |
aThe effect estimate at lag 02; b the effect estimate at lag 01