Table 3.
Association of baseline exposure with mortality due to cerebrovascular disease for the total sample and by gender
|
Baseline exposure (μg/L) |
Deaths, No |
Person-Years, No |
Rate* |
HR (95% CI) |
P
trend
|
|
|---|---|---|---|---|---|---|
| Unadjusted | Adjusted** | |||||
| Male |
|
|
|
|
|
|
| <10 |
36 |
15986 |
2.3 |
1.0 |
1.0 |
0.45 |
| 10-49 |
196 |
63824 |
3.1 |
1.37 (0.96- 1.95) |
1.12 (0.78- 1.60) |
|
| +50 |
271 |
17601 |
3.6 |
1.30 (0.92- 1.84) |
1.07 (0.75- 1.51) |
|
| Female |
|
|
|
|
|
|
| <10 |
26 |
22212 |
1.2 |
1.0 |
1.0 |
0.00004 |
| 10-49 |
179 |
92538 |
1.9 |
1.65 (1.09- 2.49) |
1.31 (0.87- 1.98) |
|
| +50 |
325 |
24978 |
2.6 |
2.06 (1.38- 3.07) |
1.72 (1.15- 2.57) |
|
| Total |
|
|
|
|
|
|
| <10 |
62 |
38198 |
1.6 |
1.0 |
1.0 |
0.00058 |
| 10-49 |
375 |
156362 |
2.4 |
1.48 (1.13- 1.93) |
1.20 (0.92- 1.57) |
|
| +50 | 596 | 42579 | 3.0 | 1.62 (1.24- 2.10) | 1.35 (1.04- 1.75) | |
*Crude death rate per 1000 person-years, **HR was adjusted with age, sex, education attainment and SES.