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Differential effects of a 10 μg/m3 increase in PM10 on respiratory admissions during the cold and warm season after adjusting for long- and short-term patterns as well as the effect of weather. |
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| Percentage increase (and 95% CI) per 10 μg/m3 increase in PM10 1 |
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| Cold months2 |
Warm months3 |
P-value for effect modification |
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| All age/sex groups |
-0.33 (-1.47,0.82) |
1.42 (-0.42,3.31) |
0.102 |
| Nicosia Residents4 |
-0.22 (-1.45,1.02) |
1.80 (-0.22,3.85) |
0.083 |
| Males |
-0.16 (-1.76,1.46) |
1.10 (-1.47,3.74) |
0.397 |
| Females |
-0.26 (-2.18,1.70) |
3.27 (-0.00,6.65) |
0.059 |
| Aged <15 |
-0.31 (-2.02,1.42) |
-0.59 (-3.53,2.45) |
0.872 |
| Aged 15+ |
0.02 (-1.76,1.83) |
3.89 (1.05,6.80) |
0.018 |
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Notes: 1 Restricted to days where daily mean PM10 < 150 μg/m3.2 3 Cold months include Jan, Feb, Mar Apr, Nov and Dec based on monthly average temperature; warm months include all the rest. 4 After restricting the analyses to Nicosia residents. | |||
Middleton et al. Environmental Health 2008 7:39 doi:10.1186/1476-069X-7-39 |
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