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Table 3 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.

From: A 10-year time-series analysis of respiratory and cardiovascular morbidity in Nicosia, Cyprus: the effect of short-term changes in air pollution and dust storms

 

Percentage increase (and 95% CI) per 10 μg/m3 increase in PM10 1

 

Cold months2

Warm months3

P-value for effect modification

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

  1. 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.