Table 2 Percent increases for 10 ppb increase in ozone by season, month, and age groups.
From: Is there adaptation in the ozone mortality relationship: A multi-city case-crossover analysis
% | 95% C.I. | ||
|---|---|---|---|
by season | |||
Winter | -0.13 | -0.56 | 0.29 |
Spring | 0.35 | 0.16 | 0.54 |
Summer | 0.50 | 0.38 | 0.62 |
Autumn | 0.05 | -0.14 | 0.24 |
by month | |||
May | 0.48 | 0.28 | 0.68 |
June | 0.46 | 0.24 | 0.68 |
July | 0.65 | 0.47 | 0.82 |
August | 0.28 | 0.11 | 0.46 |
September | -0.09 | -0.35 | 0.16 |
by age group | |||
0–20 | 0.08 | -0.42 | 0.57 |
21–30 | 0.10 | -0.67 | 0.87 |
31–40 | 0.07 | -0.38 | 0.52 |
41–50 | 0.08 | -0.27 | 0.43 |
51–60 | 0.54 | 0.19 | 0.89 |
61–70 | 0.38 | 0.16 | 0.61 |
71–80 | 0.50 | 0.32 | 0.67 |
> 80 | 0.29 | 0.13 | 0.44 |