### 1

TABLE 3. RATE RATIOS AND 95% CONFIDENCE INTERVALS FOR

QUINTILES OF THREE

- DAY MOVING AVERAGE POPULATION

- WEIGHTED

AMBIENT AIR POLLUTANT CONCENTRATIONS

Warm Season RR (95% CI)* Cold Season RR (95% CI)*

Ozone (ppb) †

Q2 (2 8.8 to < 39.0 ) 1.012 (0. 957, 1.071) 0.994 (0.963, 1.026)

Q3 (39.0 to < 49.2 ) 1.040 (0.979, 1.105) 1.055 (1.008, 1.105)

Q4 ( 49.2 to < 6 1.1 ) 1.056 (0.989, 1.127) 1.138 (1.069, 1.211)

Q5 ( 61.1 to ≤ 107.4 ) 1.106 (1.030, 1.187) 1.136 (1.022, 1.262)

Nitrogen dioxide (ppb) †

Q2 ( 1 6.7 to < 20.6 ) 1.047 (1.011, 1.084) 1.045 (1.005, 1.086)

Q3 ( 20.6 to < 24.3 ) 1.057 (1.019, 1.096) 1.035 (0.994, 1.077)

Q4 ( 24.3 to < 29.3 ) 1.0 66 (1.024, 1.110) 1.018 (0.976, 1.061)

Q5 ( 29.3 to ≤ 55.2 ) 1.098 (1.048, 1.151) 1.035 (0.990, 1.082)

Carbon monoxide (ppm) †

Q2 (0. 58 to < 0. 75 ) 1.013 (0.979, 1.048) 0.999 (0.996, 1.033)

Q3 ( 0.75 to < 0.94 ) 1.084 (1.043, 1.127) 1.043 (1.006, 1.080)

Q4 ( 0.94 to < 1.23 ) 1.058 (1.010, 1.107) 1.000 (0.964, 1.038)

Q5 (1.23 to ≤ 2.8 1 ) 1.130 (1.067, 1.196) 1.015 (0.974, 1.058)

Sulfur dioxide (ppb) †

Q2 ( 5.1 to < 7.9 ) 1.001 (0.970, 1.034) 0.980 (0.945, 1.017 )

Q3 (7.9 to < 11.0 ) 1.035 (1.001, 1.070) 1.008 (0.973, 1.045)

Q4 (11.0 to < 15 .8 ) 1.032 (0.994, 1.070) 0.997 (0.960, 1.035)

Q5 (15.8 to ≤ 49.5 ) 1.033 (0.987, 1.082) 1.000 (0.960, 1.042)

PM 10 (μg/m 3 ) †

Q2 ( 15.9 to < 2 0.4 ) 1.022 (0.974, 1.072) 0.991 (0.961, 1.022)

Q3 (20.4 to < 25.0 ) 1.016 (0.968, 1.066) 0.993 (0.959, 1.028)

Q4 (25.0 to < 31.2 ) 1.014 (0.966, 1.064) 1.021 (0.981, 1.062)

Q5 (32.2 to ≤ 73.8 ) 1.067 (1.013, 1.124) 1.052 (1.000, 1.1 07)

PM 10

- 2.5 (μg/m 3 ) 

### 

Q2 (5.9 to < 7.6 ) 0.975 (0.924, 1.028) 0.972 (0.930, 1.012)

Q3 (7.6 to < 9.5 ) 0.986 (0.934, 1.040) 1.006 (0.960, 1.054)

Q4 (9.5 to < 11.7 ) 0.964 (0.909, 1.022) 1.045 (0.996, 1.097)

Q5 (11.7 to ≤ 31.8 ) 1.005 (0.942, 1.072) 1.075 (1.015, 1.139)

PM 2.5 (μg/m 3 ) ‡

Q2 (11 .1 to < 14.0 ) 0.986 (0.937, 1.038) 1.003 (0.971, 1.037)

Q3 (14.0 to < 16.6 ) 1.027 (0.976, 1.080) 0.992 (0.956, 1.030)

Q4 (16.6 to < 21.1 ) 1.020 (0.970, 1.07 3) 1.017 (0.974, 1.062)

Q5 (21.1 to ≤ 53.7 ) 1.044 (0.989, 1.103) 1.045 (0.986, 1.108)

PM 2.5 sulfate (μg/m 3 ) ‡

Q2 (2.4 to < 3.4 ) 0.974 (0.908, 1.044) 0.988 (0.955, 1.022)

Q3 (3.4 to < 4.5 ) 0.974 (0.913, 1.040) 1.031 (0.992, 1.072)

Q4 (4.5 to < 6.4 ) 1.022 (0.956, 1.093) 1.016 (0.963, 1.072)

Q5 (6.4 to ≤ 18.3 ) 1.026 (0.955, 1.101) 0.997 (0.922, 1.077)

PM 2.5 elemental carbon (μg/m 3 ) ‡

Q2 (0.45 to < 0.67 ) 1.036 (0.993, 1.082) 1.001 (0.963, 1.041)

Q3 (0.67 to < 0.88 ) 1.027 (0.979, 1.077) 1.021 (0.977, 1.068)

Q4 (0.88 to < 1.18 ) 1.088 (1.030, 1.150) 1.004 (0.957, 1.053)

Q5 (1.18 to ≤ 4.85 ) 1.109 (1.043, 1.180) 1.003 (0.952, 1.056)

PM 2.5 organic carbon (μg/m 3 ) ‡

Q2 (2.9 to < 3. 8 ) 1.026 (0.978, 1.07 6) 1.010 (0.971, 1.052)

Q3 (3. 8 to < 4. 9 ) 1.105 (1.054, 1.158) 1.003 (0.961, 1.048)

Q4 (4. 9 to < 6.4 ) 1.121 (1.066, 1.178) 0.987 (0.945, 1.032)

Q5 ( 6.4 to ≤ 37.8 ) 1.104 (1.045, 1.165) 1.011 (0.966, 1.058)

PM 2.5 water

- soluble met als (μg/m 3 ) ‡

Q2 (0.0149 to < 0.0213 ) 1.026 (0.946, 1.112) 0.992 (0.953, 1.032)

Q3 (0.0213 to < 0.0295 ) 1.081 (0.999, 1.170) 1.004 (0.958, 1.053)

Q4 (0.0295 to < 0.04 30 ) 1.113 (1.026, 1.206) 1.036 (0.978, 1.096)

Q5 (0.04 30 to ≤ 0.1717 ) 1.119 (1.028, 1.218) 1.009 (0.934, 1.090)



### *Relative to the first quintile (concentrations less than the lower bound of the second quintile)

† Measurements available January, 1993

– December, 2004

‡ Measurements available August, 1998

– Dec ember, 2 0 04

 Measurements available January , 199 6

– December, 20 0 4