Table 2.
Change in CCFM Score per IQR Increase in Ambient Air Pollutants over 1–7 year Moving Average Exposuresa
| PM2.5b (n=3374) | NO2c (n=2106) | |||||
|---|---|---|---|---|---|---|
| Bivariated | Basee | Fully Adjusted f | Bivariated | Basee | Fully Adjustedf | |
| 1 year | −1.10 (−1.35, −0.85) | −0.27 (−0.47, −0.07)* | −0.22 (−0.44, −0.01)* | −0.41 (−0.67, −0.15)* | −0.06 (−0.24, 0.12) | −0.13 (−0.34, 0.08) |
| 2 years | −1.11 (−1.35, −0.87) | −0.23 (−0.43,−0.04)* | −0.22 (−0.42, −0.01)* | −0.47 (−0.68, −0.26)* | −0.13 (−0.29, 0.04) | −0.26 (−0.45, −0.06)* |
| 3 years | −1.00 (−1.23, −0.78) | −0.21 (−0.40, −0.03)* | −0.21 (−0.40, −0.02)* | −0.43 (−0.64, −0.22)* | −0.13 (−0.30, 0.03) | −0.27 (−0.46, −0.07)* |
| 4 years | −0.95 (−1.17, −0.73) | −0.23 (−0.41, −0.05)* | −0.22 (−0.40, −0.04)* | −0.42 (−0.63, −0.21)* | −0.14 (−0.31, 0.02) | −0.29 (−0.48, −0.09)* |
| 5 years | −0.96 (−1.19, −0.74) | −0.25 (−0.43, −0.07)* | −0.23 (−0.42, −0.05)* | −0.49 (−0.70, −0.27)* | −0.17 (−0.34, −0.01)* | −0.32 (−0.52, −0.12)* |
| 6 years | −0.95 (−1.17, −0.73) | −0.26 (−0.43, −0.08)* | −0.24 (−0.42, −0.06)* | −0.50 (−0.73, −0.28)* | −0.18 (−0.35, −0.00)* | −0.33 (−0.54, −0.12)* |
| 7 years | −0.95 (−1.18, −0.73) | −0.27 (−0.45, −0.08)* | −0.25 (−0.43, −0.06)* | −0.48 (−0.71, −0.25)* | −0.15 (−0.32, 0.03) | −0.27 (−0.48, −0.07)* |
a
Contains participants in Wave 2 who completed CCFM cognitive test
b
PM2.5 1yr IQR=4.25 ug/m3, 2yr IQR=4.03 ug/m3, 3 yr IQR=3.93 ug/m3, 4 yr IQR=3.99 ug/m3, 5yr IQR=4.10 ug/m3, 6 yr IQR=4.18 ug/m3, 7 yr IQR=4.33 ug/m3
c
NO2 1yr IQR=8.37 ppb, 2yr IQR =6.66 ppb, 3 yr IQR=6.68 ppb, 4 yr IQR=6.90 ppb, 5 yr IQR=6.99 ppb, 6 yr IQR=7.28 ppb, 7yr IQR=7.42 ppb
d
Bivariate analysis includes pollutants only
e
Base model includes adjustment for gender, age, race/ethnicity, education
f
Fully adjusted model includes adjustment for gender, age, race/ethnicity, education, season, smoking, region, median household income of census tract
*
p<0.05