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. 2020 Mar 13;10(3):164. doi: 10.3390/brainsci10030164

Table 6.

Interactions between pollution (µg/m3) and self-rated overall health concerning total brain volume (mm3): unstandardized coefficients and 95% confidence intervals from linear Regression.

Gray Matter White Matter
b 95%CI b 95%CI
PM2.5
 Pollutant −642 −2986, 1701 −68 −2616, 2480
 Overall Health 1839 −5806, 9484 2114 −6200, 10,428
 Interaction −6 −770, 759 −171 −1002, 660
PM2.5 to 10
 Pollutant 1162 −1538, 3862 −2984 * −5920, −48
 Overall Health 5626 −48, 11,300 −6230 * −12,400, −60
 Interaction −600 −1480, 281 1044 * 87, 2002
PM10
 Pollutant 198 −1090, 1486 −1242 −2643, 160
 Overall Health 5688 −1103, 12,479 −6109 −13,496, 1278
 Interaction −243 −663, 177 408 −50, 865
Nitrogen Dioxide
 Pollutant −159 −502, 184 −90 −463, 283
 Overall Health 1289 −1742, 4321 255 −3042, 3552
 Interaction 19 −93, 131 6 −116, 128
Nitrogen Oxides
 Pollutant 9 −155, 173 −49 −227, 129
 Overall Health 2517 * 43, 4991 87 −2603, 2777
 Interaction −17 −71, 37 8 −51, 66

Note: models include age, sex, race, education, income, overall health, BMI, smoking status and frequency of drinking alcohol. N = 18,292. Source: UK Biobank. * p < 0.05.