Table 2.
Stratified analysis of percentage change in hs-CRP level with 10 μg/m3 increase in 3 year moving averages in each pollutant level.
| Characteristics | PM10 % (95% CI) |
PM2.5 % (95% CI) |
PM1 % (95% CI) |
NO2 % (95% CI) |
|---|---|---|---|---|
| Sex | p = 0.09 | p = 0.26 | p = 0.25 | p = 0.50 |
| • Male | 11.21 a (6.44, 16.18) |
13.73 (7.21, 20.64) |
9.76 (5.68, 14.01) |
10.16 (4.86, 15.73) |
| • Female | 12.58 a (7.65, 17.75) |
16.06 (9.53, 22.98) |
9.71 (5.73, 13.85) |
11.91 (96.56, 17.52) |
| Smoking | p = 0.11 | p = 0.34 | p = 0.35 | p = 0.52 |
| • Yes | 7.22 b (2.2, 12.67) |
7.81 (0.53, 15.63) |
6.56 (1.86, 11.49) |
3.53 (−2.48, 9.92) |
| • No | 14.29 b (9.75, 19.01) |
17.95 (11.99, 24.24) |
10.76 (7.18, 14.46) |
14.07 (9.29, 19.06) |
| Age | p = 0.02 | p = 0.03 | p = 0.68 | p = 0.34 |
| • ≤65 years | 11.34 c (6.93, 15.93) |
13.41 (7.59, 19.54) |
10.67 (7.13, 14.33) |
11.69 (6.97, 16.63) |
| • >65 years | 13.78 c
(8.07, 19.80) |
19.22 (11.26, 27.75) |
9.89 (4.93, 15.08) |
11.70 (5.25, 18.55) |
| Income | p = 0.08 | p = 0.49 | p < 0.001 | p = 0.06 |
| • ≤20,000 CNY | 9.57 d
(4.58, 14,80) |
10.35 (3.47, 17.68) |
7.56 (3.62, 11.64) |
5.46 (0.20, 10.99) |
| • >20,000 CNY | 6.33 d (0.59, 12.39) |
9.55 (1.34, 18.42) |
8.38 (3.46, 13.53) |
9.19 (2.37, 16.49) |
PM10 = particulate matter with a diameter of 10 μm or less, PM2.5 = with a diameter of 2.5 μm or less, PM1 = particulate matter with a diameter of 1 μm or less, NO2 = nitrogen dioxide. a Adjusted for age, BMI, tobacco use, physical activity, education level, fruit and vegetable intake, alcohol use, type of fuel used home, household annual income, location of residence (urban/rural). b Adjusted for age, sex, BMI, physical activity, education level, fruit and vegetable intake, alcohol use, type of fuel used at home, household annual income, and location of residence (urban/rural). c Adjusted for sex, BMI, tobacco use, physical activity, education level, fruit and vegetable intake, alcohol use, type of fuel used at home, household annual income, and location of residence (urban/rural). d Adjusted for age, sex, BMI, tobacco use, physical activity, education level, fruit and vegetable intake, alcohol use, type of fuel used at home, and location of residence (urban/rural).