Table 4.
Sensitivity analyses of ORs (95% CIs) of BMI-defined obesity associated with each 10 μg/m3 increase in the 6 air pollutants.
| SO2 | NO2 | O3 | PM1 | PM2.5 | PM10 | |
|---|---|---|---|---|---|---|
| BMI-defined obesity | ||||||
| Main analysesa | 1.21 (1.17, 1.26) | 1.33 (1.26, 1.40) | 1.15 (1.10, 1.21) | 1.38 (1.29, 1.48) | 1.19 (1.15, 1.22) | 1.11 (1.10, 1.13) |
| Additional adjustment for | ||||||
| Personal histories of hypertension and diabetes | 1.20 (1.16, 1.25) | 1.30 (1.23, 1.37) | 1.14 (1.09, 1.20) | 1.36 (1.27, 1.46) | 1.17 (1.14, 1.21) | 1.11 (1.09, 1.12) |
| Meteorological factors including temperature and relative humidity | 1.12 (1.07, 1.18) | 1.29 (1.21, 1.37) | 1.07 (1.02, 1.13) | 1.58 (1.44, 1.74) | 1.19 (1.15, 1.23) | 1.12 (1.10, 1.15) |
| Restricted to | ||||||
| Those at the current residence >3 years | 1.22 (1.17, 1.27) | 1.33 (1.26, 1.40) | 1.15 (1.10, 1.21) | 1.40 (1.31, 1.51) | 1.19 (1.16, 1.22) | 1.11 (1.10, 1.13) |
| Those without personal histories of cardiac events or stroke | 1.23 (1.18, 1.29) | 1.34 (1.27, 1.42) | 1.16 (1.10, 1.23) | 1.47 (1.35, 1.59) | 1.19 (1.16, 1.23) | 1.12 (1.10, 1.14) |
| Completely adjusted | 1.13 (1.06, 1.19) | 1.25 (1.16, 1.34) | 1.08 (1.02, 1.14) | 1.54 (1.38, 1.72) | 1.17 (1.12, 1.22) | 1.11 (1.08, 1.14) |
| Central obesity | ||||||
| Main analysesa | 1.25 (1.22, 1.29) | 1.44 (1.39, 1.50) | 1.17 (1.13, 1.21) | 1.44 (1.37, 1.52) | 1.22 (1.19, 1.24) | 1.13 (1.12, 1.15) |
| Additional adjustment for | ||||||
| Personal histories of hypertension and diabetes | 1.25 (1.21, 1.29) | 1.42 (1.37, 1.48) | 1.17 (1.13, 1.21) | 1.43 (1.36, 1.51) | 1.21 (1.19, 1.24) | 1.13 (1.11, 1.14) |
| Meteorological factors including temperature and relative humidity | 1.14 (1.10, 1.19) | 1.41 (1.35, 1.48) | 1.08 (1.05, 1.12) | 1.62 (1.51, 1.73) | 1.21 (1.18, 1.24) | 1.14 (1.12, 1.16) |
| Restricted to | ||||||
| Those at the current residence >3 years | 1.26 (1.22, 1.29) | 1.44 (1.39, 1.50) | 1.18 (1.14, 1.22) | 1.46 (1.39, 1.53) | 1.22 (1.19, 1.24) | 1.13 (1.12, 1.15) |
| Those without personal histories of cardiac events or stroke | 1.27 (1.23, 1.31) | 1.45 (1.39, 1.51) | 1.18 (1.14, 1.22) | 1.51 (1.43, 1.60) | 1.22 (1.20, 1.25) | 1.13 (1.12, 1.15) |
| Completely adjusted | 1.16 (1.11, 1.21) | 1.37 (1.30, 1.44) | 1.09 (1.05, 1.13) | 1.53 (1.42, 1.65) | 1.19 (1.15, 1.22) | 1.12 (1.10, 1.15) |
a Main analyses: adjusted for gender, age, educational attainment, smoking status, drinking status and indoor fuel use.
SO2, sulfur dioxide; NO2, nitrogen dioxide; O3, ozone; PM1, particulate matter with aerodynamic diameters of ≤1 μm; PM2.5, particulate matter with aerodynamic diameters of ≤ 2.5 μm; PM10, particulate matter with aerodynamic diameters of ≤ 10 μm.