Table 3 HR (95% CI) of PM2.5 and its components (SO42-, NO3-) and overweight/obesity were calculated with SES as the stratification variable.
From: Exposure to PM2.5 and its components leads to obesity: role of socioeconomic status
SES | Pollutants | PM2.5 | SO42− | NO3− | |||
|---|---|---|---|---|---|---|---|
n(%) | HR (95% CI) | n(%) | HR (95% CI) | n(%) | HR (95% CI) | ||
Low | Q1 | 1309(45.06) | 1.075(0.969,1.193)a | 1420(46.18) | 1.338(1.207,1.484)*a | 1178(43.65) | 1.406(1.240,1.593)*a |
Q2 | 1387(47.79) | 0.882(0.816,0.953)* | 1278(46.74) | 1.002(0.926,1.084) | 1419(46.48) | 0.792(0.731,0.859)* | |
Q3 | 1295(47.11) | 1.088(0.999,1.065) | 1272(46.95) | 1.017(0.935,1.106) | 1559(48.22) | 0.706(0.651,0.766)* | |
Q4 | 1531(48.46) | 0.981(0.903,1.065) | 1552(48.55) | 1.040(0.959,1.128) | 1366(50.04) | 1.221(1.117,1.335)* | |
Medium | Q1 | 449(42.04) | 1.120(0.956,1.312)a | 488(42.25) | 1.311(1.121,1.533)*a | 499(42.18) | 1.746(1.461,2.085)*a |
Q2 | 508(43.49) | 1.123(0.928,1.361) | 468(43.13) | 1.492(1.229,1.812)* | 442(41.54) | 1.231(1.001,1.513)* | |
Q3 | 594(48.29) | 1.503(1.086,2081)* | 595(48.30) | 1.937(1.397,2.686)* | 501(47.22) | 1.839(1.274,2.656)* | |
Q4 | 483(45.01) | 1.477(0.917,2.378) | 483(45.27) | 2.243(1.394,3.610)* | 592(48.09) | 3.986(2.394,6.638)* | |
High | Q1 | 363(43.95) | 1.810(1.479,2.216)*a | 399(45.19) | 2.224(1.823,2.714)*a | 404(42.17) | 3.335(2.682,4.146)*a |
Q2 | 302(41.03) | 1.163(0.911,1.484) | 263(39.25) | 1.855(1.444,2.383)* | 254(39.81) | 1.847(1.434,2.377)* | |
Q3 | 377(46.89) | 2.508(1.647,3.819)* | 394(46.57) | 4.023(2.631,6.151)* | 245(46.05) | 5.048(3.227,7.896)* | |
Q4 | 273(49.28) | 3.991(2.193,7.262)* | 259(49.71) | 7.446(4.053,13.679)* | 412(52.02) | 25.326(13.551,47.331)* | |
