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Table 4 Associations of Monthly Ambient PM2.5 adjusted for NO2, O3 8-hrMax, and O3 24-h with Fasting Serum Cortisol in 203 Latino Children Enrolled in the SOLAR Study

From: Ambient air pollutants are associated with morning serum cortisol in overweight and obese Latino youth in Los Angeles

 

PM2.5 Unadjusted

PM2.5a

PM2.5 + NO2a

PM2.5 + O3 8-hMaxa

PM2.5 + O3 24-ha

Monthly Time Lag

β

95% CI

p-value

β

95% CI

p-value

β

95% CI

p-value

β

95% CI

p-value

β

95% CI

p-value

1-month

0.03

− 0.07, 0.13

0.58

0.04

−0.07, 0.15

0.46

0.07

−0.05, 0.18

0.24

0.02

−0.09, 0.13

0.75

0.03

−0.07, 0.14

0.54

2-month

−0.04

−0.14, 0.05

0.38

−0.03

− 0.15, 0.09

0.62

− 0.003

−0.13, 0.12

0.96

−0.06

− 0.18, 0.06

0.32

− 0.04

−0.16, 0.07

0.46

3-month

−0.1

−0.2, 0.01

0.08

−0.1

− 0.24, 0.04

0.15

− 0.06

− 0.21, 0.09

0.43

−0.1

− 0.23, 0.04

0.2

− 0.09

− 0.22, 0.04

0.19

4-month

−0.15

− 0.27, − 0.04

0.01

− 0.1

− 0.34, − 0.05

0.01

− 0.14

− 0.3, 0.03

0.1

− 0.16

− 0.31, − 0.02

0.03

− 0.16

− 0.31, − 0.02

0.03

5-month

− 0.19

− 0.31, − 0.08

0.001

− 0.24

− 0.39, − 0.1

0.001

− 0.18

− 0.35, − 0.02

0.03

− 0.21

− 0.36, − 0.05

0.01

− 0.21

− 0.36, − 0.06

0.01

6-month

− 0.22

− 0.35, − 0.1

0.001

− 0.26

− 0.41, − 0.11

0.001

− 0.2

− 0.37, − 0.03

0.02

− 0.23

− 0.38, − 0.07

0.01

− 0.23

− 0.38, − 0.07

0.004

7-month

− 0.25

− 0.39, − 0.1

0.001

− 0.27

− 0.43, − 0.12

0.001

− 0.21

− 0.4, − 0.03

0.02

− 0.24

− 0.41, − 0.08

0.004

− 0.24

− 0.41, − 0.08

0.004

8-month

− 0.3

− 0.46, − 0.12

0.001

− 0.32

− 0.5, − 0.13

0.001

− 0.26

− 0.47, − 0.05

0.02

− 0.29

− 0.49, − 0.1

0.004

− 0.29

− 0.48, − 0.1

0.003

9-month

− 0.3

− 0.5, − 0.1

0.003

− 0.31

− 0.52, − 0.1

0.004

− 0.25

− 0.48, − 0.02

0.04

− 0.29

− 0.51, − 0.07

0.01

− 0.29

− 0.5, − 0.08

0.01

10-month

− 0.27

− 0.47, − 0.06

0.01

− 0.26

− 0.48, − 0.04

0.02

− 0.2

− 0.44, 0.04

0.11

− 0.25

− 0.47, − 0.02

0.03

− 0.25

− 0.47, − 0.03

0.03

11-month

− 0.19

− 0.4, 0.02

0.08

− 0.18

− 0.41, 0.04

0.11

− 0.2

− 0.37, 0.13

0.35

− 0.17

− 0.39, 0.06

0.15

− 0.17

− 0.4, 0.05

0.13

12-month

− 0.17

− 0.38, 0.04

0.12

− 0.15

− 0.38, 0.08

0.2

− 0.08

− 0.33, 0.18

0.54

− 0.13

− 0.36, 0.1

0.26

− 0.14

− 0.36, 0.09

0.24

  1. NO2 Nitrogen dioxide, O3 Ozone 8-h maximum daily, PM2.5 Particulate matter with aerodynamic diameter < 2.5 μm, 95% CI 95% Confidence Interval; Results should be interpreted by original scaled variables
  2. aLinear regression models adjusted for a priori covariates of age, sex, pubertal status, total body fat percentage, social position, season (warm/cool)