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Table 3 Odds ratio (95 %CI) of childhood pneumonia for exposure to outdoor DTV during different timing-windows(n = 1,510)

From: Preconceptional and prenatal exposure to diurnal temperature variation increases the risk of childhood pneumonia

 

Crude OR

Adjusted model Ia

Adjusted model IIb

Preconceptional

 3 months before conception

1.40 (1.22, 1.61)***

1.98 (1.67, 2.34)***

1.15 (0.91, 1.46)

 1 year before conception

1.86 (1.48, 2.32)***

10.21 (7.08, 14.71)***

2.53 (1.56, 4.10)***

Prenatal

 1st trimester

1.72 (1.50, 1.97)***

2.30 (1.94,2.72)***

1.63 (1.32, 2.00)***

 2nd trimester

1.99 (1.71, 2.33)***

2.55 (2.12,3.07)***

1.43 (1.12, 1.81)**

 3rd trimester

1.88 (1.62, 2.18)***

2.29 (1.91,2.73)***

1.20 (0.96, 1.51)

 Entire pregnancy

4.45 (3.52, 5.6)***

8.36 (6.21,11.27)***

1.85 (1.24, 2.76)**

  1. OR (95% CI) was estimated by 1°C increase in outdoor DTV during each time window.
  2. aModel I was adjusted for the covariates in Table 1.
  3. bModel II was further adjusted for outdoor air pollution exposure during each time window based on model I.
  4. * p≤0.05.
  5. ** p≤0.01.
  6. *** p≤0.001
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BMC Pediatrics

ISSN: 1471-2431

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