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Table 4 Crude and adjusted odds ratios for respiratory health outcomes according to low birth weight and preterm delivery.

From: Prenatal and postnatal tobacco smoke exposure and respiratory health in Russian children

Health outcome

Preterm delivery ( < 37 weeks)

Low birth weight ( < 2500 g)

 

Crude OR (95% CI)

Adjusted 1 OR (95% CI)

Crude OR (95% CI)

Adjusted 1 OR (95% CI)

Doctor diagnosed asthma

    

Ever

1.80

(1.06 – 3.04)

1.96

(1.14 – 3.35)

1.73

(0.92 – 3.27)

1.88

(0.98 – 3.59)

Current

1.83

(1.00 – 3.34)

1.95

(1.06 – 3.62)

1.93

(0.95 – 3.89)

2.05

(0.99 – 4.22)

Asthma like symptoms

1.47

(1.13 – 1.90)

1.48

(1.14 – 1.93)

1.38

(1.00 – 1.90)

1.43

(1.03 – 1.99)

Wheezing

    

Ever without cold

1.54

(0.99 – 2.40)

1.62

(1.04 – 2.54)

1.67

(1.00 – 2.79)

1.76

(1.04 – 2.96)

Current

1.28

(1.00 – 1.63)

1.30

(1.01 – 1.66)

1.19

(0.88 – 1.62)

1.24

(0.91 – 1.69)

Cough

    

Ever

1.38

(1.14 – 1.67)

1.38

(1.13 – 1.68)

1.22

(0.96 – 1.56)

1.27

(0.99 – 1.62)

Persistent

1.78

(1.28 – 2.46)

1.86

(1.34 – 2.59)

1.66

(1.12 – 2.48)

1.72

(1.15 – 2.58)

Phlegm

    

Ever

1.21

(0.87 – 1.68)

1.23

(0.88 – 1.71)

1.15

(0.76 – 1.73)

1.18

(0.78 – 1.78)

Persistent

2.52

(1.47 – 4.34)

2.73

(1.57 – 4.76)

2.13

(1.09 – 4.16)

2.26

(1.14 – 4.47)

Doctor diagnosed bronchitis ever

1.50

(1.24 – 1.81)

1.55

(1.28 – 1.88)

1.53

(1.22 – 1.93)

1.63

(1.29 – 2.06)

Current bronchitis

1.49

(1.12 – 1.97)

1.52

(1.14 – 2.02)

1.28

(0.89 – 1.84)

1.32

(0.91 – 1.92)

Respiratory infections

    

Upper respiratory infection

1.10

(0.89 – 1.36)

1.11

(0.89 – 1.38)

1.06

(0.81 – 1.38)

1.06

(0.81 – 1.39)

Severe upper respiratory infection

1.22

(1.00 – 1.48)

1.21

(0.99 – 1.48)

1.01

(0.79 – 1.30)

1.01

(0.79 – 1.30)

Allergy

    

Any

1.01

(0.84 – 1.21)

1.04

(0.86 – 1.26)

0.78

(0.62 – 0.99)

0.78

(0.61 – 0.99)

Respiratory

1.13

(0.83 – 1.55)

1.14

(0.83 – 1.57)

0.93

(0.62 – 1.40)

0.94

(0.62 – 1.41)

  1. 1 – Odds ratios adjusted for study area, age, gender, mother's education, parental asthma, maternal smoking during pregnancy.
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Respiratory Research

ISSN: 1465-993X

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