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Table 4 Risk of asthma ever among offspring by maternal socioeconomic status (SES)

From: Maternal socioeconomic status and the risk of asthma among offspring

SES

Total n(%)

Asthma n(%)

OR(95% CI)

p value

aOR(95% Cl)*

p value

Upper white-collar worker

5734(14.3)

359(6.3)

1

 

1

 

Lower white-collar worker

14 763(36.8)

973(6.6)

1.06(0.93-1.20)

0.390

1.02(0.89-1.16)

0.816

Blue-collar worker

8 005(20.0)

477(6.0)

0.95(0.82-1.09)

0.465

1.01(0.86-1.17)

0.950

Other

9292(23.2)

595(6.4)

1.02(0.90-1.17)

0.728

1.02(0.88-1.18)

0.776

Missing

2324(5.8)

114(4.9)

0.77(0.62-0.96)

0.019

0.42(0.32-0.54)

<0.001

Total

40118(100)

2518(6.3)

    
  1. p value in adjusted analysis obtained from the trend test(Wald) in logistic regression models.
  2. *Adjusted for maternal factors (asthma,hypertension, parity and ART), parental smoking and neonatal factors (sex, gestational age at birth, mode of delivery and the onset of asthma or among controls the followup time).