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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).