Table 5 Comparison of AD in the no GBS-IAP received population. After removing the GBS-IAP factor from the overall population cohort, cesarean section had no effect on the outcome of AD compared with vaginal delivery

Mother’s age

0.011

0.421

0.516

1.011

0.978

1.044

Breast feeding

8.826

0.012

Artificial feeding

0.540

1.534

0.215

1.717

0.730

4.036

Mixed feeding

0.392

7.898

0.005

1.480

1.126

1.945

Weight of birth

0.203

1.963

0.161

1.225

0.922

1.626

Mothers without allergic history

Mothers with allergic history

0.720

16.738

0.000

2.055

1.455

2.901

No keeping pets

Keeping pets

0.268

4.348

0.037

1.308

1.016

1.683

One child

Second child and more

0.053

0.144

0.705

1.055

0.800

1.390

Vaginal delivery

Cesarean section

0.131

1.074

0.300

1.140

0.890

1.460

Gestational age

0.020

0.104

0.747

1.021

0.901

1.156

BMI

-0.055

2.299

0.129

0.947

0.882

1.016

No smoking

Smoking

-0.237

0.978

0.323

0.789

0.493

1.262

No antibiotics used within 72 h

Antibiotics used within 72 h

0.552

8.154

0.004

1.737

1.189

2.538