Table 4 Multiple logistic regression analysis of risk factors for outcome variable Asthma Predictive Index at age 3 years

Colonisation with Bacteroides fragilis at the age of 3 weeks (yes versus no)

4,4

1,7 – 11,8

0,003

Exclusive breastfeeding age below the age of 3 weeks (yes versus no)

2,0

0,6 – 6,1

0,250

Maternal smoking during pregnancy (yes versus no)

2,1

0,3 – 14,1

0,436

Infant use of antibiotics below the age of 3 weeks (yes versus no)

7,6

0,4 – 157,6

0,189

Parental socioeconomic status (low versus high)

0,9

0,3 – 2,4

0,825

Infant gender (male versus female)

0,6

0,2 – 1,7

0,367