Table 5

Mutually adjusted independent risk factors associated with being a case in the multiple regression analysis

Risk factor Adjusted odds ratio 95% confidence intervals p value
Place of residence
 Urban3.461.48 to 8.060.004
 Saudi2.090.94 to 4.650.07
 Male0.630.32 to 1.320.17
Mother's education
 Primary0.300.11 to 0.77
 Secondary0.540.21 to 1.42
 Higher0.450.22 to 0.920.04
Family history of asthma/allergy
 Yes9.224.93 to 17.24<0.001
Positive skin test
 Yes4.392.34 to 8.23<0.001