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. Author manuscript; available in PMC: 2014 Apr 9.
Published in final edited form as: Environ Res. 2013 Jan 15;122:74–80. doi: 10.1016/j.envres.2012.12.008

Table 3.

Multivariable analysis for asthma outcomes

Variable Physician-diagnosed
asthma
Physician-diagnosed
asthma or medication
for wheeze
OR(95%
CI)
p OR(95%
CI)
p
Erelative 1.51 (1.08–2.09) 0.014 1.38 (1.04–1.81) 0.023
Age (year) 1.09 (1.02–1.18) 0.009 * *
Diagnosed allergies 4.71 (2.49–8.92) <0.001 3.58 (2.05–6.25) <0.001
Male gender 3.27 (1.53–6.97) 0.002 1.67 (1.04–2.70) 0.035
Parental history of asthma 3.27 (1.04–10.25) 0.041 * *
Premature birth 4.04 (1.71–9.50) 0.001 1.95 (0.93–4.07) 0.078
Respiratory illness before 2 years 5.83 (3.00–11.32) <0.001 8.52 (5.15–14.10) <0.001
*

Variable not selected through backwards regression