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Table 2 Factors associated with the 5-year cumulative incidence of asthma and incidence of rhinitis in eczema patients aged 1–2 years in Sweden

From: Eczema in early childhood is strongly associated with the development of asthma and rhinitis in a prospective cohort

Risk factor at baseline Incidence of asthma (N = 2063) Incidence of rhinitis (N = 2751)
  Adjusted odds ratio* (95% confidence interval) P-value Adjusted odds ratio* (95% confidence interval) P-value
Eczema at baseline     <0.001
No 1.0 <0.001 1.0  
Yes 3.07 (1.79-5.27)   2.63 (1.85-3.73)  
Gender     0.006
Female 1.0 0.003 1.0  
Male 2.20 (1.30-3.72)   1.59 (1.14- 2.23)  
Age of the child     0.290
12-23 month 1.0 0.340 1.0  
24-35 month 0.78 (0.47-1.30)   0.84 (0.60-1.16)  
Parental history of allergic disease &     <0.001
No parent with allergic disease 1.0 <0.001 1.0  
Parent(s) with history of allergic disease 1.83 (1.29-2.60)   2.00 (1.59-2.51)  
Asthma in the child     <0.001
No -- -- 1.0  
Yes    2.80 (1.66-4.70)  
Breastfeeding &&     0.446
Breastfeeding longer than 6 month 1.0 0.044 1.0  
Breastfeeding up to 6 month 1.57 (1.03-2.39)   1.13 (0.83-1.54)  
Number of bedrooms with PVC     0.106
No PVC in bedroom 1.0 0.288 1.0  
PVC in one bedroom 1.36 (0.65-2.83)   1.60 (1.02- 2.51)  
PVC in two bedrooms 1.57 (0.89-2.78)   1.30 (0.90-1.90)  
Type of dwelling     0.546
Single family house 1.0 0.605 1.0  
Multi family house 1.21 (0.60-2.44)   1.15 (0.73-1.81)  
Smoking by parents     0.707
No 1.0 0.810 1.0  
Yes 0.92 (0.47-1.79)   0.92 (0.60-1.42)  
Number of adults living with the child     0.942
Two or more 1.0 0.208 1.0  
One 0.43 (0.10-1.81)   1.03 (0.50-2.11)  
  1. *Adjusted by logistic regression for all other variables listed in the table.
  2. &linear effect aOR, with reference category no parent; other categories one parent, and two parents.
  3. && linear effect aOR, with reference category longer than 6 months; other categories up to 6 months, and no breastfeeding.
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