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Table 2 Characteristics of responders reporting physician-diagnosed asthma classified as allergic or non-allergic

From: Age-specific incidence of allergic and non-allergic asthma

  Responders with physician-diagnosed asthma and allergic rhinitisResponders with physician-diagnosed asthma without allergic rhinitisp-value
TotalN (%)230 (51.7)215 (48.3) 
AgeaYears44 (32–59)58 (39–66)< 0.001
FemaleN (%)137 (59.6)116 (54.0)0.25
BMIakg/m225.7 (23.2–29.6)27.4 (23.8–31.5)0.046
Smoking statusN (%)  0.034
 Current 42 (18.3)46 (21.4) 
 Ex 67 (29.1)82 (38.1) 
 Never 121 (52.6)87 (40.5) 
Allergic rhinitisN (%)   
 Allergic rhinitis due to pollen only 64 (27.8)  
 Allergic rhinitis due to non-pollen only 35 (15.2)  
 Allergic rhinitis due to pollen and non-pollen 131 (57.0)  
Age at asthma diagnosisaYears19 (7–33)35 (18–50)< 0.001
  1. apresented as median (IQR)