Characteristics of patients Characteristics of patients Asthma severity Odds ratio (95% CI) P value
All patients All patients Non-severe asthma 1 [Reference]
Severe asthma 1.56 (1.49-1.64) <.001
Subgroup analysis Subgroup analysis
Age Children (<12 years) Non-severe asthma 1 [Reference]
Severe asthma 1.63 (1.55-1.71) <.001
Adolescents (≥12, <18 years) Non-severe asthma 1 [Reference]
Severe asthma 1.00 90.81-1.23) 0.970
Gender Male Non-severe asthma 1 [Reference]
Severe asthma 1.59 (1.49-1.70) <.001
Female Non-severe asthma 1 [Reference]
Severe asthma 1.53 (1.42-1.64) <.001
Insurance type Health insurance Non-severe asthma 1 [Reference]
Severe asthma 1.56 (1.49-1.64) <.001
Medical aid Non-severe asthma 1 [Reference]
Severe asthma 1.45 (0.99-2.12) 0.057