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Table 3 Specific factors of relevant factors

From: Risk factors analysis of attention deficit/hyperactivity disorder and allergic rhinitis in children: a cross-sectional study

Factor Assignment description
gender Male = 1, female = 0
Age 6 years old = 1, 7 years old = 2 … .12 years old = 7
Family history Yes = 1, No = 0
AR duration in 1 year ≤1 month = 1, 1~3 months = 2, 3~6 months = 3, 6~9 months = 4, 9~12 months = 5
Skin index + = 1, ++ = 2, +++ = 3, ++++ = 4
Allergen species Simple = 0, mixed = 1
Other allergic diseases No merge = 0, merge =1
Nasal symptom score < 1 = 1,1- = 2,2- = 3, … 5- = 6
Ocular symptoms score < 1 = 1,1- = 2,2- = 3, … 5- = 6
Behavioral problem score < 1 = 1,1- = 2,2- = 3, … 5- = 6
Non-eye and nose symptoms score < 1 = 1,1- = 2,2- = 3, … 5- = 6
Activity and sleep score < 1 = 1,1- = 2,2- = 3, … 5- = 6