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Table 4 Local level risk factors of allergic rhinitis: results of multiple logistic regression analysis

From: Prevalence and risk factors of childhood allergic diseases in eight metropolitan cities in China: A multicenter study

Variables   Shanghai OR
(95% CI)
Guangzhou OR
(95% CI)
Xi'an OR
(95% CI)
Wuhan OR
(95% CI)
Chengdu OR
(95% CI)
Harbin OR
(95% CI)
Hohhot OR
(95% CI)
Urumqi OR
(95% CI)
Gender Female (Ref.)         
  Male 15
(13-19)
13
(11-16)
  15
(10-22)
23
(17-31)
  24
(15-31)
 
Age   12
(11-12)
   12
(11-13)
   13
(11-14)
12
(11-13)
Exclusive breast feeding > = 4 months 08
(06-09)
   06
(04-09)
    
Diagnosed childhood ADHD Yes    31
(12-82)
   34
(18-62)
  
Household income per capita > = 1500RMB/month 15
(11-20)
    14
(11-18)
17
(11-24)
  
Maternal education level > = High school graduate 15
(12-19)
      24
(16-36)
 
Paternal education level > = High school graduate     18
(12-27)
    19
(14-26)
Paternal education level *Household income per capita > = High school graduate and > = 1500RMB/month       1.9
(1.3,2.8)
  
Common cold >5 times/year 23
(18-28)
32
(26-40)
35
(19-66)
27
(18-41)
23
(17-31)
16
(11-26)
  17
(12-24)
Diagnosed recurrent otitis media Yes 20
(13-30)
23
(16-34)
54
(19-162)
33
(17-67)
25
(16-39)
31
(16-58)
  
Snoring Yes 16
(12-20)
19
(14-24)
  24
(15-37)
  17
(10-29)
  
Sleep-disordered breathing Yes 24
(15-39)
  70
(25-196)
23
(11-46)
  29
(14-62)
23
(11-51)
 
Paternal snoring Yes   14
(11-18)
      14
(10-19)
Maternal snoring Yes        27
(13-56)
 
Parental age at child's birth      11
(10-13)
    
Maternal age at child's birth   10
(10-11)
       
Diagnosed asthma Yes 51
(39-68)
36
(22-59)
  48
(25-92)
51
(34-17)
33
(13-81)
64
(22-182)
29
(12-67)
Diagnosed eczema Yes 15
(11-21)
19
(13-29)
   25
(15-40)
  39
(22-69)
18
(11-31)
Common cold*Snoring Yes 2.4
(1.4,3.9)
       
  1. Values highlighted in bold indicate OR within 95% CI and statistically significant at P < 0∙05.