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Table 3 Common risk factors among subjects with adult eczema and EAH by multivariate logistic regression

From: Prevalence of adult eczema, hay fever, and asthma, and associated risk factors: a population-based study in the northern Grassland of China

Variable Eczema EAH
OR 95% CI P value OR 95% CI P value
Age (years), quartile       
 1 (18–37) 1 1 1 1
 2 (38–47) 1.57 1.00–2.46 0.052 0.80 0.37–1.74 0.579
 3 (48–60) 1.58 1.01–2.48 0.044 0.91 0.42–1.98 0.810
4 ( 60) 1.36 0.88–2.10 0.169 1.46 0.64–3.33 0.357
Residence       
 Rural 1 1 1 1
 Urban 1.39 1.01–1.92 0.045 1.27 0.71–2.27 0.423
Education level       
 Low 1 1 1 1
 Medium 2.49 1.54–4.04 < 0.001 3.31 1.83–5.98 < 0.001
 High 1.45 0.96–2.19 0.078 5.38 2.04–14.18 < 0.001
AFIa, quartile       
 1 (0–2) 1 1 1 1
 2 (3–4) 1.20 0.80–1.81 0.386 0.90 0.46–1.76 0.747
 3 (5–7) 1.14 0.77–1.67 0.520 1.78 0.89–3.54 0.104
4 (≥ 8) 1.15 0.80–1.64 0.450 1.46 0.82–2.59 0.199
Family history       
 No 1 1 1 1
 Yes 1.39 1.06–1.82 0.017 2.10 1.33–3.34 0.002
Antibiotics use (> 3/year)       
 No 1 1 1 1
 Yes 0.95 0.70–1.29 0.756 1.71 1.08–2.71 0.022
Heating mode       
 Wood heating 1 1 1 1
 Coal heating 1.36 0.86–2.15 0.194 0.73 0.26–2.06 0.547
 Central heating 1.43 0.94–2.18 0.098 1.34 0.50–3.57 0.561
  1. aAFI: annual family income, 10,000 RMB/year