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Table 2 Odds ratios and 95% confidence intervals from univariate and multi-variate logistic regressions

From: Representative survey on idiopathic environmental intolerance attributed to electromagnetic fields in Taiwan and comparison with the international literature

  Current Survey
Variable Univariate analysis Multivariate analysis Weighted multivariate analysis
Sex
 Female 1 1 1
 Male 0.8 (0.6, 1.2) 0.8 (0.6, 1.1) 0.7 (0.4, 1.1)
Age (year)
 18–34 1 1 1
 35–49 1.0 (0.7, 1.7) 1.1 (0.7, 1.9) 0.9 (0.4, 2.0)
 50–64 1.0 (0.7, 1.6) 1.1 (0.7, 1.8) 0.8 (0.3, 2.0)
  ≥ 65 0.8 (0.5, 1.5) 0.8 (0.4, 1.6) 0.6 (0.2, 1.9)
Perceived Health Status
 Excellent 1 1 1
 Good 0.9 (0.4, 2.3) 0.9 (0.4, 2.1) 1.3 (0.5, 3.9)
 Fair 1.2 (0.6, 2.9) 1.1 (0.5, 2.7) 1.3 (0.5, 3.2)
 Poor 1.5 (0.6, 4.0) 1.0 (0.4, 2.8) 0.9 (0.3, 2.6)
 Very poor 2.5 (0.6, 8.9) 1.6 (0.4, 5.8) 5.4 (1.4, 20.6)*
Impairment in Daily Activities
 No 1 1 1
 Yes 2.4 (1.6, 3.6)* 2.6 (1.7, 4.0)* 2.2 (1.2, 3.8)*
Education Level
 Middle school and below 1 1 1
 High school 0.9 (0.6, 1.4) 0.9 (0.6, 1.5) 0.6 (0.3, 1.4)
 College and above 1.1 (0.8, 1.7) 1.2 (0.8, 1.9) 0.9 (0.4, 2.0)
Employment Status
 Employed 1 1 1
 Out of work/not working 1.3 (0.6, 2.5) 1.4 (0.7, 2.6) 1.0 (0.4, 2.8)
 Unable to work 0.7 (0.3, 1.4) 0.6 (0.2, 1.3) 0.9 (0.3, 2.5)
  1. *p < 0.05