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Table 5 Results of multiple logistic regression analysis for 7-month persistent symptoms

From: Psychological effects of a disastrous hydrogen fluoride spillage on the local community

    95% CIa  
Crude ORb Adjusted ORc Lower Upper P-valued
Ages
  < 20 1 1    
 20–29 6.187 3.994 1.179 13.531 0.026
 30–39 10.055 7.199 2.242 23.120 0.001
 40–49 9.900 5.740 1.784 18.474 0.003
 50–59 36.397 15.263 4.471 52.098 0.000
 60–69 58.500 17.564 4.154 74.265 0.000
 70–79 142.312 39.326 9.674 159.870 0.000
  ≥ 80 123.750 35.498 3.549 355.050 0.002
Gender
 Male 1 1    
 Female 1.838 2.001 1.170 3.423 0.011
Exposure level
 Extremely low 1 1    
 Low 4.700 13.440 1.118 161.547 0.041
 Moderate 10.147 16.995 1.447 199.595 0.024
 High 29.024 23.289 2.005 270.526 0.012
Impact of Event Scale
 Normal 1 1    
 Moderate 4.134 2.572 1.439 4.596 0.001
 Severe 21.352 5.811 2.725 12.391 0.000
 Very severe 65.016 30.726 6.657 141.806 0.000
Anxiety level
 Normal 1 1    
 Anxiety 4.762 1.166 0.322 4.216 0.815
 Severe anxiety 12.699 1.619 0.278 9.409 0.592
 Extreme anxiety 11.973 0.619 0.105 3.628 0.595
  1. a CI confidence interval
  2. bCrude OR: Crude odds ratio
  3. cAdjusted OR: Adjusted odds ratio for ages, gender, exposure level, Impact of event scale, Anxiety level
  4. d p value for multiple logistic regression
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