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Table 4 Logistics regression analysis of influential factors on victims’ injuries in Yancheng tornadoa

From: Factors associated with injuries among tornado victims in Yancheng and Chifeng, China

Influencing factorsOR (95% CI)p
Gender (Ref: Male)3.44 (0.73, 16.17)0.118
Age (Ref: < 20)
 20–654.21 (0.02, 935.30)0.602
  > 654.41 (0.02, 1055.00)0.596
Education level (Ref: Illiteracy)
 Primary school0.78 (0.11, 5.36)0.794
 Junior middle school0.42 (0.05, 3.60)0.426
 High school and above1.11 (0.10, 12.24)0.930
Income level (Ref: <  10,000)
  > 10,0000.10 (0.02, 0.50)0.005
Marital status (Ref: Unmarried)2.33 (0.31, 17.56)0.413
Living alone (Ref: No)0.75 (0.09, 6.39)0.794
Indoor (Ref: No)0.33 (0.03, 3.11)0.329
House type (Ref: Bungalow)11.74 (1.35, 102.33)0.026
House building years (Ref: 70s and before)
 80s1.31 (0.08, 21.70)0.850
 90’s0.23 (0.01, 4.39)0.326
 After 20002.59 (0.08, 85.49)0.594
Fear level (Ref: No fear)
 A little fear5.90 (0.02, 1839.14)0.545
 General fear10.50 (0.10, 1106.22)0.322
 Severe fear3.80 (0.04, 382.15)0.571
 Extreme fear2.43 (0.03, 176.67)0.684
disaster avoidance behavior (Ref: Stand still)
 Fled to indoor1.74 (0.26, 11.56)0.567
 Hold doors and windows0.84 (0.089, 7.89)0.878
 Run away from the tornado0.05 (0.00, 240.16)0.481
The degree of housing collapse (Ref: Minor damage)
 Moderate damage10.50 (0.76, 144.56)0.079
 Partially collapsed12.25 (0.94, 160.11)0.056
 Completely collapsed183.12 (8.04, 4173.34)0.001
Finding disaster prevention building (Ref: No)0.246 (0.047, 1.274)0.095
Need tornado escape drills (Ref: No)0.098 (0.004, 2.325)0.151
  1. Note. CI = confidence interval; OR = Odds Ratio
  2. *.P < 0.05