Skip to main content

Table 8 Differences in variables of interest depending on past drill participation

From: Community preparedness for volcanic hazards at Mount Rainier, USA

   Intentions
  Drill participation M SD Means comparison
Last year Yes 2.65 1.33 t(491) = 0.37, p = .71
  No 2.59 1.13  
Last 5 years Yes 2.73 1.27 t(138.78) = 1.20, p = .23
  No 2.56 1.12  
   Preparedness
   M SD Means comparison
Last year Yes 3.15 1.35 t(490) = 2.59, p = .01, d = 1.18
  No 2.70 1.16  
Last 5 years Yes 3.03 1.17 t(490) = 2.62, p < .01, d = 1.18
  No 2.68 1.18  
   Self-efficacy
   M SD Means comparison
Last year Yes 3.89 1.11 t(58.81) = 2.57, p < .05, d = 1.27
  No 3.42 1.28  
Last 5 years Yes 3.92 1.10 t(133.39) = 3.85, p < .001, d = 1.26
  No 3.37 1.14  
   Threat  
   M SD Means comparison
Last year Yes 3.84 1.20 t(511) = 1.71, p = .09
  No 3.56 1.16  
Last 5 years Yes 3.79 1.14 t(510) = 1.99, p < .05, d = 1.17
  No 3.54 1.17  
   Likelihood  
   M SD Means comparison
Last year Yes 2.72 1.08 t(66.09) = 1.23, p = .22
  No 2.90 0.85  
Last 5 years Yes 2.90 0.99 t(141.18) = 0.26, p = .81
  No 2.88 0.85  
   Evacuation kit  
   Yes No Ratio comparison
Last year Yes 42 26 X2(1) = 12.21, p < .001, V = .14
  No 237 360  
Last 5 years Yes 70 54 X2(1) = 12.92, p < .001, V = .14
  No 209 330