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Table 6 Chi-square test results for participants’ intended method for evacuation varying by participation in evacuation drills

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

  Participated Not participated   
  Yes No Yes No χ2 V
By car: drill in last year 78% 22% 59% 41% 12.49*** .14
By car: drill in last five years 79% 21% 66% 34% 9.49** .12
By foot: drill in last year 47% 53% 29% 71% 6.57* .10
By foot: drill in last five years 41% 59% 28% 72% 7.32** .11
By bicycle: drill in last year 20% 80% 6% 94% 17.70*** .17
By bicycle: drill in last five years 8% 92% 7% 93% .21 ns N/A
  1. Note. * = p < .05, ** = p < .01, *** = p < .001. Cramer’s V effect sizes can be interpreted as .10 = small, .30 = medium, and .50 = large