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Table 2 – Fort McMurray survey post-wildfire data vs. Red Deer EMPATHY survey control data

From: After the Fort McMurray wildfire there are significant increases in mental health symptoms in grade 7–12 students compared to controls

Measure Fort McMurray Score Red Deer Score P-value Effect size
PHQ-A score 8.0 +/− 6.5 5.6 +/− 5.6 0.00001* 0.40
HADS score 7.7 +/− 4.7 7.4 +/− 5.0 0.021* 0.06
CRAFFT score 0.55 +/− 1.25 0.54 +/− 1.16 0.75 0.01
Rosenberg score 18.2 +/− 6.6 20.5 +/− 5.9 0.00001* −0.36
Kidscreen score 27.0 +/− 8.2 29.4 +/− 7.3 0.00001* −0.32
Measure Rate Rate P-value  
Probable depression 31% 17% 0.00001*  
Probable moderately severe depression 17% 9% 0.00001*  
Suicidal thinking 16% 4% 0.00001*  
Probable anxiety 27% 27% 0.98  
Probable alcohol / substance use disorder 15% 16% 0.29  
Tobacco use 13% 10% 0.00090*  
Any of 3 probable diagnoses 37% 36% 0.50  
  1. * p-value survives FDR multiple comparison correction (threshold 0.021) Scores are means +/− standard deviation (not standard error)