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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)