Table 2: Unadjusted tests for trend: increasing risk of

cognitive fatigue, sleep/rest fatigue, general fatigue and

depression with increased risk for IAD severity.

 

Odds ratio

95% confidence

interval

p-value

for trend

Cognitive fatigue

2.43

1.93-3.06

< 0.001

Sleep/rest fatigue

2.03

1.63-2.53

< 0.001

General fatigue

2.40

1.93-2.99

< 0.001

Depression

3.67

2.96-4.55

< 0.001