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Table 3 Univariate and multivariate logistic regression analyses of the occurrence of fatigue in elementary and junior high school students

From: Low visual information-processing speed and attention are predictors of fatigue in elementary and junior high school students

  OR (95% CI)
  Crude Multiple-Adjusted*
Grade   
   4th grade Reference (1.00)  
   5th grade 1.22 (0.37 - 3.96)  
   6th grade 1.39 (0.44 - 4.40)  
   7th grade 2.08 (0.67 - 6.44)  
   8th grade 7.29 (1.52 - 35.03)  
p for trend 0.005  
Male 1.19 (0.56 - 2.56)  
List learning test 0.93 (0.63 - 1.37) 0.82 (0.54 - 1.22)
List recall test 0.91 (0.64 - 1.29) 0.79 (0.54 - 1.15)
Digit span forward test 1.06 (0.72 - 1.55) 0.87 (0.56 - 1.36)
Symbol digit modalities test 0.81 (0.55 - 1.20) 0.54 (0.33 - 0.89)
Semantic fluency test 0.87 (0.58 - 1.37) 0.70 (0.43 - 1.13)
Figure copying test 0.89 (0.62 - 1.27) 0.77 (0.53 - 1.13)
Kana pick-out test   
   Kana pick-out number 1.00 (0.67 - 1.50) 0.64 (0.37 - 1.10)
   Kana omission number 0.91 (0.61 - 1.37) 0.87 (0.56 - 1.35)
   Kana pick-out score 1.06 (0.70 - 1.61) 0.81 (0.50 - 1.32)
   Score for story comprehension 0.89 (0.61 - 1.30) 0.87 (0.57 - 1.32)
Modified advanced trail making test   
   RT on task A (per 1 SD increase) 1.38 (0.97 - 1.98) 1.88 (1.20 - 2.94)
   RT on task B (per 1 SD increase) 1.21 (0.79 - 1.85) 1.66 (0.97 - 2.85)
   RT on task C (per 1 SD increase) 0.99 (0.65 - 1.51) 1.21 (0.75 - 1.95)
   RT on task E (per 1 SD increase) 1.03 (0.75 - 1.43) 1.26 (0.88 - 1.81)
   RT on task A-D (per 1 SD increase) 1.29 (0.91 - 1.81) 1.62 (1.08 - 2.43)
   RT on task B-D (per 1 SD increase) 1.13 (0.74 - 1.72) 1.44 (0.86 - 2.42)
   RT on task C-D (per 1 SD increase) 0.72 (0.60 - 1.43) 1.10 (0.68 - 1.77)
   RT on task E-D (per 1 SD increase) 1.00 (0.72 - 1.38) 1.20 (0.84 - 1.72)
  1. *Adjusted for grade and gender. RT, reaction time; OR, odds ratio; CI, confidence interval.