| OR (95% CI) | |
---|---|---|
 | Crude | Multiple-Adjusted* |
Grade | Â | Â |
   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 | Â |
Male | 1.19 (0.56 - 2.56) | Â |
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 | Â | Â |
   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 | Â | Â |
   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) |