Table 4.
Results of univariate logistic regression on predictors of CNT validity
| ANAM | Axon | ImPACT | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Categorical variables | Odds ratio |
95% CI | p | Odds ratio |
95% CI | p | Odds ratio |
95% CI | p |
| Gender (male) | 1.18 | (.74, 1.89) | .570 | 1.33 | (.88, 1.99) | .373 | .84 | (.41, 1.70) | .709 |
| Level of competition (HS) | 1.16 | (.81, 1.67) | .544 | .85 | (.61, 1.20) | .489 | 2.12 | (1.11, 4.05) | .092 |
| ADHD (yes) | 2.25 | (1.36, 3.72) | .005 | 3.18 | (2.02, 5.02) | < .001 | 1.73 | (.60, 5.00) | .461 |
| LD (yes) | 3.36 | (1.80, 6.25) | < .001 | 1.84 | (.91, 3.74) | .226 | 2.02 | (.47, 8.70) | .461 |
| CNT order (2nd) | 1.35 | (.95, 1.92) | .232 | 1.91 | (1.35, 2.72) | .001 | 1.40 | (.73, 2.67) | .461 |
| Taken the CNT before (no) | - | - | - | - | - | - | 1.22 | (.63, 2.34) | .679 |
| Continuous variables | Estimate | 95% CI | p | Estimate | 95% CI | p | Estimate | 95% CI | p |
| Age | −.05 | (−.15, .04) | .501 | −.03 | (−.11, .06) | .715 | −.17 | (−.35, .00) | .153 |
| Number prior concussions | −.05 | (−.24, .13) | .631 | .04 | (−.14, .22) | .768 | .17 | (−.14, .49) | .461 |
| GPA | −.55 | (−.88, −.22) | .005 | −.83 | (−1.14, −.52) | < .001 | −.96 | (−1.58, −.35) | .035 |
| WTAR standard score | −.05 | (−.06, −.03) | < .001 | −.04 | (−.06, −.03) | < .001 | −.02 | (−.05, .01) | .268 |
Note. p-values were adjusted for multiple comparisons using the false discovery rate method.4 CNT = computerized neurocognitive tests; HS = high school (versus college); GPA = grade point average; WTAR = Wechsler Test of Adult Reading