Table 4.
Results of logistic regression models predicting risk of language impairment (n = 135) versus typical language (n = 246).
| Model | Predictor | β | SE β | Wald's χ2 | df | p | OR |
|---|---|---|---|---|---|---|---|
| 1a | GRADE LC | −0.36 | 0.06 | 37.32 | 1 | < .001 | 0.70 |
| Constant | 1.06 | 0.28 | 14.95 | 1 | < .001 | ||
| 2b | GRADE LC | −0.31 | 0.07 | 22.36 | 1 | < .001 | 0.74 |
| TOSWRF | −0.08 | 0.01 | 54.99 | 1 | < .001 | 0.93 | |
| Constant | 8.25 | 1.04 | 63.36 | 1 | < .001 |
Note. Subscript a: Model 1 summary statistics: χ2 = 44.14, df = 1, p < .001; −2 log likelihood = 456.95. Subscript b: Model 2 summary statistics: χ2 = 113.48, df = 2, p < .001; −2 log likelihood = 387.60. GRADE LC = Group Reading Assessment and Diagnostic Evaluation Listening Comprehension subtest; TOSWRF = Test of Silent Word Reading Fluency.