Table 2 Predictors of selected outcomes (ASQ-II total score) at 4 and 12 months of age: results of final step of backward selection multivariate linear regression analysis
Model | ASQ-II total score 4 months | ASQ-II total score 12 months | ||||
|---|---|---|---|---|---|---|
n | F (P) | R2 | n | F (P) | R2 | |
418 | 32.8 (< 0.001) | 0.132 | 397 | 12.3 (< 0.001) | 0.060 | |
β | 95% CI | P | β | 95% CI | P | |
Intercept | − 223.8 | (− 341.6; −106.1) | < 0.001 | − 278.9 | − 484.7; − 73.1 | 0.008 |
Gestational age | 8.1 | (5.5; 10.7) | < 0.001 | 4.5 | 1.0; 8.0 | 0.01 |
Age at test (days) | 1.3 | (0.8; 1.8) | < 0.001 | 0.9 | 0.5; 1.3 | < 0.001 |