Multivariable logistic regression to assess biological risk factors for underweight (weight-for-age z score less than −1) status in the combined cohort of children with SCA screened for the SPRING (low-income) and SIT (high-income) trials
| Variable . | Combined cohorts (n = 2000) . | ||
|---|---|---|---|
| OR . | 95% CI . | P value . | |
| Age, y | 1.236 | 1.170-1.3056 | <.001 |
| Sex (male) | 0.816 | 0.646-1.031 | .089 |
| Hemoglobin (g/dL) | 0.588 | 0.506-0.684 | <.001 |
| White blood cell count (× 109/L) | 0.979 | 0.953-1.007 | .134 |
| Group (SPRING)∗ | 1.947 | 0.314-12.067 | .474 |
| Interaction of hemoglobin by group∗ | 1.379 | 1.03-1.740 | .007 |
| Variable . | Combined cohorts (n = 2000) . | ||
|---|---|---|---|
| OR . | 95% CI . | P value . | |
| Age, y | 1.236 | 1.170-1.3056 | <.001 |
| Sex (male) | 0.816 | 0.646-1.031 | .089 |
| Hemoglobin (g/dL) | 0.588 | 0.506-0.684 | <.001 |
| White blood cell count (× 109/L) | 0.979 | 0.953-1.007 | .134 |
| Group (SPRING)∗ | 1.947 | 0.314-12.067 | .474 |
| Interaction of hemoglobin by group∗ | 1.379 | 1.03-1.740 | .007 |
Abbreviations are explained in Table 1.
Reference category is SIT.