Table 5.
Optimal SCQ Cut-Points by Demographic Factors for CE Group
| Variables | SCQ score | Sensitivity | 1—Specificity | Youden J |
|---|---|---|---|---|
| Child sex | ||||
| Male | ≥11 | 0.881 | 0.292 | 0.588 |
| Female | ≥11 | 0.894 | 0.202 | 0.692 |
| Child age | ||||
| < 55.7 months | ≥11 | 0.895 | 0.241 | 0.654 |
| > = 55.7 months | ≥11 | 0.874 | 0.275 | 0.599 |
| Maternal education | ||||
| HS diploma or less | ≥15 | 0.820 | 0.242 | 0.578 |
| Associate degree or some college courses | ≥13 | 0.810 | 0.249 | 0.561 |
| Bachelor degree | ≥11 | 0.892 | 0.158 | 0.734 |
| Masters or advanced degree | ≥11 | 0.796 | 0.121 | 0.675 |
| Maternal race | ||||
| Black | ≥14 | 0.790 | 0.290 | 0.500 |
| Other | ≥11 | 0.874 | 0.199 | 0.674 |
| White | ≥11 | 0.885 | 0.216 | 0.669 |
| Household income | ||||
| <$30,000 | ≥14 | 0.845 | 0.325 | 0.519 |
| ≥16 | 0.745 | 0.226 | 0.519 | |
| $30,000–$70,000 | ≥11 | 0.921 | 0.296 | 0.625 |
| $70,000–110,000 | ≥11 | 0.888 | 0.125 | 0.763 |
| $110,000+ | ≥11 | 0.791 | 0.115 | 0.676 |
SCQ, social communication questionnaire; CE, clinical and educational sources; Sen, sensitivity; Spec, specificity.