Table 1. Scores obtained on the K-BIT and SCAS by children and youth from both groups alongside the effect size of the between-group differences.
| DSAS M(SD) | DSWAS M(SD) | t | p | Eta squared | |
| Sex | |||||
| Male | 26 | 55 | 19.27 | 0.95 | 0.09 |
| Female | 37 | 54 | 19.27 | 0.95 | 0.09 |
| Age | 9.1(1.76) | 11.01(1.86) | 11.43 | .84 | .06 |
| K-BIT TOTAL | 61.31(14.97) | 61.90 (10.28) | 14.12 | .47 | .04 |
| Vocabulary | 57.31(14.82) | 59.30 (10.20) | 11.22 | .71 | .08 |
| Matrices | 63.03(15.67) | 63.80(8.10) | 13.78 | .42 | .06 |
| SCAS TOTAL | 35.82 (17.5) | 7.68 (11.9) | 17.20 | .00 | .17 |
| Panic disorder/agoraphobia | 5.48 (4.9) | 1. 55 (2.4) | 16.70 | .00 | .13 |
| Separation anxiety | 4.39 (3.6) | 1.30 (2.4) | 18.20 | .02 | .14 |
| Fears | 3.12 (2.4) | 1.35 (2.1) | 19.11 | .02 | .09 |
| Social phobia | 6.28 (4.2) | 3.10 (3.1) | 11.45 | .04 | .11 |
| Obsessions/Compulsions | 7.11(4.1) | 2.18 (3.1) | 19.30 | .00 | .16 |
| Generalized anxiety | 8.92 (3.6) | 3.21 (2.3) | 15.26 | .00 | .08 |
Note. DSAS= Down syndrome with anxiety symptoms; DSWAS= Down syndrome without with anxiety symptoms