Table 2. Percent of participants in each group meeting criteria for a DISC anxiety disorder or CBCL DSM scale cutoff.
| Variable | Age 5 | Age 6 | Age 7 | Age 8 | Age 9 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| TD | ID | TD | ID | TD | TD | TD | ID | TD | ID | |
| CBCL Anxiety Problems Cutoff | 6.0 | 13.7 | 11.6 | 17.6 | 14.8 | 15.9 | 11.8 | 28.1 | 10.5 | 24.6 |
| DISC Separation Anxiety | 5.2 | 17.6 | 9.5 | 4.1 | 3.4 | 8.1 | 0.9 | 5.4 | 2.6 | 8.1 |
| DISC Social Phobia | 3.4 | 2.7 | 2.6 | 5.4 | 3.4 | 6.8 | 7.8 | 5.4 | 7.8 | 10.8 |
| DISC Generalized Anxiety | 0.9 | 0.0 | 0.9 | 4.1 | 3.4 | 1.4 | 0.9 | 1.4 | 4.3 | 5.4 |
| DISC Any Diagnosis | 9.5 | 17.6 | 10.3 | 10.8 | 7.8 | 12.2 | 8.6 | 9.5 | 12.1 | 14.9 |
| CBCL Affective Problems | 7.0 | 16.4 | 8.9 | 17.6 | 9.3 | 18.8 | 8.8 | 14.0 | 10.5 | 12.3 |
| CBCL Attention Deficit/Hyperactivity Problems |
2.6 | 17.8 | 5.4 | 24.3 | 4.6 | 26.1 | 8.8 | 28.1 | 6.7 | 26.3 |
| CBCL Oppositional Defiant Problems |
4.3 | 16.4 | 10.7 | 21.6 | 13.0 | 17.4 | 8.8 | 22.8 | 10.5 | 26.3 |
| CBCL Externalizing Problems | 21.4 | 38.4 | 24.1 | 28.4 | 16.7 | 37.7 | 21 | 45.6 | 21.0 | 38.6 |
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| Co-occurrences | ||||||||||
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| CBCL Anxiety and Affective Problems |
2.6 | 6.8 | 4.5 | 9.5 | 2.8 | 8.7 | 5.9 | 7.0 | 4.8 | 12.3 |
| CBCL Anxiety and Attention Deficit/Hyperactivity Problems |
1.7 | 4.1 | 2.7 | 10.8 | 0.0 | 7.2 | 1.0 | 8.8 | 1.9 | 14.0 |
| CBCL Anxiety and Oppositional Defiant Problems |
1.7 | 8.2 | 2.7 | 9.5 | 1.9 | 7.2 | 3.9 | 12.3 | 2.9 | 8.8 |
| CBCL Anxiety and Externalizing Problems |
3.5 | 12.3 | 6.3 | 10.8 | 4.6 | 11.6 | 2.9 | 19.3 | 3.8 | 15.8 |
Note: N for CBCL analyses = Age 5: 115 TD, 73 ID; Age 6: 112 TD, 74 ID; Age 7: 108 TD, 69 ID; Age 8: 102 TD, 57 ID; Age 9: 105 TD, 57 ID. N for DISC analyses = 116 TD; 74 ID at all ages