Table 5. Percent of children had an IEP, repeated a grade, special class, by cognitive function profiles based on IQ and EF, and on IQ only.
| Classification by IQ and EF | ||||
|---|---|---|---|---|
| Classification by IQ Only | Normal | Low Normal | Moderately Impaired | Severely Impaired |
| Overalla | 83 (28%) | 188 (52%) | 128 (88%) | 68 (99%) |
| 22 (7%) | 75 (21%) | 56 (39%) | 9 (13%) | |
| 10 (3%) | 36 (10%) | 71 (49%) | 64 (93%) | |
| n=299 | n=360 | n=145 | n=69 | |
| ZIQ > -1b | 83 (28%) | 132 (48%) | 8 (64%) | 0 |
| 22 (7%) | 53 (20%) | 3 (27%) | ||
| 10 (3%) | 18 (6%) | 4 (27%) | ||
| n=298 | n=264 | n=11 | ||
| -2 < ZIQ ≤ -1a | n=1 | 55 (64%) | 61 (83%) | 0 |
| 22 (24%) | 34 (46%) | |||
| 18 (20%) | 30 (42%) | |||
| n=94 | n=71 | |||
| ZIQ ≤ -2c | 0 | n=2 | 59 (98%) | 68 (99%) |
| 19 (32%) | 9 (13%) | |||
| 37 (60%) | 64 (93%) | |||
| n=63 | n=69 | |||
a
p<0.001 comparing percentages across the row for IEP, repeat a grade, and special class via chi-square test
b
p<0.01 comparing percentages across the row for IEP, repeat a grade, and special class via chi-square test
c
p=0.921 for IEP, p=0.011 for repeat grade, p<0.001 for special class comparing percentages across the row via chi-square test