Table 2. Demographic Characteristics of Sample.
| Characterisitic | Anestheisa (N=8) | Control (N=28) | Total (N= 56) | P-value |
|---|---|---|---|---|
| Female participants, No. (%) | 8 (30) | 11 (39) | 19 (34) | 0.4 |
| Age at testing, mean (SD), year | 9.4 (1.6) | 9.13 (1.6) | 9.27 (1.6) | 0.53 |
| Family income, mean (SD), $1000 | 85.2 (25.0) | 69.6 (27.3) | 77.4 (27.1) | 0.03 |
| Full-scale IQ, mean score (SD) | 111.7 (16.4) | 110.2 (16.2) | 111.0 (16.1) | 0.73 |
| Verbal IQ, mean score (SD) | 112.8 (17.6) | 109.6 (13.9) | 111.2 (15.8) | 0.45 |
| Performance IQ, mean score (SD) | 108.4 (15.4) | 112.5 (16.2) | 110.4 (15.8) | 0.34 |
| CBCL total problems (SD) | 46.5 (8.0) | 46.1 (8.0) | 46.3 (7.9) | 0.87 |
One-way ANOVA was used to test for differences between anesthesia and control groups on each demographic variable. Only family income differed between groups F(1,54)=4.94, P=0.03. The families of anesthetized children earned significantly more annual income than those of the control group.