Table 4.
Two-tailed Student’s t-test for independent samples.
| SD | Mean | Mean Difference | Std. error difference | T | 95% C.I. | |
|---|---|---|---|---|---|---|
| IQ | 0 1 |
83.29 74.08 |
9.202 | 11.369 | p = 0.747 | −14.050; 32.454 |
| Conn_Oppositional | 0 1 |
54.27 58.67 |
−4.394 | 4.784 | p = 0.621 | −14,128; 5.340 |
| Conn_Cognitive problems | 0 1 |
66.27 69.57 |
−3.292 | 5.091 | p = 0.290 | −13.663; 7.078 |
| Conn_Hyperactivity | 0 1 |
60.55 64.50 |
−3.955 | 5.716 | p = 0.824 | −15.613; 7.704 |
| Conn_Anxious/Shy | 0 1 |
60.73 59.52 |
1.206 | 5.083 | p = 0.541 | −9,148; 11,559 |
| Conn_Perfectionistic | 0 1 |
50.60 54.96 |
−4.357 | 4.041 | p = 0.690 | −12.597; 3.884 |
| Conn_Social Problems | 0 1 |
76.36 64.46 |
11.905 | 6.726 | p = 0.409 | −1.779; 25.589 |
| Conn_Psychosomatic | 0 1 |
50.00 51.54 |
−1.542 | 3.939 | p = 0.848 | −9.575; 6.492 |
| Conn_ADHD Index | 0 1 |
62.70 70.96 |
−8.257 | 5.223 | p = 0.435 | −18.908; 2.395 |
| Conn_Restless/Impulsive | 0 1 |
56.50 66.22 |
−9.717 | 4.471 | p = 0.886 | −18.835; −0.599 |
| Conn_Emotional Lability | 0 1 |
54.70 55.55 |
−0.845 | 5.501 | p = 0.548 | −12.080; 10.389 |
| Conn_Global Index | 0 1 |
55.30 63.82 |
−8.518 | 4.906 | p = 0.393 | −18.537; 1.500 |
| Conn_DSM_IV (Inattentive) | 0 1 |
62.73 66.61 |
−3.881 | 4.899 | p = 0.754 | −13,861; −6,098 |
| Conn_DSM_IV_(Hyperactive–Impulsive) | 0 1 |
59.18 63.00 |
−3.818 | 4.734 | p = 0.781 | −13.474; 5.838 |
| Conn_DSM_IV_(ADHD total symptoms) | 0 1 |
62.91 66.17 |
−3.265 | 4.894 | p = 0.790 | −13.234; 6.705 |
| CBCL Internalizing_1_18 | 0 1 |
54.90 61.55 |
−6.645 | 4.916 | p = 0.820 | −16.685; 3.394 |
| CBCL Externalizing_1_18 | 0 1 |
51.10 59.50 |
−8.400 | 3.526 | p = 0.383 | −15.601; −1.199 |
| CBCL Total_1_18 | 0 1 |
55.60 61.59 |
−5.991 | 3.777 | p = 0.702 | −13.704; 1.722 |
| ABAS_GAC_PC | 0 1 |
71.55 63.58 |
7.962 | 7.604 | p = 0.151 | −7.508; 23.433 |
| ABAS_CAD_PC | 0 1 |
77.91 68.25 |
9.659 | 7.358 | p = 0.259 | −5.312; 24.630 |
| ABAS_SAD_PC | 0 1 |
72.91 71.63 |
1.284 | 6.305 | p = 0.105 | −11.543; 14.111 |
| ABAS_PAD_PC | 0 1 |
67.82 63.83 |
3.985 | 8.050 | p = 0.171 | −12.392; 20.362 |
IQ, intelligent quotient; Conn, Conners; ADHD, attention-deficit hyperactivity disorder; DSM, Diagnostic and Statistical Manual of Mental Disorders; CBCL, Achenbach Child Behavior Checklist; ABAS, Adaptive Behavior Assessment System; GAC, General Adaptive Composite; CAD, conceptual domain; SAD, social domain; PAD, practical domain.