| Class 1 | Class 2 |  | ||
---|---|---|---|---|---|
 | N (%) | N (%) | χ2 | df | p-value |
Gender | |||||
 Male | 29 (50.0) | 56 (54.4) | 0.28 | 1 | 0.59 |
 Female | 29 (50.0) | 44 (45.6) |  |  |  |
Mother | |||||
 Unemployed | 36 (62.1) | 72 (69.9) | 1.03 | 1 | 0.31 |
 employed | 22 (37.9) | 31 (30.1) |  |  |  |
Highest Parental Education | |||||
 Elementary | 2 (3.5) | 19 (18.6) | FET = 7.21 | - | 0.05 |
 Highschool | 41 (71.9) | 62 (60.8) |  |  |  |
 University | 14 (24.6) | 21 (20.6) |  |  |  |
Income | |||||
 up to $1000 | 26 (53.1) | 67 (72.8) | 6.30 | 2 | 0.01 |
 $1000-$2000 | 13 (26.5) | 17 (18.5) |  |  |  |
 more than $2000 | 10 (20.4) | 8 (8.7) |  |  |  |
 | Mean ± SD | Mean ± SD | t-test | df | p-value |
Age | 12.5 ± 2.87 | 10.31 ± 2.88 | 4.64 | 159 | < 0.001 |
SDQ emotional Childa | 1.83 ± 2.01 | 2.78 ± 2.32 | -1.80 | 66 | .08 |
SDQ emotional Parent | 1.66 ± 1.65 | 2.76 ± 2.49 | -3.36 | 154.85 | .001 |
SDQ hyperactivity Childa | 3.11 ± 2.3 | 3.91 ± 2.52 | -1.36 | 66 | .18 |
SDQ hyperactivity Parent | 2.91 ± 2.5 | 4.38 ± 2.7 | -3.39 | 159 | .001 |
MFQ Childb | 6.4 ± 7.52 | 8.17 ± 9.23 | -1.23 | 152 | 0.219 |
MFQ Parentb | 4.17 ± 4.34 | 9.04 ± 10.98 | -3.87 | 135.38 | 0.000 |
SCARED Childb | 15.52 ± 11.22 | 18.56 ± 12.96 | -1.48 | 152 | 0.140 |
SCARED Parentb | 11.98 ± 8.79 | 15.8 ± 12.59 | -2.21 | 148.75 | 0.029 |
IQ | 105.38 ± 13.25 | 93.09 ± 14.46 | 5.33 | 159 | < 0.001 |