Table 3 Average Conners scores of children stratified by different variables before and after the entry
Variable | Mean | N | Std. Deviation | Std. Error Mean | P-value |
|---|---|---|---|---|---|
Boy | |||||
-before | 69.82 | 17 | 12.59 | 3.05 | < 0.05 |
-after | 60.06 | 17 | 11.37 | 2.75 | |
Girl | < 0.05 | ||||
-before | 69.93 | 14 | 9.95 | 2.66 | |
-after | 61.57 | 14 | 8.41 | 2.25 | |
Mashhad | |||||
-before | 68.38 | 16 | 8.08 | 2.02 | < 0.05 |
-after | 60.69 | 16 | 8.68 | 2.17 | |
Neyshabor | < 0.05 | ||||
-before | 71.47 | 15 | 14.07 | 3.63 | |
-after | 60.8 | 15 | 11.58 | 2.99 | |
Preschool | |||||
-before | 71.42 | 12 | 10.98 | 3.17 | = 0.5 |
-after | 63.25 | 12 | 11.62 | 3.35 | |
First grade | < 0.05 | ||||
-before | 71.43 | 7 | 11.54 | 4.36 | |
-after | 57.68 | 7 | 11.03 | 4.17 | |
Second grade | = 0.21 | ||||
-before | 62.33 | 6 | 13.61 | 5.56 | |
-after | 57 | 6 | 9.12 | 3.72 | |
Third grade | < 0.05 | ||||
-before | 68.25 | 4 | 4.34 | 2.17 | |
-after | 62.25 | 4 | 5.12 | 2.56 | |
Fourth grade | = 0.36 | ||||
-before | 81 | 2 | 8.48 | 6 | |
-after | 64 | 2 | 7.07 | 5 |