Table 4 General population-based parental norms for the SDQ
10-years old | 11-years old | 12-years old | 13-years old | |||||
|---|---|---|---|---|---|---|---|---|
Emotional Symptoms | Girls n = 154 | Boys n = 159 | Girls n = 232 | Boys n = 206 | Girls n = 158 | Boys n = 159 | Girls n = 179 | Boys n = 186 |
M (SD) Mdn* | 1.6 (1.8) 1.0 | 1.3 (1.7) 1.0 | 1.5 (1.8) 1.0 | 1.6 (1.9) 1.0 | 1.7 (1.7) 1.0 | 1.6 (1.8) 1.0 | 1.7 (1.9) 1.0 | 1.4 (1.7)* 1.0 |
80th percentile | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 2.0 |
85th percentile | 4.0 | 3.0 | 3.0 | 4.0 | 3.5 | 3.0 | 3.0 | 3.0 |
90th percentile | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
95th percentile | 5.0 | 5.0 | 5.5 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
Conduct Problems | ||||||||
M (SD) Mdn* | 1.1 (1.4) 1.0 | 1.0 (1.2) 1.0 | 1.0 (1.3) 1.0 | 1.0 (1.2) 1.0 | 1.2 (1.2) 1.0 | 1.3 (1.6) 1.0 | 1.3 (1.4) 1.0 | 1.0 (1.2) 1.0 |
80th percentile | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
85th percentile | 2.0 | 2.0 | 2.0 | 2.6 | 2.0 | 3.0 | 3.0 | 2.0 |
90th percentile | 3.0 | 3.0 | 2.0 | 3.0 | 3.0 | 4.0 | 3.0 | 3.0 |
95th percentile | 4.0 | 4.0 | 4.0 | 3.0 | 4.0 | 5.0 | 4.0 | 3.0 |
Hyperactivity-Inattention | ||||||||
M (SD) Mdn* | 2.1 (2.0) 2.0 | 2.6 (1.9) 2.0 | 2.1 (2.1) 2.0 | 2.7 (2.3) 2.0 | 2.1 (2.1) 2.0 | 2.6 (2.2) 2.0 | 2.1 (2.1) 2.0 | 2.5 (2.1) 2.0 |
80th percentile | 3.2 | 4.0 | 4.0 | 5.0 | 4.0 | 4.0 | 4.0 | 4.0 |
85th percentile | 4.0 | 5.0 | 4.0 | 5.0 | 4.5 | 5.0 | 4.0 | 5.0 |
90th percentile | 5.0 | 5.0 | 5.0 | 6.0 | 5.0 | 6.0 | 5.0 | 5.0 |
95th percentile | 6.0 | 6.0 | 6.5 | 7.0 | 7.0 | 7.0 | 6.2 | 7.0 |
Peer Problems | ||||||||
M (SD) Mdn* | 1.1 (1.8) 0.0 | 1.2 (1.7) 1.0 | 1.1 (1.5) 0.0 | 1.3 (1.5) 1.0 | 1.1 (1.5) 1.0 | 1.4 (1.9) 1.0 | 1.5 (1.8) 1.0 | 1.4 (1.7) 1.0 |
80th percentile | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 3.0 | 3.0 | 3.0 |
85th percentile | 2.0 | 3.0 | 3.0 | 3.0 | 2.5 | 3.0 | 3.0 | 3.0 |
90th percentile | 3.1 | 3.1 | 3.0 | 3.7 | 3.0 | 4.0 | 4.0 | 4.0 |
95th percentile | 5.0 | 5.0 | 4.0 | 4.9 | 5.0 | 6.0 | 5.0 | 5.0 |
Prosocial Behavior | ||||||||
M (SD) Mdn* | 8.6 (1.5) 9.0 | 8.2 (1.9) 8.0 | 8.6 (1.6) 9.0 | 8.2 (1.7) 8.0 | 8.6 (1.5) 9.0 | 8.2 (1.9) 9.0 | 8.4 (1.7) 9.0 | 8.3 (1.7) 9.0 |
20th percentile | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 |
15th percentile | 7.0 | 6.0 | 7.0 | 6.0 | 7.0 | 6.0 | 6.0 | 6.2 |
10th percentile | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
5th percentile | 6.0 | 4.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
Total Difficulties | ||||||||
M (SD) Mdn* | 5.8 (5.2) 4.0 | 6.1 (4.6) 5.0 | 5.7 (5.0) 4.0 | 6.6 (5.1) 5.5 | 6.1 (4.7) 5.0 | 6.9 (6.0) 5.0 | 6.6 (5.5) 5.0 | 6.3 (4.8) 5.0 |
80th percentile | 9.0 | 9.0 | 9.0 | 11.0 | 10.0 | 10.0 | 11.0 | 10.0 |
85th percentile | 11.0 | 11.0 | 10.0 | 12.0 | 12.0 | 13.0 | 12.0 | 11.0 |
90th percentile | 13.0 | 12.0 | 13.0 | 14.0 | 14.0 | 17.0 | 13.0 | 13.9 |
95th percentile | 16.0 | 14.1 | 16.0 | 15.9 | 15.0 | 19.2 | 18.0 | 15 |