Table 2.
Prevalence of normal, borderline and abnormal mental difficulties (based on the SDQ-Total Difficulties Score)
| girls | boys | girls & boys | ||||
| N |
% (95% Confidence Interval) |
N |
% (95% Confidence Interval) |
N |
% (95% Confidence Interval) |
|
| SDQ-Total Difficulties Score | ||||||
| 0-13a | 549 | 86.2 (83.3 - 88.8) |
517 | 82.3 (79.1 - 85.2) |
1066 | 91.0 (89.2 - 92.5) |
| 14-16b | 21 | 3.6 (2.2 - 5. 4) |
32 | 5.5 (3.8 - 7.7) |
53 | 4.5 (3.4 - 5.9) |
| 17-40c | 19 | 3.2 (2.0 - 5.0) |
34 | 5.8 (4.1 - 8.0) |
53 | 4.5 (3.4 - 5.9) |
| ≥ 14d | 40 | 6.3 (4.5 - 8.5) |
66 | 10.5 (8.2 - 13.2) |
106 | 9.0 (7.5 - 10.8) |
a) normal
b) borderline
c) abnormal
d) borderline or abnormal