Table 3 Strengths and difficulties questionnaire by school grade.
From: Association between sleep habits/disorders and emotional/behavioral problems among Japanese children
TDS | Emotional symptoms | Conduct problems | Hyperactivity/inattention | Peer problems | Prosocial behavior | |
|---|---|---|---|---|---|---|
Elementary school | ||||||
First grade | 8.7 (5.1) | 1.7 (1.8) | 2.1 (1.6) | 3.4 (2.3) | 1.5 (1.6) | 6.2 (2.1) |
Second grade | 8.4 (5.0) | 1.6 (1.8) | 2.0 (1.6) | 3.3 (2.2) | 1.5 (1.5) | 6.1 (2.1) |
Third grade | 7.9 (5.0) | 1.5 (1.7) | 1.9 (1.6) | 3.0 (2.2) | 1.5 (1.6) | 6.2 (2.1) |
Fourth grade | 7.5 (4.9) | 1.4 (1.7) | 1.8 (1.5) | 2.9 (2.2) | 1.4 (1.5) | 6.3 (2.1) |
Fifth grade | 7.2 (4.8) | 1.3 (1.6) | 1.7 (1.5) | 2.7 (2.1) | 1.5 (1.6) | 6.2 (2.1) |
Sixth grade | 6.6 (4.8) | 1.2 (1.6) | 1.6 (1.4) | 2.4 (2.0) | 1.4 (1.6) | 6.3 (2.1) |
Junior high school | ||||||
First grade | 6.9 (4.9) | 1.2 (1.6) | 1.6 (1.4) | 2.6 (2.0) | 1.4 (1.6) | 5.9 (2.2) |
Second grade | 6.6 (4.8) | 1.1 (1.6) | 1.6 (1.4) | 2.4 (2.0) | 1.5 (1.6) | 6.0 (2.2) |
Third grade | 6.2 (4.7) | 1.1 (1.6) | 1.5 (1.4) | 2.2 (1.8) | 1.5 (1.7) | 5.9 (2.2) |
Overall | 7.5 (5.0) | 1.4 (1.7) | 1.8 (1.5) | 2.9 (2.2) | 1.5 (1.6) | 6.2 (2.1) |
