Table 4. The QCD scores of junior high school students.

QCD	Case, % (n = 50)	Control, % (n = 50)	Effect Size	p value
Total	26.82 ± 12.11	24.96 ± 12.29	0.15	NS
Morning	6.06 ± 3.37	5.40 ± 3.52	0.19	NS
During school	3.92 ± 2.63	4.00 ± 2.56	0.03	NS
After school	4.08 ± 2.58	3.88 ± 2.54	0.08	NS
Evening	5.14 ± 3.01	4.48 ± 3.32	0.21	NS
Night	4.28 ± 2.62	3.74 ± 2.61	0.21	NS
Overall behavior	3.44 ± 1.84	3.46 ± 1.98	0.01	NS

Score ranges: QCD (Questionnaire: Children with Difficulties): 0-60 points.