Association of peripheral BDNF level with cognition, attention and behavior in preschool children

Table 2 Psychometric properties of the participants

	Favorable direction^a	Minimum	Maximum	Mean (SD)
	Favorable direction^a	Minimum	Maximum	Boys	Girls
IQ
FSIQ	↑	86	124	106.31 (13.66)	107.40 (11.69)
Verbal	↑	80	127	105.31 (15.55)	105.67 (11.10)
Motor	↑	86	128	105.61 (12.85)	99.87 (28.06)
Computerized continuous performance test
Visual (T score)
Omission error	↓	40	135	72.61 (29.91)	60.73 (26.82)
Commission error	↓	40	117	69.46 (21.91)*	52.27 (9.76)*
Auditory (T score)
Omission error	↓	34	81	55.92 (14.73)	48.93 (11.16)
Commission error	↓	34	61	48.53 (7.03)	46.13 (8.45)
CCTT (T score)
CCTT 1 time	↑	18	65	35.46 (10.91)	36.67 (14.55)
CCTT 2 time	↑	40	143	85.08 (19.09)	80.93 (23.49)
Inference index	↑	40	67	51.23 (7.36)	52.87 (7.22)
Stroop (T score)
Inference score	↑	24	61	44.08 (7.79)	47.40 (9.93)
CBCL score (T score)
Social withdrawal	↓	18	100	47.46 (8.05)	44.80 (30.67)
Somatic complaints	↓	42	65	44.61 (6.66)	47.47 (7.35)
Anxiety/depression	↓	35	68	45.38 (9.07)	47.73 (10.63)
Social problem	↓	37	78	45.00 (8.95)	47.60 (10.38)
Thought problem	↓	45	58	45.92 (3.32)	47.47 (4.29)
Attention problem	↓	35	59	43.62 (7.92)	44.07 (7.79)
Delinquent behavior	↓	40	59	47.08 (6.20)	48.73 (6.42)
Aggressive behavior	↓	37	64	49.31 (6.76)	48.93 (7.96)
Internalizing problems	↓	33	71	44.38 (9.19)	46.73 (11.40)
Externalizing problems	↓	36	64	48.69 (6.75)	48.40 (8.04)
Total behavior problems	↓	30	71	45.38 (8.07)	47.80 (10.82)
ADHD rating scale
Hyperactivity	↓	0	10	4.92 (3.52)*	2.40 (2.80)*
Inattention	↓	0	13	4.00 (2.16)*	1.40 (2.29)*
ARS total	↓	0	23	8.61 (5.82)*	2.60 (2.56)*

ISSN: 1753-2000