Association between psychiatric disorders and iron deficiency anemia among children and adolescents: a nationwide population-based study

Table 1 Characteristics of patients with iron deficiency anemia (IDA)

Characteristics of IDA	Male	Female	p-value	All
No.	1060	1897
Age (years)	7.46 ± 5.68	12.34 ± 5.46	<0.001	10.59 ± 6.02
Associated diseases, N (%)
Schizophrenia	2 (0.2)	6 (0.3)	0.719	8 (0.3)
Unipolar depressive disorder	12 (1.1)	36 (1.9)	0.104	48 (1.6)
Bipolar disorder	2 (0.2)	11 (0.6)	0.154	13 (0.4)
OCD	1 (0.1)	3 (0.2)	>0.999	4 (0.1)
Anxiety disorder	21 (2.0)	24 (1.3)	0.158	45 (1.5)
ASD	17 (1.6)	7 (0.4)	0.001	24 (0.8)
ADHD	64 (6.0)	20 (1.1)	<0.001	84 (2.8)
Tic disorder	14 (1.3)	9 (0.5)	0.027	23 (0.8)
Delayed development	90 (8.5)	64 (3.4)	<0.001	154 (5.2)
Mental retardation	47 (4.4)	28 (1.5)	<0.001	75 (2.5)

OCD obsessive-compulsive disorder, ASD autistic spectrum disorder, ADHD attention-deficit hyperactivity disorder.

ISSN: 1471-244X