Table 3.

Association between iron deficiency anemia (IDA) and psychiatric disorders

OR (95% CI)	Male	Female	Children (Age <13)	Adolescent (Age≧13)	All
Schizophrenia	2.20 (0.40, 12.02)	2.15 (0.76, 6.10)	4.35 (0.27, 69.56)	2.04 (0.79, 5.28)	2.11 (0.86, 5.15)
Unipolar depressive disorder	2.36 (1.10, 5.10)	2.37 (1.51, 3.73)	1.33 (0.58, 3.04)	2.89 (1.84, 4.54)	2.34 (1.59, 3.46)
Bipolar disorder	8.80 (0.80, 97.14)	5.56 (1.98, 15.70)	5.20 (0.83, 32.71)	6.05 (1.97, 18.58)	5.80 (2.24, 15.05)
OCD	0.78 (0.08, 7.48)	3.07 (0.67, 14.13)	--	3.01 (0.77, 11.77)	1.87 (0.55, 6.40)
Anxiety disorder	1.73 (1.02, 2.94)	2.69 (1.57, 4.62)	1.29 (0.74, 2.26)	3.71 (2.16, 6.37)	2.17 (1.49, 3.16)
ASD	2.66 (1.41, 5.00)	4.07(1.39, 11.90)	3.00 (1.70, 5.27)	2.55 (0.40, 16.24)	3.08 (1.79, 5.28)
ADHD	1.51 (1.12, 2.04)	2.00 (1.14, 3.49)	1.50 (1.12, 1.99)	2.54 (1.31, 4.95)	1.67 (1.29, 2.17)
Tic disorder	1.23 (0.66, 2.30)	2.95 (1.27, 6.86)	1.41 (0.81, 2.43)	3.73 (1.12, 12.48)	1.70 (1.03, 2.78)
Delay in development	1.95 (1.50, 2.53)	3.48 (2.48, 4.88)	2.23 (1.79, 2.78)	3.88 (2.17, 6.95)	2.45 (2.00, 3.00)
Mental retardation	3.09 (2.08, 4.61)	2.13 (1.34, 3.40)	3.01 (2.09, 4.32)	2.08 (1.22, 3.57)	2.70 (2.00, 3.65)

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

Bold type denotes statistically significant odds ratio (OR).