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Table 1 Baseline demographic factors and comorbidity of study participants according to IDA

From: Psychiatric disorders risk in patients with iron deficiency anemia and association with iron supplementation medications: a nationwide database analysis

 IDA GroupNon-IDA Groupp-value
N = 19,397N = 38,794
Age49.08 (17.54)49.08 (17.54)0.999
5012,024 (61.99)24,069 (62.04) 
>  507373 (38.01)14,725 (37.96) 
Gender1.000
 Female14,891 (76.77)29,782 (76.77) 
 Male4506 (23.23)9012 (23.23) 
Income level<  0.001
 Low9366 (48.29)19,247 (49.61) 
 Intermediate8604 (44.36)16,523 (42.59) 
 High1427 (7.36)3024 (7.80) 
Comorbidity
 Hypertension4991 (25.73)7874 (20.30)<  0.001
 DM2719 (14.02)3529 (9.10)<  0.001
 Dyslipidemia2822 (14.55)4435 (11.43)<  0.001
 Hyperthyroidism551 (2.84)752 (1.94)<  0.001
 Hypothyroidism199 (1.03)257 (0.66)<  0.001
 COPD3618 (18.65)5606 (14.45)<  0.001
 Stroke1642 (8.47)2235 (5.76)<  0.001
 CAD2490 (12.84)3594 (9.26)<  0.001
 CKD888 (4.58)412 (1.06)<  0.001
 Cirrhosis566 (2.92)216 (0.56)<  0.001
 Iron supplementation12,450 (64.19)1551 (4.00)<  0.001
Area<  0.001
 Urban11,393 (58.74)23,754 (61.23) 
 Suburban5974 (30.80)11,479 (29.59) 
 Rural1286 (6.63)2216 (5.71) 
 Remote area744 (3.84)1345 (3.47) 
  1. Data are presented as mean ± SD or number (percentage, %). DM Diabetes mellitus, CAD Coronary artery disease, CKD Chronic kidney disease, COPD Chronic Obstructive Pulmonary Disease