Schoolchildren with Learning Difficulties Have Low Iron Status and High Anemia Prevalence

Table 1

Baseline characteristics of sample, by group.

Baseline characteristics of sample	With learning difficulty (case)	Without learning difficulty (control)	value
	42	58
Age (years; SD)	8.9 (0.6)	9.0 (0.5)	0.77^†
Gender (male : female)	0.9 : 1	1 : 1
Mother ≤ 8 y of schooling	30	40	0.82^‡
Family’s monthly income ≤ 300 USD	28	45	0.26^‡
Birth weight (kg mean; SD)	3.1 (0.7)	3.0 (0.6)	0.88^†
Birth weight < 2.5 kg	4	8	0.76^‡
Breast-fed for any period of time	39	50	0.35^‡
Breast-fed ≥ 6 m	16	24	0.84^‡

All data are mean or number (%) unless indicated otherwise.
SD standard deviation.
^†Unpaired -test.
^‡Fisher’s exact test.