A national prevalence and profile of single and multiple developmental delays among children aged from 1 year up to 12 years: an Egyptian community-based study

Table 1 Characteristics of the study population

Variable	Total surveyed children N = 41,640 N (%)
Age
1- < 3 years	8382 (20%)
3- < 6 years	12,933 (31%)
6–12 years	20,324 (49%)
Gender
Boys	21,437 (51.5%)
Girls	20,203 (48.5%)
Perinatal problems
Premature children (< 37 weeks gestation)	413 (1%)
Low birth weight (< 2500 mg)	1848 (4.4%)
children suffer from jaundice after birth	11,028 (26.5%)
children suffer from bluish discoloration after birth (Cyanosis)	546 (1.3%)
children suffer from any convulsions	675 (1.6%)
children kept in an incubator for more than two days	3078 (7.4%)
Mothers have any health problem during pregnancy*	2770 (6.6%)
difficult labor**	6092 (14.6%)

*Mothers have any pregnancy complications as iron deficiency anemia, gestational diabetes, hypertension, infection, anxiety, or depression [28]
**Difficult labor refers to prolongation in the duration of labor, typically in the first stage of labor. It can be an important contributor to maternal and perinatal mortality and morbidity if it remains unrecognized or untreated [29]

ISSN: 1753-2000