Associations between preterm birth, small-for-gestational age, and neonatal morbidity and cognitive function among school-age children in Nepal

Table 2 Mean (SD) scores on cognitive and motor tests in children 7–9 y of age by conditions at birth

	UNIT		Numbers stroop, failure		Backwards digit		MABC score		Finger tapping test
	(n = 1793)		(n = 1812)		(n = 1814)		(n = 1782)		(n = 1810)
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Not preterm	50.3	10.0	0.30	0.46	1.94	1.12	8.43	6.14	36.6	5.3
Preterm	48.6	9.8	0.37	0.48	1.71	0.99	9.04	6.30	36.3	5.1
Not SGA	51.3	10.3	0.28	0.45	2.00	1.14	7.85	5.82	37.0	5.3
SGA	49.0	9.7	0.35	0.48	1.81	1.06	9.16	6.40	36.0	5.3
Not LBW	51.6	10.1	0.25	0.43	2.05	1.16	7.62	5.59	36.9	5.1
LBW	47.6	9.4	0.42	0.49	1.66	0.95	9.98	6.73	35.8	5.4
No sepsis	50.1	10.1	0.32	0.46	1.91	1.11	8.53	6.14	36.6	5.2
Sepsis	49.7	9.6	0.38	0.49	1.75	0.98	8.76	6.61	35.9	5.7
No birth asphyxia	49.9	10.0	0.32	0.47	1.89	1.1	8.46	6.06	36.5	5.2
Birth asphyxia	52.2	10.6	0.31	0.46	1.97	1.14	9.62	7.50	36.7	5.9

UNIT: Universal Nonverbal Test of Intelligence.
MABC: Movement Assessment Battery for Children.
Preterm defined as gestational age <37 weeks.
Low birth weight defined as <2500 g.
Small for gestational age (SGA) defined as birth weight less than the 10th percentile for a given gestational age and sex using the Alexander US-fetal growth reference (22).
Sepsis defined as at least 2 consecutive days of 2 of the following symptoms: 1) inability or difficulty suckling, 2) lethargy, 3) difficulty breathing, 4) convulsions or stiffness of back, 5) hot to touch or temp > 100 F, 6) cold to touch or temp < 96.6 F, 7) red purulent umbilicus.
Birth asphyxia defined as inability to cry at birth and one of the following symptoms: 1) inability to breathe at birth, 2) convulsions or spasms, or 3) inability to suckle normally after birth.

ISSN: 1471-2431