Table 3.

Percentage of Those with Normal and Abnormal Values for Each Variable

	All Cases				Total
	Diagnosis (+)		Diagnosis (-)
	N	%	N	%
Sex
Boy	41	8.2%	215	42.9%	51.1%
Girl	16	3.2%	229	45.7%	48.9%
Birth weight(wt) [g]
wt < 2500	4	0.8%	43	8.9%	9.7%
wt ≥ 2500	52	10.7%	385	79.5%	90.3%
Gestational age(ga)
ga < 37	4	0.8%	23	4.8%	5.6%
ga ≥ 37	51	10.6%	403	83.8%	94.4%
Apgar score one minute after birth (Ap1)
Ap1 < 7	1	0.4%	4	1.5%	1.9%
Ap1 ≥ 7	35	13.2%	226	85.0%	98.1%
Apgar score five minute after birth (Ap5)
Ap5 < 7	0	0.0%	0	0.0%	0.0%
Ap5 ≥ 7	23	15.3%	127	84.7%	100.0%
4-month-old health check-up
Item based on interviews with mothers
C4_M1
Abnormal	5	1.6%	45	14.6%	16.2%
Normal	29	9.4%	229	74.4%	83.8%
C4_M2
Abnormal	5	1.6%	26	8.4%	10.0%
Normal	29	9.4%	249	80.6%	90.0%
C4_M3
Abnormal	6	1.9%	42	13.5%	15.4%
Normal	26	8.3%	238	76.3%	84.6%
C4_M4
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	33	10.5%	282	89.5%	100.0%
C4_M5
Abnormal	0	0.0%	8	2.6%	2.6%
Normal	33	10.5%	272	86.9%	97.4%
C4_M6
Abnormal	1	0.3%	13	4.2%	4.5%
Normal	30	9.6%	267	85.9%	95.5%
Neurological findings in examinations by pediatricians
C4_P1
Abnormal	0	0.0%	1	0.3%	0.3%
Normal	32	10.3%	279	89.4%	99.7%
C4_P2
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	33	10.5%	280	89.5%	100.0%
C4_P3
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	35	11.1%	279	88.9%	100.0%
C4_P5
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	35	11.1%	279	88.9%	100.0%
C4_P6
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	35	11.1%	279	88.9%	100.0%
C4_P7
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	35	11.1%	279	88.9%	100.0%
C4_P8
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	35	11.1%	279	88.9%	100.0%
C4_P9
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	35	11.1%	279	88.9%	100.0%
C4_P10
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	35	11.1%	279	88.9%	100.0%
C4_P11
Abnormal	0	0.0%	0	0.0%	0.0%
Normal	35	11.1%	279	88.9%	100.0%
10-month-old health check-up
Item based on interviews with mothers
C10_M1
Abnormal	6	1.5%	25	6.2%	7.7%
Normal	39	9.6%	335	82.7%	92.3%
C10_M2
Abnormal	11	2.7%	47	11.6%	14.3%
Normal	35	8.6%	313	77.1%	85.7%
C10_M3
Abnormal	18	4.4%	94	23.2%	27.6%
Normal	28	6.9%	266	65.5%	72.4%
C10_M4
Abnormal	33	8.2%	239	59.6%	67.8%
Normal	12	3.0%	117	29.2%	32.2%
C10_M5
Abnormal	23	5.7%	127	31.3%	36.9%
Normal	23	5.7%	233	57.4%	63.1%
Neurological findings in examinations by pediatricians
C10_P1
Abnormal	3	0.8%	8	2.2%	3.1%
Normal	35	9.8%	310	87.1%	96.9%
C10_P2
Abnormal	1	0.3%	0	0.0%	0.3%
Normal	37	10.4%	318	89.3%	99.7%
C10_P3
Abnormal	1	0.3%	0	0.0%	0.3%
Normal	37	10.4%	318	89.3%	99.7%
C10_P4
Abnormal	1	0.3%	0	0.0%	0.3%
Normal	37	10.4%	318	89.3%	99.7%
C10_P5
Abnormal	1	0.3%	0	0.0%	0.3%
Normal	37	10.4%	318	89.3%	99.7%
C10_P6
Abnormal	2	0.6%	5	1.4%	2.0%
Normal	36	10.1%	314	88.0%	98.0%
C10_P7
Abnormal	1	0.3%	0	0.0%	0.3%
Normal	37	10.4%	318	89.3%	99.7%
C10_P8
Abnormal	1	0.3%	0	0.0%	0.3%
Normal	37	10.4%	318	89.3%	99.7%
C10_P9
Abnormal	1	0.3%	0	0.0%	0.3%
Normal	37	10.4%	318	89.3%	99.7%
C10_P10
Abnormal	1	0.3%	0	0.0%	0.3%
Normal	37	10.4%	318	89.3%	99.7%
18-month-old health check-up
Item based on interviews with mothers
C18_M1
Abnormal	4	0.9%	4	0.9%	1.8%
Normal	51	11.2%	398	87.1%	98.2%
C18_M2
Abnormal	1	0.2%	1	0.2%	0.4%
Normal	54	11.8%	401	87.7%	99.6%
C18_M3
Abnormal	1	0.2%	9	2.0%	2.2%
Normal	53	11.7%	391	86.1%	97.8%
Neurological findings in examinations by pediatricians
C18_P1
Abnormal	8	1.8%	6	1.3%	3.1%
Normal	46	10.3%	387	86.6%	96.9%
C18_P2
Abnormal	1	0.2%	5	1.1%	1.4%
Normal	49	11.1%	387	87.6%	98.6%
C18_P3
Abnormal	1	0.2%	0	0.0%	0.2%
Normal	48	10.9%	391	88.9%	99.8%