Outline of the Third Longitudinal Survey of Newborns in the 21st Century

Statistics

Statistics 1

Breakdown of siblings: newly born brother(s)/sister(s) (see also p.3 Table 1 and Figure 1)

		Total number	W/younger sibling(s)	(Previously reported)		W/o younger sibling(s)
		Total number	W/younger sibling(s)	Increased from the 1st to 2nd Survey	Increased from the 2nd to 3rd survey	W/o younger sibling(s)
Total number		42 803	8246	1647	6632	34557
	W/ elder sibling(s)	21 898	1887	425	1470	20011
	W/o elder sibling(s)	20 905	6359	1222	5162	14546
Boys		22 220	4310	885	3443	17910
	W/ elder sibling(s)	11 528	1014	232	784	10514
	W/o elder sibling(s)	10 692	3296	653	2659	7396
Girls		20 583	3936	762	3189	16647
	W/ elder sibling(s)	10 370	873	193	686	9497
	W/o elder sibling(s)	10 213	3063	569	2503	7150

Statistics 2

Changes in the number of siblings (see also p.3 Table 2)

		Second Survey
		Total	1 (Only child)	2	3 or more
3rd Survey	Total	41657	19171	16238	6248
	1 (Only child)	14157	14139	15	3
	2	20004	4981	14998	25
	3 or more	7496	51	1225	6220

Notes:

1)	Calculated based on total responses from the 2nd and 3rd surveys.
2)	( ) means those who didn't have any additional siblings.

Statistics 3

Changes in the composition of families living together (see also p.3 Table 3)

			First Survey	Second Survey	Third Survey
Total			47015	43925	42803
Living with parents			45902	42581	41057
	W/ parents, or parents & sibling(s)		36029	33149	31940
		W/ parents only	17970	15639	11119
		W/parents and siblings	18059	17510	20821
	W/ parents and grand parent(s)		9648	9256	8933
		W/ parents and mother's parent(s)	2557	2479	2435
		W/ parents and father's parent(s)	7057	6759	6463
		W/ parents and grandparents	34	18	35
	W/ parents and others		225	176	184
Living with single parent			1072	1313	1723
	W/ mother only, or mother & sibling(s)		396	530	743
	W/ mother and grandparents, etc.		662	730	882
	W/ father only, or father & sibling(s)		-	9	23
	W/ father and grandparents, etc.		14	44	75
Others			27	30	22

Notes:

1)	Calculated based on total responses from each survey.
2)	"Total includeds in the total number of the"unknown" of composition of families living together.

Statistics 4

Fathers working away from home (see also p.3 Table 4)

	Total	Living with		Living separately Working away from home	Others	(Previously reported) Working away from home
	Total		Working away from home	Living separately Working away from home	Others	(Previously reported) Working away from home
2nd Survey	43925	42684	523	230	1061	753
3rd Survey	42803	41155	803	230	1418	1033

Notes:

1)	Calculated based on total responses from each survey.
2)	The "fathers working away from home" in the "living together" category means those who go back home regularly.

Statistics 5

Changes in proportion of mothers with a job (see also p.4 Figure 2)

	Total	Unemployed	Employed	Unknown
First Survey	41524	30702	10388	434
Second Survey	41524	28529	12783	212
Third Survey	41524	26725	14535	264

Note:

The above figures represent total responses only where children live with their mothers through 1st to 3rd surveys

Statistics 6

Changes in employment status of mothers in terms of whether or not living with grandparents
(see also p.4 Table 5)

		2nd Survey
		Total	Unemployed		Employed
		Total		(Previously reported) Seeking a job		(Previously reported) Full time	(Previously reported) Part time
3rd Survey	Total	41539	28538	3348	12789	6200	4053
	Unemployed	26734	25038	2013	1570	309	660
	Employed	14541	3299	1315	11161	5880	3361
	Living separately from grandparents	32054	23036	2471	8865	4308	2884
	Unemployed	21741	20510	1539	1135	222	477
	Employed	10115	2371	916	7692	4080	2384
	Living with grandparents	9485	5502	877	3924	1892	1169
	Unemployed	4993	4528	474	435	87	183
	Employed	4426	928	399	3469	1800	977

Notes:

The above figures represent total responses only where children live with their mothers at both times of the Second and Third Surveys.

"Unemployed" in the 2nd survey includes "job-seeking status is unknown" and students. "Employed" includes "self-employed or family business", "side job", and "others"

In the "Total" of the Second survey, "unemployed or "employed" includes "Unknown".

"Total" in the 3rd survey includes "Unknown" in terms of status of "family members living together" and "mother's occupation".

(

)

means no change in terms of mother's occupation status.

Statistics 7

Mother's occupation (see also p.4 Figure 3)

		Newly employed during the past year	Employed since one-year before deliveries
Total		3299	7902
	Professional or technical work	599	2985
	Managerial work	16	99
	Deskwork	762	2591
	Sales work	492	578
	Service work	694	776
	Security service work	1	43
	Agriculture, forestry and fisheries	75	116
	Transportation and communications	24	24
	Product processing/manufacturing	458	517
	Others	178	173

Note:

Calculated based on total responses only where children live with their mothers through First to Third Surveys.

Statistics 8

Change in employment status of mothers with only one child at the time of the First Survey
(see also p.5 Figure 4)

One year before delivery	First Survey	Second Survey	Third Survey	Mothers who delivered another child(ren) by the time of the Third Survey				Mothers with only one child by the time of the Third Survey
				One year before delivery	First Survey	Second Survey	Third Survey	One year before delivery	First Survey	Second Survey	Third Survey
Total	Total	Total	Total	6056	6056	6056	6056	13775	13775	13775	13775
Unemployed	Unemployed	Unemployed	Unemployed	1428	1383	1323	1274	3617	3512	3242	2973
			Employed				49				269
		Employed	Unemployed			60	27			270	68
			Employed				33				202
	Employed	Unemployed	Unemployed		45	18	16		105	28	16
			Employed				2				12
		Employed	Unemployed			27	8			77	12
			Employed				19				65
Employed	Unemployed	Unemployed	Unemployed	4628	3254	2991	2814	10158	6752	5683	4911
			Employed				177				772
		Employed	Unemployed			263	155			1069	200
			Employed				108				869
	Employed	Unemployed	Unemployed		1374	297	236		3406	444	316
			Employed				61				128
		Employed	Unemployed			1077	157			2962	150
			Employed				920				2812
Total number of the Unemployed of each survey (%)				1428 (23.6)	4637 (76.6)	4629 (76.4)	4687 (77.4)	3617 (26.3)	10264 (74.5)	9397 (68.2)	8646 (62.8)
Total number of the Employed of each survey (%)				4628 (76.4)	1419 (23.4)	1427 (23.6)	1369 (22.6)	10158 (73.7)	3511 (25.5)	4378 (31.8)	5129 (37.2)
The number of mothers who were employed one year before deliveries, and were unemployed at the 1st Survey, then back to the status of employed (%)						263 (8.1)	285 (8.8)			1069 (15.8)	1641 (24.3)

Note:

Calculated based on total responses only where children live with their mothers through First to Third Surveys. Excluding those whose employment status are Unknown.

Statistics 9

Usual caregivers in the breakdown of family members living together (Multiple answers)
(see also p.6 Table 6)

			Total	Mother	Father	Grandmother on mother's side	Grandfather on mother's side	Grandmother on father's side	Grandfather on father's side	Nursery school teacher	Nursery mother or baby sitter	Others
2nd Survey			43 925	41 835	21 703	6 695	2 526	5 486	2 380	8 061	218	1 040

3rd Survey			42 803	39 734	19 081	6 274	2 429	5 153	2 189	11 374	182	991
Living with parents			41 057	38 384	19 019	5 580	2 169	5 015	2 135	10 355	167	898
	W/ parents, or parents & sibling(s) only		31 940	30 291	15 999	3 749	1 470	1 708	771	7 823	140	500
		W/ parents only	11 119	10 495	5 982	1 514	571	636	309	2 882	54	161
		W/ parents and sibling(s)	20 821	19 796	10 017	2 235	899	1 072	462	4 941	86	339
	W/ parents and grand parent(s)		8 933	7 926	2 943	1 820	697	3 302	1 363	2 475	26	370
		W/ parents and mother's parent(s)	2 435	2 125	724	1 520	572	69	11	656	8	121
		W/ parents and father's parent(s)	6 463	5 772	2 208	290	121	3 222	1 349	1 807	17	248
		W/ parents and grand parents	35	29	11	10	4	11	3	12	1	1
	W/ parents and others		184	167	77	11	2	5	1	57	1	28
Living with single parent			1 723	1 350	62	681	255	132	50	1 009	15	87
Others			22	-	-	13	5	6	4	10	-	5

Notes:

1)	Calculated based on total responses from each survey
2)	Total includes the number of "Unknown" in "Usual caregivers" and in "the composition of families living together."

Statistics 10

Changes in the proportion of caregivers (see also p.6 Figure 5)

	First Survey	Second Survey	Third Survey
Total	41657	41657	41657
Mother only	17383	12475	12475
Parents only	13653	12052	9962
Mother and grandparents	3008	4185	3886
Parents and grandparents etc.	5371	4496	3483
Combination with nursery school teachers, etc.	790	7431	9976
Other combinations	1443	1002	1849
Unknown	9	16	26

Note:

Calculated based on total responses from the First to Third Surveys.

Statistics 11

Dwelling types in the breakdown of urban/rural areas and family members living together
(see also p.7 Table 7)

		Total	Parents only	Parents and siblings only	Parents and grandparent(s)	Parents and others	Single parent	Others
Total		42803	11119	20821	8933	184	1723	22
	Single family houses	22246	3331	9271	8533	146	950	14
	Collective housings	20352	7741	11450	368	38	749	6
	Unknown	205	47	100	32	-	24	2
14 major cities		9372	3065	4930	990	36	346	5
	Single family houses	2919	558	1372	835	24	128	2
	Collective housings	6397	2488	3535	148	12	211	3
	Unknown	56	19	23	7	-	7	-
Other cities		25140	6585	12493	4921	101	1034	6
	Single family houses	13194	2070	5767	4718	80	556	3
	Collective housings	11832	4492	6661	189	21	467	2
	Unknown	114	23	65	14	-	11	1
Rural areas		8224	1437	3363	3022	47	343	11
	Single family houses	6111	693	2120	2980	42	266	9
	Collective housings	2079	740	1231	31	5	71	1
	Unknown	34	4	12	11	-	6	1

Note:

Living "abroad" and family members living together "Unknown" are also included in the total.

Statistics 12

Bedtime and wakeup time for children (see also p.7 Table 8)

		2nd Survey	3rd Survey: wakeup time
		Bedtime	Total	Before 6 am	6:00 - 6:59 am	7:00 - 7:59 am	8:00 - 8:59 am	9:00 - 9:59 am	After 10:00 am	Irregular	Unknown
Bed time	Total	(41657)	41657	542	7516	19356	9459	2799	707	1101	177
	Before 8 pm	(703)	540	84	284	156	13	2	1	-	-
	8:00 - 8:59 pm	(6217)	4364	242	1905	1969	225	16	1	5	1
	9:00 - 9:59 pm	(17111)	16334	175	4195	9572	2165	182	12	27	6
	10:00 - 10:59 pm	(11063)	13238	34	990	6414	4656	973	67	100	4
	After 11:00 pm	(4237)	5033	3	58	785	1926	1425	570	259	7
	Irregular	(1588)	1867	4	54	400	451	196	54	707	1
	Unknown	(738)	281	-	30	60	23	5	2	3	158

Note:

Calculated based on total responses from the 2nd and 3rd Surveys.

Statistics 13

Sleeping hours in the breakdown of nap frequency for children (see also p.7 Table 9)

		Sleeping hours
		Total	Less than 8 hours	In the range of 8 hours	In the range of 9 hours	In the range of 10 hours	In the range of 11 hours	Irregular	Unknown
Nap	Total	42803	910	3176	12634	17201	6229	2337	316
	Everyday	30239	784	2650	10669	12322	2589	1116	109
	Sometimes	9344	115	471	1724	3893	2106	988	47
	Rarely	3064	10	55	236	984	1534	232	13
	Unknown	156	1	-	5	2	-	1	147

Note:

Nap hours are not included in the sleeping hours.

Statistics 14

Children's nap frequency in the breakdown of caregivers in the day (see also p.8 Table 10)

	Total	Everyday	Sometimes	Rarely	Unknown
Total	42803	30239	9344	3064	156
Mother	30254	18694	8506	2952	102
Father	89	62	22	3	2
Grandmother	2104	1587	435	76	6
Grandfather	149	107	33	8	1
Nursery school teacher	9905	9559	291	13	42
Nursery mother/Babysitter	53	48	4	1	-
Others	112	81	24	6	1
Unknown	137	101	29	5	2

Statistics 15

Concerns about children's eating behavior in the breakdown of the combination of caregivers
(multiple answers) (see also p.8 Table 11)

	Total	Concerned								Not concerned in particular
	Total		Eats very little	Eats too much or very little at times	Has many likes and dislikes	Does not bite well	Does not sit still when eating	Skips breakfast sometimes	Other	Not concerned in particular
Total	42803	34180	4852	19034	10698	7886	20383	5051	2584	8312
Mother only	12802	10141	1599	5570	3272	2311	5857	1368	741	2558
Parents only	10125	8162	1239	4503	2808	1941	4682	1036	640	1896
Mother and grandparents, etc.	3973	3283	524	1919	1007	747	2129	521	272	658
Parents and grandparents, etc.	3573	2982	451	1803	943	689	1920	488	234	572
Mother and nursery school teachers, etc.	2936	2297	248	1269	681	525	1337	398	153	616
Parents and nursery school teachers, etc.	3485	2742	278	1427	781	657	1643	440	220	731
Mother, grandparents, nursery school teachers, etc.	1029	810	91	442	222	179	504	140	66	205
Parents, grandparents, and nursery school teachers, etc.	1811	1420	139	786	389	326	905	243	116	376
Grandparents and others only; or grandparents and nursery school teachers, etc.	1080	836	125	481	208	179	546	128	58	240
Other combinations	1962	1488	156	823	382	328	846	284	84	453
Employment status of mother
Unemployed	27326	22056	3413	12244	7288	5184	13089	3086	1691	5079
Employed	15077	11810	1387	6614	3321	2641	7101	1912	877	3157

Notes:

1)	Caregiver combinations "Unknown" as well as concerned or not concerned "Unknown" are included in the total.
2)	Employment status of mother only includes data where the child lives together with his/her mother.

Statistics 16

Concerns about eating behaviors in the breakdown of children's obesity (multiple answers)
(see also p.8 Table 12)

	Total	Concerned								Not concerned in particular
	Total		Eats very little	Eats too much or very little at times	Has many likes and dislikes	Does not bite well	Does not sit still when eating	Skips breakfast sometimes	Other	Not concerned in particular
Total	42803	34180	4852	19034	10698	7886	20383	5051	2584	8312
Slightly underweight	4068	3383	1102	2014	1032	632	2057	550	210	646
Normal	25481	20450	2713	11472	6537	4735	12323	2901	1495	4870
Slightly obese	5095	3909	167	1847	1173	1128	2194	569	430	1149
Unknown	8159	6438	870	3701	1956	1391	3809	1031	449	1647

Note:

Concerned or not concerned "Unknown" is also included in the total.

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