Innovation Panel variable: bwtk Birthweight kilograms

Birthweight kilograms

Datafiles

Variable note:

This variable is part of the "random subsetting of questionnaire content" experiment. See the description of experiments in the IP User Guide.

Question asked in the latest wave:

annualfertilityhistory_ip17.bwtk

Question label:

Birthweight kilograms

Question universe:

if [ff_ivlolw = 1 | ff_everint = 1] // Interviewed at prior wave or has been interviewed previously
And if [NextPreg = 1] // Has not reached current pregnancy status
And if [(PregOut = 1|2) | Pregend =2] // Pregnancy or partner's pregnancy ended in live birth or stillbirth
And if [((Preg = 1|2) | (MORPREG = 1)) & LChLv = 1] // Female birth parent and newborn child resident
And if [Bwt = 2] // Birthweight given in kilograms and grams

Further details:
For further details about this question, please see the questionnaires

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	370	99.2%
[Value >= 0]	1	3	0.8%
	Total	373	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.47	370	3.0	4.0	0.5	3

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	1223	99.03%
[Value >= 0]	1	12	0.97%
	Total	1235	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.42	1223	2.8	4.5	0.48	12

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	1453	98.98%
don't know	-1	1	0.07%
[Value >= 0]	1	14	0.95%
	Total	1468	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.44	1454	2.2	5.0	0.72	14

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	1948	98.93%
[Value >= 0]	1	21	1.07%
	Total	1969	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.26	1948	1.4	4.02	0.65	21

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	46	95.83%
[Value >= 0]	1	2	4.17%
	Total	48	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.0	46	3.0	3.0	0	2

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	51	86.44%
[Value >= 0]	1	8	13.56%
	Total	59	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.05	51	1.79	3.6	0.55	8

Mean	Number Missing	Min	Max	Std Dev	N
3.3	64	2.6	3.8	0.62	3

Mean	Number Missing	Min	Max	Std Dev	N
3.45	27	3.2	3.7	0.35	2

Mean	Number Missing	Min	Max	Std Dev	N
3.16	33	2.38	3.7	0.56	4

Mean	Number Missing	Min	Max	Std Dev	N
3.95	28	3.95	3.95	0	1

Mean	Number Missing	Min	Max	Std Dev	N
3.21	51	2.6	3.82	0.86	2

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	39	92.86%
[Value >= 0]	1	3	7.14%
	Total	42	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
2.58	39	2.2	3.05	0.43	3

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	56	93.33%
[Value >= 0]	1	4	6.67%
	Total	60	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.17	56	2.4	3.68	0.55	4

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	40	97.56%
[Value >= 0]	1	1	2.44%
	Total	41	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.8	40	3.8	3.8	0	1

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	60	95.24%
[Value >= 0]	1	3	4.76%
	Total	63	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
2.92	60	2.65	3.07	0.23	3

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	49	94.23%
[Value >= 0]	1	3	5.77%
	Total	52	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
2.87	49	2.5	3.1	0.32	3

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	42	95.45%
[Value >= 0]	1	2	4.55%
	Total	44	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.3	42	3.0	3.6	0.42	2

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	42	97.67%
[Value >= 0]	1	1	2.33%
	Total	43	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
3.8	42	3.8	3.8	0	1

bwtk

Datafiles

Variable note:

Question asked in the latest wave:

annualfertilityhistory_ip17.bwtk

Question label:

Question universe:

What else is Understanding Society doing?

Children’s worries include good grades and rising prices

Calendar Year 2023 data now available

Professor Annette Jäckle debates survey methods on BBC Radio 4

Young people’s aspirations rise with parents’ income

Email newsletter

Datafiles

Variable note:

Question asked in the latest wave:

annualfertilityhistory_ip17.bwtk

Question label:

Question universe:

Wave 7 (g_bwtk natchild_ip)

Wave 4 (d_bwtk natchild_ip)

Wave 2 (b_bwtk natchild_ip)

Wave 1 (a_bwtk natchild_ip)

Wave 17 (q_bwtk newborn_ip)

Wave 16 (p_bwtk newborn_ip)

Wave 15 (o_bwtk newborn_ip)

Wave 14 (n_bwtk newborn_ip)

Wave 13 (m_bwtk newborn_ip)

Wave 12 (l_bwtk newborn_ip)

Wave 11 (k_bwtk newborn_ip)

Wave 10 (j_bwtk newborn_ip)

Wave 8 (h_bwtk newborn_ip)

Wave 7 (g_bwtk newborn_ip)

Wave 6 (f_bwtk newborn_ip)

Wave 5 (e_bwtk newborn_ip)

Wave 4 (d_bwtk newborn_ip)

Wave 3 (c_bwtk newborn_ip)

What else is Understanding Society doing?

Children’s worries include good grades and rising prices

Calendar Year 2023 data now available

Professor Annette Jäckle debates survey methods on BBC Radio 4

Young people’s aspirations rise with parents’ income

Email newsletter