Main survey variable: bwtlb Birthweight in pounds

Birthweight in pounds

Datafiles

Index terms

Derived variable note:

Birth weight: Pounds (BHPS)

See BWTG5, BWTGM, BWTKN, BWTOZ, BWTWK, BWTXP

Derived variable note:

Uses BW_BWTLB on data file BW_INDRESP/

Question asked in the latest wave:

annualfertilityhistory_w15.bwtlb

Question label:

Birthweight in pounds

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 = 1] // Birthweight given in pounds and ounces

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

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	63332	82.35%
refusal	-2	1	0.0%
don't know	-1	30	0.04%
[Value >= 0]	1	13545	17.61%
	Total	76908	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.86	63363	1.0	14.0	1.4	13545

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	278	52.06%
[Value >= 0]	1	256	47.94%
	Total	534	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.99	278	3.0	16.0	1.35	256

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	292	54.78%
refusal	-2	1	0.19%
[Value >= 0]	1	240	45.03%
	Total	533	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
7.02	293	3.0	10.0	1.23	240

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	350	57.38%
refusal	-2	2	0.33%
don't know	-1	1	0.16%
[Value >= 0]	1	257	42.13%
	Total	610	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.96	353	3.0	11.0	1.23	257

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	298	53.79%
[Value >= 0]	1	256	46.21%
	Total	554	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.97	298	2.0	10.0	1.34	256

Value label	Value	Absolute frequency	Relative frequency
missing	-9	1	0.14%
inapplicable	-8	406	56.86%
refusal	-2	3	0.42%
don't know	-1	1	0.14%
[Value >= 0]	1	303	42.44%
	Total	714	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.94	411	1.0	11.0	1.35	303

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	412	53.23%
[Value >= 0]	1	362	46.77%
	Total	774	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.93	412	1.0	12.0	1.44	362

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	449	54.29%
refusal	-2	1	0.12%
[Value >= 0]	1	377	45.59%
	Total	827	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.95	450	2.0	11.0	1.36	377

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	499	53.43%
don't know	-1	1	0.11%
[Value >= 0]	1	434	46.47%
	Total	934	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.84	500	1.0	16.0	1.43	434

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	525	55.73%
don't know	-1	1	0.11%
[Value >= 0]	1	416	44.16%
	Total	942	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
7.11	526	2.0	10.0	1.26	416

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	451	49.08%
don't know	-1	2	0.22%
[Value >= 0]	1	466	50.71%
	Total	919	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
7.02	453	2.0	11.0	1.34	466

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	558	49.21%
[Value >= 0]	1	576	50.79%
	Total	1134	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
7.04	558	2.0	11.0	1.28	576

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	659	50.04%
[Value >= 0]	1	658	49.96%
	Total	1317	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
7.03	659	1.0	17.0	1.46	658

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	691	48.02%
[Value >= 0]	1	748	51.98%
	Total	1439	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.99	691	1.0	11.0	1.3	748

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	811	48.25%
[Value >= 0]	1	870	51.75%
	Total	1681	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.96	811	1.0	18.0	1.45	870

Value label	Value	Absolute frequency	Relative frequency
missing	-9	162029	96.23%
inapplicable	-8	685	0.41%
	Total	168377	100.0%

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bwtlb

Datafiles

Index terms

Derived variable note:

Derived variable note:

Question asked in the latest wave:

annualfertilityhistory_w15.bwtlb

Question label:

Question universe:

Saved variables

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Datafiles

Index terms

Derived variable note:

Derived variable note:

Question asked in the latest wave:

annualfertilityhistory_w15.bwtlb

Question label:

Question universe:

Wave 1 (a_bwtlb natchild)

Wave 15 (o_bwtlb newborn)

Wave 14 (n_bwtlb newborn)

Wave 13 (m_bwtlb newborn)

Wave 12 (l_bwtlb newborn)

Wave 11 (k_bwtlb newborn)

Wave 10 (j_bwtlb newborn)

Wave 9 (i_bwtlb newborn)

Wave 8 (h_bwtlb newborn)

Wave 7 (g_bwtlb newborn)

Wave 6 (f_bwtlb newborn)

Wave 5 (e_bwtlb newborn)

Wave 4 (d_bwtlb newborn)

Wave 3 (c_bwtlb newborn)

Wave 2 (b_bwtlb newborn)

Wave xwave (bwtlb xwavedat)

Saved variables 0

What else is Understanding Society doing?

Call for new fellows open

Diversity or disadvantage? Families and employment of immigrants’ children in the UK

New variable search

New edition of marital and cohabitation histories

Email newsletter

Saved variables

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