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Mainstage Variable

zygosity22

multiple birth sibling no. 2: number in hhgrid of first potential twin

Datafile

child

Index term

Fertility

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	9477	100.0%
	Total	9477	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	7118	100.0%
	Total	7118	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	7634	100.0%
	Total	7634	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	8568	100.0%
	Total	8568	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	9559	100.0%
	Total	9559	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	10306	100.0%
	Total	10306	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	11548	100.0%
	Total	11548	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	12568	100.0%
	Total	12568	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	11546	88.71%
	Total	13015	100.0%

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	12895	99.98%
	Total	12898	100.0%

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The Economic and Social Research Council is the primary funder of the study
The Study is led by a team at the Institute for Social and Economic Research (ISER) at the University of Essex.