Unplanned pregnancy and the impact on sibling health outcomes

Lordan, Grace and Frijters, Paul (2013) Unplanned pregnancy and the impact on sibling health outcomes. Health Economics, 22 8: 903-914. doi:10.1002/hec.2866

Author Lordan, Grace
Frijters, Paul
Title Unplanned pregnancy and the impact on sibling health outcomes
Journal name Health Economics   Check publisher's open access policy
ISSN 1057-9230
Publication date 2013-08
Year available 2012
Sub-type Article (original research)
DOI 10.1002/hec.2866
Volume 22
Issue 8
Start page 903
End page 914
Total pages 12
Place of publication United Kingdom
Publisher John Wiley & Sons
Collection year 2014
Language eng
Formatted abstract
This work considers whether planning matters with respect to the effect of a new sibling on another siblings' health. Objective health outcomes are observed before and after a new addition to the family. To date, the literature on family size has focused on a quality–quantity trade-off; the more children in a family, the less resources devoted to each child. We present a theoretical framework which highlights that the quantity–quality trade-off may only be relevant in the case of an unplanned sibling. We also suggest that a planned sibling may result in health gains for the other children. We use two waves of data for more than 1800 children from Peru from the Young Lives Project to test our hypothesis. The data relate to the children at 1 and 5 years. For health outcomes, height for age and weight for age Z are considered. The results highlight significant negative independent effects on height for age when an unplanned sibling is added to the household. In addition, we find positive sibling effects on height for age when a planned sibling arrives. We find only small planning effects for weight for age. We view our hypothesis as a pathway that can further explain the quantity–quality trade-off.
Keyword Unplanned pregnancy
Child health
Parental investments
Health outcomes
Height for age
Weight for age
Young lives
Unintended pregnancy
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Article first published online: 31 AUG 2012

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Economics Publications
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Citation counts: TR Web of Science Citation Count  Cited 2 times in Thomson Reuters Web of Science Article | Citations
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