Oxford Economic Papers Advance Access published online on October 13, 2009
Oxford Economic Papers, doi:10.1093/oep/gpp034
© Oxford University Press 2009 All rights reserved
The effects on stature of poverty, family size, and birth order: British children in the 1930s

* Department of Economics, University of Essex, Colchester CO4 3SQ, and Australian National University, Canberra, ACT 0200; e-mail: hatton{at}essex.ac.uk
Department of Social Medicine, Canynge Hall, University of Bristol, Bristol BS8 2PS
JEL classifications: J13, I12, I32
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This article examines the effects of socio-economic conditions on the standardized heights and body mass index (BMI) of children in Interwar Britain, using the Boyd Orr cohort, a survey of predominantly poor families taken in 1937–9. We examine the trade-off between child quality (in the form of health outcomes) and the number of children in the family. We find that birth order and family size have negative effects on the heights of children, but not on their BMI. Household income per capita positively influences height but, even after accounting for this, the number of children in the family has a negative effect on height. This latter effect is closely associated with overcrowding and with the degree of cleanliness or hygiene in the household, which conditions exposure to factors predisposing to disease. We also analyse follow-up data, which indicates that the effects of family size on height persisted into adulthood.