Why are women slimmer than men in developed countries?

Shiko Maruyama and Sayaka Nakamura

Economics & Human Biology, 2018, vol. 30, issue C, 1-13

Abstract: Women have a lower BMI than men in developed countries, yet the opposite is true in developing countries. We call this the gender BMI puzzle and investigate its underlying cause. We begin by studying time trends in Japan, where, consistent with the cross-country puzzle, the BMI of adult women has steadily decreased since the 1950s, whereas the BMI of adult men has steadily increased. We study how changes in energy intake and energy expenditure account for the over-time gender BMI puzzle using the Japanese National Nutrition Survey from 1975 to 2010, which provides nurse-measured height and weight and nutritionist-assisted food records. Because long-term data on energy expenditure do not exist, we calculate energy expenditure using a steady-state body weight model. We then conduct cross-country regression analysis to corroborate what we learn from the Japanese data.

Keywords: Body mass index; Steady-state body weight; Physical activity; Energy intake; Energy accounting; Occupational gender segregation (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ehbiol:v:30:y:2018:i:c:p:1-13

DOI: 10.1016/j.ehb.2018.04.002

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