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Does college selectivity reduce obesity? A partial identification approach.

Giorgio Brunello1, Dimitris Christelis2, Anna Sanz-de-Galdeano3

  • 1Department of Economics and Management, University of Padova and IZA, Padova, Italia.

Health Economics
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This summary is machine-generated.

Attending a more selective college can lower obesity rates. This study shows that higher education quality reduces obesity in the medium and long term through increased income and healthier lifestyle choices.

Keywords:
college selectivityobesitypartial identification

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Area of Science:

  • Public Health
  • Sociology
  • Economics

Background:

  • Obesity is a major public health concern with complex determinants.
  • The role of higher education quality in shaping long-term health outcomes, like obesity, remains under-examined.

Purpose of the Study:

  • To investigate the causal effect of tertiary education quality, measured by college selectivity, on obesity prevalence.
  • To examine these effects in the medium run (ages 24-34) and the longer run (approximately 10 years later).

Main Methods:

  • Utilized data from the National Longitudinal Study of Adolescent to Adult Health.
  • Employed partial identification methods to address endogeneity of college selectivity and potential violations of the stable unit treatment value assumption.
  • Obtained identification regions for the average treatment effect of college selectivity on obesity.

Main Results:

  • Attending a more selective college causally reduces obesity prevalence in both the medium and longer run.
  • Identified key mediating mechanisms: increased income, reduced physical inactivity, and decreased consumption of fast food and sweetened beverages.

Conclusions:

  • Higher education quality, indicated by college selectivity, has a significant causal impact on reducing obesity.
  • Interventions promoting healthier lifestyles and economic well-being may be influenced by educational attainment and quality.