Para su investigación utilizaron datos del censo y estadísticas vitales de 1989 y 1990, y en los resultados comprobaron que menores ingresos económicos se asocian a mayor riesgo de mortalidad, pero que el factor más predictivo en este sentido es el grado de educación recibida. Publican su artículo en el último número del "British Medical Journal".
Webs Relacionadas
University of Arkansas
http://www.uark.edu/
British Medical Journal
http://bmj.com/
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