For comparison purposes, age groups were re-grouped using similar criteria to those adopted by NHANES 2003-2004and χ test was applied and similar results were obtained Table 5.
Con el propósito de comparación, los grupos etarios fueron reagrupados utilizando criterios similares a aquellos adoptados por el estudio NHANES 2003-2004 y se aplicó el test c, obteniéndose resultados similares Tabla 5.