Given that they were students from the Open System, it is noted that ages in both groups were similar, the mean age in the study group was 40 ± 6.7 years and in the control group it was 39 ± 8.6 years.
Siendo estudiantes del Sistema de Universidad Abierta, se observa que la edad en ambos grupos es semejante: la media en el grupo de estudio fue de 40±6.7 años; en el grupo control, 39±8.6 años.