With respect to socio-economic level, the lowest levels predominated 1 = 26.9%, 2 = 39.8%, 3 = 25.7%, 4 = 5.5%, and 5 = 1.0%.
Por estrato socioeconómico predominaron los estratos más bajos 1 = 26.9%, 2 = 39.8%, 3 = 25.7%, 4 =5.5%, y 5 = 1.0%.