Confounding factor can be eliminated by-
. a "confounding factor"is defines as one which is associated both with exposure and disease and is distributed unequally in study and control groups.a cofounding factor by itself is a risk factor for the disease independently of any association.which can be eliminated mainly by matching. ref:park&;s textbook,ed22,pg no 63
Correlation
Standardization
Randomization
Matching
Epidemiology