I have a series of dummy variables all of which are coded 0 and 1 and I have been unable to find in the documentation how SAS converts these into dummies. 1 in the original code means you are in a specific group (like Hispanic, 0 would mean non-Hispanic in this case). Does Genmod maintain that coding or does it reverse it (making a 1 a 0 and 0 a 1). These have all been declared CLASS variables. For example in the following does the defaults mean that (given the original coding noted above) that being 25 to 44 you are .2839 higher on average (the reverse of the sign shown which is for the 0 level).