party     vote choice (20=Labour, 40=Liberals, 60=Conservatives)
manlab    manual labor (1=respondent manual laborer, 0=other)
relig     importance of religion to respondent (0=not important, ...,
            4=very important)  
income    respondent's income (0-12 point scale with 0 lowest income)
townsize  respondent's subjective town size (1=small town/rural,
            2=middle size town, 3=city)
educ      respondent's age at completing formal education (1=14
            yrs. old or younger, ..., 9=22 yrs or older)