i = Imputed
z = item #
y = Mail or Phone
xxx = personality dimension (EXTraversion, NEUroticism, OPEnness, CONscientiousness, AGReeableness)
j = imputed file #
where variable name (impj_xxx92_yz):
* with 'sp' indicating spouse info and 'femX' indicating an interaction with female
lnwealth92 = logged net worth
lnhomeval = logged home value (not equity)
ln*earn = logged earnings
ln*inc = logged income from all sources
ed* - years of education dummies
*occinc92 - occupational income
*occed92 - occupational education
z_iqr - hn test
ses57 - family background variable