Variable Name	Description
m_sei	Mean SEI
p16under	%Age 16 and younger
p60over	%Age 60 and older
pblk	%Black
pbrt	%British
pbrt1	%1st-gen British
pbrt2	%2nd-gen British
pcan	%Canadian
pcan1	%1st-gen Canadian
pcan2	%2nd-gen Canadian
pchn	%Chinese
pchn1	%1st-gen Chinese
pchn2	%2nd-gen Chinese
pdan	%Danish
pdan1	%1st-gen Danish
pdan2	%2nd-gen Danish
pfborn	%Foreign-born
pfra	%French
pfra1	%1st-gen French
pfra2	%2nd-gen French
pger	%German
pger1	%1st-gen German
pger2	%2nd-gen German
phhmc	%Household of married couples with child
pire	%Irish
pire1	%1st-gen Irish
pire2	%2nd-gen Irish
pmarried	%Married among age18+
pmlt	%Mulatto
pnor	%Norwegian
pnor1	%1st-gen Norwegian
pnor2	%2nd-gen Norwegian
pntv	%American Indian
psei_f	%Women with SEI among age 15-64
psei_m	%Men with SEI among age 15-64
psei_t	%Men and women with SEI among age 15-64
pswe	%Swedish
pswe1	%1st-gen Swedish
pswe2	%2nd-gen Swedish
pyan	%Yankee
sex_ratio	Sex ratio age 18-44