data wave
0 = [0]Historical Wave
1 = [1]Wave I
2 = [2]Wave II
3 = [3]Wave III
4 = [4]Wave IV
5 = [5]Wave V
6 = [6]Wave VI
7 = [7]Wave VII

survey unit
1 = [1]household
2 = [2]economic family
3 = [3]tax or administrative unit
4 = [4]other

rural area (dummy)
0 = [0]not rural area
1 = [1]rural area

population size of the locality of residence
1 = [1]non metropolitan / not identified
2 = [2]100,000 -< 250,000 inhab.
3 = [3]250,000 -< 500,000 inhab.
4 = [4]500,000 -< 1,000,000 inhab.
5 = [5]1,000,000 -< 2,500,000 inhab.
6 = [6]2,500,000 -< 5,000,000 inhab.
7 = [7]5,000,000 inhabitants or more

owned/rented housing
100 = [100]owned
110 = [110]owned outright
120 = [120]owned with mortgage
200 = [200]not owned
210 = [210]rented
211 = [211]rented at market price
212 = [212]subsidised rent
220 = [220]free housing
221 = [221]employer provided housing
222 = [222]government/public provided housing
223 = [223]provided by others
224 = [224]illegal occupation

type of dwelling
100 = [100]house
110 = [110]detached house
120 = [120]non-detached house
200 = [200]multi-unit residential building
210 = [210]apartment/flat
220 = [220]other multi-unit
300 = [300]other type of dwelling
310 = [310]movable dwelling
320 = [320]informal dwelling

ownership and cultivation of agricultural land
100 = [100]owned
110 = [110]owned and cultivated by household member(s)
120 = [120]owned and rented out
130 = [130]owned but not used (neither rented out nor cultivated)
200 = [200]not owned
210 = [210]rented in for cultivation
220 = [220]rented in but not cultivated
230 = [230]cultivated for free

grows crops and/or owns livestock
100 = [100]household grows crops and/or owns livestock
110 = [110]household grows crops and owns livestock
120 = [120]household grows crops and does not own livestock
130 = [130]household does not grow crops and owns livestock
200 = [200]household does not grow crops and does not own livestock

farm household (dummy)
0 = [0]not farm household
1 = [1]farm household

household composition
100 = [100]one person household
210 = [210]couple without children
220 = [220]couple with children
230 = [230]one parent with children
310 = [310]couple without children and relatives
320 = [320]couple with children and relatives
330 = [330]one parent with children and relatives
400 = [400]relatives living together (no family nucleus)
510 = [510]couple without children and nonrelatives
520 = [520]couple with children and nonrelatives
530 = [530]one parent with children and nonrelatives
610 = [610]couple without children and relatives and nonrelatives
620 = [620]couple with children and relatives and nonrelatives
630 = [630]one parent with children and relatives and nonrelatives
700 = [700]relatives and nonrelatives living together (no family nucleus)
800 = [800]nonrelatives living together
900 = [900]head and other
910 = [910]couple without children and other
920 = [920]couple with children and other
930 = [930]one parent with children and other

head living with partner
100 = [100]head living with partner
110 = [110]married couple
120 = [120]non-married cohabiting couple
200 = [200]head not living with partner

currency units
528 = [528]NLG - Netherlands Guilder (historic)

gross/net income information
100 = [100]taxes and contributions fully captured
110 = [110]taxes and contributions collected
120 = [120]taxes and contributions imputed
200 = [200]taxes and contributions not captured
300 = [300]taxes and contributions insufficiently captured
310 = [310]total income account for full taxes and contributions, subcomponents do not
320 = [320]total income does not account for full taxes and contributions

household partial income imputation (dummy)
0 = [0]no household member with full income imputation
1 = [1]one or more household members with full income imputation

receipt of fringe benefits, household (dummy)
0 = [0]no receipt of fringe benefits
1 = [1]receives fringe benefits

receipt of in-kind social benefits, household (dummy)
0 = [0]no receipt of in-kind social benefits
1 = [1]receives in-kind social benefits

receipt of gifts (dummy)
0 = [0]no receipt of gifts
1 = [1]receives gifts

payment of voluntary contributions by self (dummy)
0 = [0]no voluntary self-paid contributions
1 = [1]voluntary self-paid contributions

0 = [0]no voluntary contributions paid by others
1 = [1]voluntary contributions paid by others