In the file speakers.xls information is available about the speakers.

The information that can be found in the successive columns in speakers.xls is as follows:
 

type
specifies the type of header: PARTICIPANT
creator
specifies who is responsible for this header: CLS-KUN (for the Dutch data) or ELIS-UG (for the Flemish data)
version
the current version of the header info: HEADER.version1.0
update
date the header information was last updated
ID
speaker identification code: N..... or V....., e.g. N00023 / V00023 (N denotes a Dutch speaker; V denotes a Flemish speaker)
sex
speaker’s sex: sex1 = male; sex2 = female; sexX = unknown
birthYear
year of birth; in case the information is not available 19nn is given as birthYear
birthPlace
place of birth, represented in terms of the first three digits of the postal code preceded by the country code (B for Belgium, NL for The Netherlands; e.g. B-994, NL-832). For larger cities in the Netherlands several postal codes may apply. When this is the case, the postal code has been represented in terms of the first two digits that these codes have in common, while the variable third digit has been replaced by a hyphen (e.g. NL-25-). Where information concerning the place of birth is not available, xxx has been used. For speakers not born in Belgium or The Netherlands the place of birth is represented by the country code only.
birthRegion
(geographical) region where the speaker was born. For a list of regions distinguished, see below.
language
language (variety) speaker uses in the sample: SD = Standard Dutch; regiolect (e.g. regiolect: Antwerpen); dialect (e.g. dialect: Bree); unknown
firstLang
language (variety) speaker was raised in: SD = Standard Dutch; regiolect (e.g. regiolect: Antwerpen); dialect (e.g. dialect: Bree); unknown
homeLang
language (variety) speaker uses at home: SD = Standard Dutch; regiolect (e.g. regiolect: Antwerpen); dialect (e.g. dialect: Bree); unknown
workLang
language (variety) speaker uses at work: SD = Standard Dutch; regiolect (e.g. regiolect: Antwerpen); dialect (e.g. dialect: Bree); unknown
resPlace
speaker’s place of residence, represented in terms of the first three digits of the postal code preceded by the country code (B for Belgium, NL for The Netherlands; e.g. B-994, NL-832). For larger cities in the Netherlands several postal codes may apply. When this is the case, the postal code has been represented in terms of the first two digits that these codes have in common, while the variable third digit has been replaced by a hyphen (e.g. NL-25-). For places outside of Holland and Belgium, the country code is provided instead of the postal code. xxx is used whenever the information is not available.
resRegion
(geographical) region where the speaker resides. For a list of regions distinguished, see below.
eduPlace
place where speaker attended secondary education (place where speaker lived for the most part between ages 4 and 16) represented in terms of the first three digits of the postal code preceded by the country code (B for Belgium, NL for The Netherlands; e.g. B-994, NL-832). For larger cities in the Netherlands several postal codes may apply. When this is the case, the postal code has been represented in terms of the first two digits that these codes have in common, while the variable third digit has been replaced by a hyphen (e.g. NL-25-). For places outside of Holland and Belgium, the country code is provided instead of the postal code. xxx is used whenever the information is not available.
eduRegion
(geographical) region where speaker lived while he/she attended secondary education (region where speaker lived for the most part between ages 4 and 16). For a list of regions distinguished, see below.
eduSize
indication of the (present) size of the place where the speaker resided while he was between 4 and 16 years of age; size1 = over 100,000 inhabitants; size2 = between 50,000 and 100,000 inhabitants; size3 = between 25,000 and 50,000 inhabitants; size4 = between 10,000 and 25,000 inhabitants; size5: between 5,000 and 10,000 inhabitants; size6 = fewer than 5,000 inhabitants; sizeX = size unknown
education
type of education; e.g. lager onderwijs, mbo, universiteit
eduLevel
level of education: edu1 = high, edu2 = middle, edu3 = low, eduX = unknown
occupation
speaker’s occupation
occLevel
occupational level. For the Netherlands occupational levels occ1 up to and including occ9 are distinguished. For Flanders, the levels occa up to and including occj are distinguished. In case someone has been trained for one occupation but presently holds some different job, this has been indicated by combining two or more occLevel descriptions, as for example in occC+G where a professor is also a politician. occX is used whenever the occupational level is unknown.
notes
further notes about the speaker
 

Geographical regions:

regN1a   The Netherlands, central region, Zuid-Holland, excl. Goeree Overflakee
regN1b   The Netherlands, central region, Noord-Holland, excl. West-Friesland
regN1c   The Netherlands, central region, West-Utrecht, incl. the city of Utrecht

regN2a   The Netherlands, transitional region, Zeeland, incl. Goeree Overflakee and Zeeuws-Vlaanderen
regN2b   The Netherlands, transitional region, Oost-Utrecht, excl. the city of Utrecht
regN2c   The Netherlands, transitional region, Gelders rivierengebied, incl. Arnhem and Nijmegen
regN2d   The Netherlands, transitional region, Veluwe up to the river IJssel
regN2e   The Netherlands, transitional region, West-Friesland
regN2f   The Netherlands, transitional region, Polders

regN3a   The Netherlands, peripheral region 1 (north east), "Achterhoek"
regN3b   The Netherlands, peripheral region 1 (north east), Overijssel
regN3c   The Netherlands, peripheral region 1 (north east), Drenthe
regN3d   The Netherlands, peripheral region 1 (north east), Groningen
regN3e   The Netherlands, peripheral region 1 (north east), Friesland

regN4a   The Netherlands, peripheral region 2 (south), Noord-Brabant
regN4b   The Netherlands, peripheral region 2 (south), Limburg

regNx     The Netherlands, unknown

regV1     Flanders, central region (Antwerpen and Vlaams-Brabant)
regV2     Flanders, transitional region (Oost-Vlaanderen)
regV3     Flanders, peripheral region 1 (West-Vlaanderen)
regV4     Flanders, peripheral region 2 (Limburg)

regVx     Flanders, unknown

regW     Wallonia

regZ     region known to be outside of The Netherlands and Flanders
regX     region unknown
 

Occupational level:

occ1    occupation requiring higher level of education (doctor, lawyer, etc.)
occ2    occupation requiring middle level of education (teacher, journalist, etc.)
occ3    occupation requiring lower level of education (mechanic, teacher nursery school, bank employee, etc.)
occ4    occupation not requiring any level of education (garbage collector, cleaning lady, taxi driver, etc.)
occ5    holding no job, unemployed
occ6    holding no job, attending school
occ7    holding no job; housewife
occ8    holding no job, declared unfit
occ9    holding no job; other

occA    occupation in higher management or government
occB    occupation requiring higher education
occC    employed on the teaching or research staff in a university or a college
occD    employed in an administrative office or a service organisation
occE    occupation not requiring any level of specification
occF    self-employed
occG    politicians
occH    employed with the media (journalist, reporter) or artist
occI     student, trainee
occJ     holding no job

occX    unknown