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Nationality & Ethnicity

The following questions regarding nationality and ethnicity (section: Demographics) of Lifelines participants were asked:

Questions English	Questions Dutch	Variable	Assessment	Age
In what country were you born?	In welk land bent u geboren?	DEMO4A	1A	18+
In what country were you born? Country other than The Netherlands:	Ander land, nl: / In welk land bent u geboren? (ander land dan Nederland)	DEMO4B	1A	18+
In what city did you live the first months of your life?	In welke plaats woonde u de eerste maanden van uw leven?	DEMO4C	1A	18+
In what country was your (biological) mother born?	In welk land is uw biologische moeder geboren?	DEMO5A	1A	18+
Biological mother born in country other than The Netherlands:	Ander land, nl: / In welk land is uw biologische moeder geboren? (ander land dan Nederland)	DEMO5B	1A	18+
In what city did your biological mother live during the first months of her life?	In welke plaats woonde uw biologische moeder de eerste maanden van haar leven?	DEMO5C	1A	18+
In what country was your (biological) father born?	In welk land is uw biologische vader geboren?	DEMO6	1A	18+
In what country was your (biological) father born?	In welk land is uw biologische vader geboren?	DEMO6A	1A	18+
Biological father born in country other than The Netherlands:	Ander land, nl: / In welk land is uw biologische vader geboren? (ander land dan Nederland)	DEMO6B	1A	18+
In what city did your biological father live during the first months of his life?	In welke plaats woonde uw biologische vader de eerste maanden van zijn leven?	DEMO6C	1A	18+
Which of the following populations do you consider yourself belonging to?	Tot welke van onderstaande bevolkingsgroepen rekent u zichzelf?	RACE	1B	18+

Ethnicity frequency

Frequencies regarding the answers to the question: “Which of the following populations do you consider yourself belonging to?”, as established in 2017:

Race	Frequency	Percentage
White/East and West European	121239	98%
White/Mediterranean or Arabic	432	0.3%
Black	201	0.2%
Asian	613	0.5%
Other, namely:	1248	1%
Total?	123733	100%

Migration background of participants

Frequencies regarding the question: “In what country were you born? Country other than The Netherlands:”

This table was sorted for Netherlands/Europe/Africa/Other

Age	Netherlands	Europe	Africa	Other
≥ 18 years at baseline	148.528	1.948	382	2.359
<18 years at baseline	9954	65	17	46
<18 years at 05-05-2019	4189	27	8	21

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Nationality & Ethnicity

Ethnicity frequency

Migration background of participants