====== Nationality & Ethnicity ======
The following questions regarding nationality and ethnicity ([[sections|section]]: [[Demographics]]) of [[start|Lifelines]] participants were asked:\\
Additionally, by linking BRP and CBS data, the [[province_of_birth|Province of birth]] has been generated.

| **Questions English**                                                                     | **Questions Dutch**                                                             | **Code**                      | **Variable**  | **Assessment**                       | **Age**  |
| in what country were you born?                                                            | in welk land bent u geboren?                                                    | birthplace_country_adu_q_1    | demo4a        | [[1A Questionnaire 1|1A]] [[Proxy]]  | 18+      |
| country other than the netherlands: / in what country were you born?                      | ander land dan nederland, nl: / in welk land bent u geboren?                    | birthplace_country_adu_q_1_a  | demo4b        | [[1A Questionnaire 1|1A]] [[Proxy]]  | 18+      |
| in what city did you live the first months of your life?                                  | in welke plaats woonde u de eerste maanden van uw leven?                        | birthplace_city_adu_q_1       | demo4c        | [[1A Questionnaire 1|1A]]            | 18+      |
| in what country was your (biological) mother born?                                        | in welk land is uw biologische moeder geboren?                                  | birthplace_mother_fam_q_1     | demo5a        | [[1A Questionnaire 1|1A]] [[Proxy]]  | 18+      |
| country other than the netherlands: / in what country was your (biological) mother born?  | ander land dan nederland, nl: / in welk land is uw biologische moeder geboren?  | birthplace_mother_fam_q_1_a   | demo5b        | [[1A Questionnaire 1|1A]] [[Proxy]]  | 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?  | birthplace_mother_fam_q_1_b   | demo5c        | [[1A Questionnaire 1|1A]]            | 18+      |
| in what country was your (biological) father born?                                        | in welk land is uw biologische vadergeboren?                                    | birthplace_father_fam_q_1     | demo6a        | [[1A Questionnaire 1|1A]] [[Proxy]]  | 18+      |
| country other than the netherlands: / in what country was your (biological) father born?  | ander land dan nederland, nl: / in welk land is uw biologische vader geboren?   | birthplace_father_fam_q_1_a   | demo6b        | [[1A Questionnaire 1|1A]] [[Proxy]]  | 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?   | birthplace_father_fam_q_1_b   | demo6c        | [[1A Questionnaire 1|1A]]            | 18+      |
| which of the following populations do you consider yourself belonging to?                 | tot welke van onderstaande bevolkingsgroepen rekent u zichzelf?                 | ethnicity_category_adu_q_1    | race          | [[1B]]                               | 18+      |
| race, other: / which of the following populations do you consider yourself belonging to?  | ras, anders: / tot welke van onderstaande bevolkingsgroepen rekent u zichzelf?  | ethnicity_category_adu_q_1_a  | race_txt      | [[1B]]                               | 18+      |
| what is your migration status?                                                            | Wat is uw migratiestatus?                                                       | covt26_migration_adu_q_1      | covid426      | [[COVQ]] 26                          | 18+      |

===== Ethnicity frequency =====
Frequencies regarding the answers to the question:  “Which of the following populations do you consider yourself belonging to?”, as established at baseline:

| **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%            |

===== Birth country of participants =====
Frequencies regarding the answers to the question: “In what country were you born?" and the specification in case this was a "Country other than The Netherlands”.

| **Age**                                   | **Netherlands**            | **Europe**  | **Africa**  |**Other**  |
|≥ 18 years at baseline |148.528 |	1.948 |	382 |	2.359 |
|<18 years at baseline | 9954 |	65 |	17 |	46 |