====== 1A Proxy Interview ======

Adult Lifelines participants who were not able to independently fill in the [[1A|baseline]] questionnaires, for example due to mental or physical problems, could choose to undergo a short interview on the location of [[1A visit 1]].\\
Elderly participants who scored less than 26 points on the [[Mini mental state examination|MMSE]] during [[1A visit 1]] also underwent the proxy interview rather than the questionnaires.\\
In total, **~3500** participants underwent the proxy.\\

===== Protocol =====

The proxy interview was performed between a participant and the research assistant on the location of [[1A Visit 1]].
The assistant stated the questions slowly and clearly, and filled in the answers on a computer screen.
If the participant had difficulty answering, a family member or caretaker - if present - was allowed to help the participants with the answers.

===== Variables =====

The proxy interview contained variables in the following sections and subsections:
  * [[Demographics]]: [[Personal data]]
  * [[Demographics]]: [[Education]]
  * [[Demographics]]: [[Nationality & ethnicity]]
  * [[Demographics]]: [[Family composition]]
  * [[Demographics]]: [[Household composition]]
  * [[Demographics]]: [[Employment status]]
  * [[Demographics]]: [[Profession]]
  * [[Diseases & symptoms]]: [[Cardiovascular diseases]]
  * [[Diseases & symptoms]]: [[Respiratory diseases]]
  * [[Diseases & symptoms]]: [[Blood disorders]]
  * [[Diseases & symptoms]]: [[Cancer]]
  * [[Diseases & symptoms]]: [[Diabetes]]
  * [[Diseases & symptoms]]: [[Kidney & bladder diseases]]
  * [[Diseases & symptoms]]: [[Musculoskeletal conditions]]
  * [[Diseases & symptoms]]: [[Neurological disorders]]
  * [[Diseases & symptoms]]: [[Mental illnesses]]
  * [[Lifestyle & environment]]: [[Smoking & tobacco use]]
  * [[Lifestyle & environment]]: [[Home environment (general)]]