====== 4A Questionnaires ======

Adult and elderly Lifelines participants participating in the fourth [[general assessments|general assessment]] [[4A]] receive 9 (age 18-64) or 10 (age 65+) short digital questionnaires (± 10 min. each). 
Questionnaires are sent out in a random order. The first questionnaire is sent 1 week prior to [[4A Visit 1]]. Subsequently, one questionnaire will be sent every 5 days. 

The transition towards multiple short questionnaires means a deviation in procedure in comparison to the previous [[general assessments|general assessments]]. However, the questions asked within these short questionnaires are mostly identical to those asked in previous [[general assessments|general assessments]].\\ 



The ten [[4A Questionnaires]] each have their own topic:

  * [[4A Questionnaire General | General]]
  * [[4A Questionnaire Activity | Activity]]
  * [[4A Questionnaire Health 1 | Health 1]]
  * [[4A Questionnaire Health 2 | Health 2]]
  * [[4A Questionnaire Health 3 | Health 3]]
  * [[4A Questionnaire Medication | Medication]]
  * [[4A Questionnaire Substance use | Substance use]]
  * [[4A Questionnaire Sleep | Sleep]]
  * [[4A Questionnaire Food | Food]]
  * [[4A Questionnaire Elderly | Elderly]]