====== Visit 1 of General Assessment 2A ======

All [[start|Lifelines]] participants of 8 years and older participating in [[general assessments|general assessment]] [[2A]] visited a [[location]] of their choice. A trained physician's assistant performed the described measurements, according to the Standard Operating Procedure below.\\
  * NB: In case of temporary counter indications or technical/logistic problems, tests could be rescheduled for [[2A Visit 2]].\\ 

===== SOP (in brief) for 2A V1 of adult (18+) participants =====
  * Total duration: 20 minutes + (unassisted) computer tests
  * Retrieve the participant from the waiting room
  * Check / update basic personal information
  * Check if all instruments are ready for use
  * Perform the following measurements __in order__ according to their respective SOP’s:
    - [[Anthropometry]] 
    - [[Blood pressure]]
    - [[ECG]]
    - [[Pulmonary function test]] (performed only in the first 32,000 adult participants)
    - [[Jump test]]
    - [[DAG3]]-related actions ([[additional assessments|additional assessment]] performed in ~9,000 adult participants) 
  * Instruct participants to do two additional measurements on a computer, unsupervised:
    - The [[MINI neuropsychiatric interview]], digital self-report version
    - The [[CogState]] test
  * Possible changes in the order:
    * [[Blood pressure]] and [[ECG]] may be swapped

===== SOP (in brief) for 2A V1 of children (8-17) =====
  * Total duration: 20 min (plus 10 minutes for on-site [[2A Youth Questionnaire]])
  * Retrieve the [[children|child]] and its parent(s) from the (child-friendly) waiting room
  * Check basic personal information 
  * Check if all instruments are ready for use
  * Perform the following measurements __in order__ according to their respective SOP’s:
    - [[Anthropometry]] 
    - [[Blood pressure]] 
    - [[Jump Test]]
    - [[DAG3]]-related actions ([[additional assessments|additional assessment]] performed in ~700 children)    
  * Instruct older children (13+) to do two additional assessments on a computer, unsupervised:
    - The [[2A Youth Questionnaire]], digital self-report
    - The [[CogState]] test  

===== Relation to other elements =====
 
2A Visit 1 was accompanied by [[2A Questionnaire 1]] which was filled in, on average, 34 days (SD: ± 43 days) prior to visit 1.\\
2A Visit 1 was followed by [[2A Visit 2]] within, on average, 40 days.

2A Visit 1 is procedurally equivalent to [[1A Visit 1]] and [[3A Visit 1]]. The average time between 1A Visit 1 and 2A Visit 1 was 3 years and 11 months.