field_id,title,availability,stability,private,value_type,base_type,item_type,strata,instanced,arrayed,sexed,units,main_category,encoding_id,instance_id,instance_min,instance_max,array_min,array_max,notes,debut,version,num_participants,item_count,showcase_order,cost_do,cost_on,cost_sc
21000,Ethnic background,0,0,0,21,11,0,3,1,0,0,,100065,1001,2,0,2,0,0,This is an amalgam of sequential branching questions asked during the initial Assessment Centre visit as part of the touchscreen questionnaire. <br><br> The question was dropped from the touchscreen protocol on 24/10/2016.,2012-01-10T00:00:00.0,2022-03-14T00:00:00.0,501518,533513,2.0,1,1,1
21003,Age when attended assessment centre,0,0,0,11,0,0,3,1,0,0,years,100024,0,2,0,3,0,0,"This is a derived variable based on date of birth and date of attending assessment centre and refers to the age of the participant on the day they attended an Assessment Centre, truncated to whole year part.",2012-01-10T00:00:00.0,2022-05-20T00:00:00.0,502412,582303,130.0,1,1,1
22001,Genetic sex,0,0,0,21,11,0,0,0,0,0,,100313,9,0,0,0,0,0,"Sex as determined from genotyping analysis. <p> In a small number (38) of cases the genetic sex currently listed differs from that calculated at the earlier 'Interim 150K' release. The new values are the result of re-genotyping these samples as they were felt to be of insufficient quality, and the genetic sex now agrees with the sex provided in ~F31~ that was sourced from central registry at recruitment but was updated if the participant reported it was incorrect. <p> Note that in over 300 cases the genetic sex differs from the self-reported value in ~F31~.",2014-08-26T00:00:00.0,2017-05-23T00:00:00.0,488171,488171,130.0,2,1,2
