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editorial
. 2012 Jul 4;41(3):579–588. doi: 10.1093/ije/dys081

Table 2.

Event types for the INDEPTH data specification

Event Code Definition Attributes Attribute description
Birth BTH The birth of an individual to a resident female

  • MotherId

  • DeliveryEventId

  • The IndividualId of the mother

  • The RecNr of the delivery event associated with this birth
Enumeration ENU Starting event for all individuals present at the baseline census of the surveillance area. It is the date on which the individual was first observed to be present in the surveillance area during the baseline census
In-migration IMG The event of migrating into the surveillance area Origin Classification scheme to be developed
Out-migration OMG The event of migrating out of the surveillance area Destination Classification scheme to be developed
Location exit EXT The event of leaving a residential location within the surveillance area to take up residence in another residential location within the surveillance area Destination The LocationId of the location within the surveillance area to which the individual relocated
Location entry ENT The event of taking up residence in a residential location within the surveillance area following a location exit event. Note that location exit and entry are actually two parts of the same action of changing residential location and as such happen on the same event date Origin The LocationId of the residential location from which the individual moved
Death DTH The death of the individual under surveillance. The date of death is the event date

  • Cause1

  • Cause2

  • Cause3

  • Likelihood1

  • Likelihood2

  • Likelihood3

  • Up to three causes of death coded using the WHO list of verbal autopsy death causes.

  • Likelihood values associated with each possible cause of death
Delivery DLV The event of a pregnancy end after 28 weeks of gestation, which may or may not result in the birth of one or more individuals (represented in this dataset by a BTH event linked to this delivery event)

  • LBCnt

  • SBCnt

  • Parity

  • Live birth count

  • Stillbirth count

  • The number of live births to these women prior to this delivery
Observation end OBE An event inserted when a data set is right censored at an arbitrary date and this individual remained under surveillance beyond this date. The right censor date is the date of this event
Last observation OBL An event indicating the last point in time on which this individual was observed to be present and under surveillance. Event date equals observation date in this instance. Normally there should be no individuals with this event as their last event if the right censoring date is prior to the start of the last complete census round
Observation OBS Used to record characteristics of individuals under surveillance valid at the time of the observation. Could be used to record aspects such as educational attainment, employment status or anthropometry measures. Specific examples of this event are not part of the minimum core individual dataset, but are specified to allow for site or working group needs