interventions

JSON array

Interventions represent any substances or procedures administered to a participant; through a clinical trial or the participant’s use of prescription or recreational drugs. Detailed variables are available to record exactly how much and when a drug is administered. This allows searching by dose amount, or other variable.

JSON variables

🔵 Primary key 🔴 Required

Variable	Type	Default	Description
AdministrationRoute	string		Drug entry route (oral, IV, unknown, etc).
DateRecordCreate	string		Date the record was created in the current database. The original record may have been imported from another database.
DateRecordEntry	string		Date the record was first entered into a database.
DateRecordModify	string		Date the record was modified in the current database.
DateEnd	datetime		Datetime the intervention was stopped.
DateStart	datetime	🔴	Datetime the intervention was started.
Description	string		Longer description.
DoseString	string	🔴	Full dosing string. Examples tylenol 325mg twice daily by mouth, or 5g marijuana inhaled by volcano
DoseAmount	number		In combination with other dose variables, the quantity of the drug.
DoseFrequency	string		Description of the frequency of administration.
DoseKey	string		For clinical trials, the dose key.
DoseUnit	string		mg, g, ml, tablets, capsules, etc.
InterventionClass	string		Drug class.
InterventionName	string	🔴 🔵	Name of the intervention.
Notes	string		Notes about drug.
Rater	string		Rater/experimenter name.

Recording drug administration

The following examples convert between common language and the squirrel storage format

esomeprazole 20mg capsule by mouth daily

Variable	Value
DrugClass	PPI
DrugName	esomeprazole
DoseAmount	20mg
DoseFrequency	daily
Route	oral
DoseUnit	mg

2 puffs atrovent inhaler every 6 hours

Variable	Value
DrugName	ipratropium
DrugClass	bronchodilator
DoseAmount	2
DoseFrequency	every 6 hours
AdministrationRoute	inhaled
DoseUnit	puffs