archetype (adl_version=1.4; uid=6f04d53c-3b47-4cd0-b4a9-35213855ab6a)
	openEHR-EHR-OBSERVATION.gad_7.v0

concept
	[at0000]	-- GAD-7
language
	original_language = <[ISO_639-1::en]>
description
	original_author = <
		["name"] = <"Hildegard McNicoll">
		["organisation"] = <"freshEHR Clinical Informatics Ltd.">
		["email"] = <"hildi@freshehr.com">
		["date"] = <"2018-06-12">
	>
	details = <
		["en"] = <
			language = <[ISO_639-1::en]>
			purpose = <"For the recording of individual answers and overall score of the GAD-7 questionnaire.">
			use = <"Use to record the results of the GAD-7 (Generalised Anxiety Disorder) questionnaire.

The GAD-7 originates from Spitzer RL, Kroenke K, Williams JB, et al; A brief measure for assessing generalized anxiety disorder: the GAD-7. Arch Intern Med. 2006 May 22;166(10):1092-7.">
			misuse = <"">
			copyright = <"© Apperta Foundation">
		>
	>
	lifecycle_state = <"in_development">
	other_contributors = <>
	other_details = <
		["licence"] = <"This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/.">
		["custodian_organisation"] = <"UK Clinical Models">
		["references"] = <"https://patient.info/doctor/generalised-anxiety-disorder-assessment-gad-7 cited 12-Jun-2018.">
		["current_contact"] = <"Hildegard McNicoll, freshEHR Clinical Informatics Ltd.<hildi@freshehr.com>">
		["original_namespace"] = <"uk.org.clinicalmodels">
		["original_publisher"] = <"Apperta Foundation">
		["custodian_namespace"] = <"uk.org.clinicalmodels">
		["MD5-CAM-1.0.1"] = <"5ACF3542C0C9A971D23A26D6B87EF2DE">
		["build_uid"] = <"9cb60cf1-b789-48aa-8ecb-e889b65c94d7">
		["revision"] = <"0.0.1-alpha">
	>

definition
	OBSERVATION[at0000] matches {    -- GAD-7
		data matches {
			HISTORY[at0001] matches {    -- Event Series
				events cardinality matches {1..*; unordered} matches {
					POINT_EVENT[at0002] occurrences matches {0..1} matches {    -- Point in time
						data matches {
							ITEM_TREE[at0003] matches {    -- Tree
								items cardinality matches {0..*; unordered} matches {
									ELEMENT[at0008] occurrences matches {0..1} matches {    -- Feeling nervous, anxious or on edge
										value matches {
											0|[local::at0009],
											1|[local::at0010],
											2|[local::at0011],
											3|[local::at0012]
										}
									}
									ELEMENT[at0013] occurrences matches {0..1} matches {    -- Not being able to stop or control worrying
										value matches {
											0|[local::at0014],
											1|[local::at0015],
											2|[local::at0016],
											3|[local::at0017]
										}
									}
									ELEMENT[at0018] occurrences matches {0..1} matches {    -- Worrying too much about different things
										value matches {
											0|[local::at0019],
											1|[local::at0020],
											2|[local::at0021],
											3|[local::at0022]
										}
									}
									ELEMENT[at0023] occurrences matches {0..1} matches {    -- Trouble relaxing
										value matches {
											0|[local::at0024],
											1|[local::at0025],
											2|[local::at0026],
											3|[local::at0027]
										}
									}
									ELEMENT[at0028] occurrences matches {0..1} matches {    -- Being so restless it is hard to sit still
										value matches {
											0|[local::at0029],
											1|[local::at0030],
											2|[local::at0031],
											3|[local::at0032]
										}
									}
									ELEMENT[at0033] occurrences matches {0..1} matches {    -- Becoming easily annoyed or irritable
										value matches {
											0|[local::at0034],
											1|[local::at0035],
											2|[local::at0036],
											3|[local::at0037]
										}
									}
									ELEMENT[at0038] occurrences matches {0..1} matches {    -- Feeling afraid as it something awful might happen
										value matches {
											0|[local::at0039],
											1|[local::at0040],
											2|[local::at0041],
											3|[local::at0042]
										}
									}
									ELEMENT[at0043] occurrences matches {0..1} matches {    -- Total score
										value matches {
											DV_COUNT matches {
												magnitude matches {|0..21|}
											}
										}
									}
									ELEMENT[at0045] occurrences matches {0..1} matches {    -- Interpretation
										value matches {
											DV_TEXT matches {*}
										}
									}
									ELEMENT[at0044] occurrences matches {0..1} matches {    -- Comment
										value matches {
											DV_TEXT matches {*}
										}
									}
								}
							}
						}
						state matches {
							ITEM_TREE[at0006] matches {    -- Tree
								items cardinality matches {0..*; unordered} matches {
									ELEMENT[at0007] occurrences matches {0..1} matches {    -- Confounding factors
										value matches {
											DV_TEXT matches {*}
										}
									}
								}
							}
						}
					}
				}
			}
		}
		protocol matches {
			ITEM_TREE[at0004] matches {    -- Tree
				items cardinality matches {0..*; unordered} matches {
					allow_archetype CLUSTER[at0005] occurrences matches {0..*} matches {    -- Extension
						include
							archetype_id/value matches {/.*/}
					}
				}
			}
		}
	}


ontology
	term_definitions = <
		["en"] = <
			items = <
				["at0000"] = <
					text = <"GAD-7">
					description = <"Generalised Anxiety Disorder (GAD-7) questionnaire.">
				>
				["at0001"] = <
					text = <"Event Series">
					description = <"@ internal @">
				>
				["at0002"] = <
					text = <"Point in time">
					description = <"A specific date and/or time which may be explicitly defined in a template or at run-time.">
				>
				["at0003"] = <
					text = <"Tree">
					description = <"@ internal @">
				>
				["at0004"] = <
					text = <"Tree">
					description = <"@ internal @">
				>
				["at0005"] = <
					text = <"Extension">
					description = <"Additional information required to capture local context or to align with other reference models/formalisms.">
					comment = <"e.g. Local hospital departmental infomation or additional metadata to align with HL7 or CDISC equivalents.">
				>
				["at0006"] = <
					text = <"Tree">
					description = <"@ internal @">
				>
				["at0007"] = <
					text = <"Confounding factors">
					description = <"Record any issues or factors that may impact on the score or interpretation.">
				>
				["at0008"] = <
					text = <"Feeling nervous, anxious or on edge">
					description = <"Over the last 2 weeks, on how many days have you felt nervous, anxious or on edge?">
				>
				["at0009"] = <
					text = <"Not at all">
					description = <"The patient reports that they have not felt nervous, anxious or on edge at all over the last 2 weeks.">
				>
				["at0010"] = <
					text = <"Several days">
					description = <"The patient reports that they have felt nervous, anxious or on edge several days over the last 2 weeks.">
				>
				["at0011"] = <
					text = <"More than half the days">
					description = <"The patient reports that they have felt nervous, anxious or on edge more than half the days over the last 2 weeks.">
				>
				["at0012"] = <
					text = <"Nearly every day">
					description = <"The patient report that they have felt nervous, anxious or on edge over the last 2 weeks.">
				>
				["at0013"] = <
					text = <"Not being able to stop or control worrying">
					description = <"Over the last 2 weeks, on how many days have you not been able to stop or control worrying?">
				>
				["at0014"] = <
					text = <"Not at all">
					description = <"The patient reports that they have not at all been affected by not being able to stop or control worrying over the last 2 weeks.">
				>
				["at0015"] = <
					text = <"Several days">
					description = <"The patient reports that they have not been able to stop or control worrying several days over the last 2 weeks.">
				>
				["at0016"] = <
					text = <"More than half the days">
					description = <"The patient reports that they have not been able to stop or control worrying more than half the days over the last 2 weeks.">
				>
				["at0017"] = <
					text = <"Nearly every day">
					description = <"The patient reports that they have not been able to stop or control worrying nearly every day over the last 2 weeks.">
				>
				["at0018"] = <
					text = <"Worrying too much about different things">
					description = <"Over the last 2 weeks, on how many days have you been worrying too much about different things?">
				>
				["at0019"] = <
					text = <"Not at all">
					description = <"The patient reports that they have not at all been affected by worrying too much about different things over the last 2 weeks.">
				>
				["at0020"] = <
					text = <"Several days">
					description = <"The patient reports that they have been worrying too much about different things several days over the last 2 weeks.">
				>
				["at0021"] = <
					text = <"More than half the days">
					description = <"The patient reports that they have been worrying too much about different things more than half the days over the last 2 weeks.">
				>
				["at0022"] = <
					text = <"Nearly every day">
					description = <"The patient reports that they have been worrying too much about different things nearly every day over the last 2 weeks.">
				>
				["at0023"] = <
					text = <"Trouble relaxing">
					description = <"Over the last 2 weeks, on how many days have you had trouble relaxing?">
				>
				["at0024"] = <
					text = <"Not at all">
					description = <"The patient reports that they have not at all had trouble relaxing over the last 2 weeks.">
				>
				["at0025"] = <
					text = <"Several days">
					description = <"The patient reports that they have had trouble relaxing several days over the last 2 weeks.">
				>
				["at0026"] = <
					text = <"More than half the days">
					description = <"The patient reports that they have had trouble relaxing more than half the days over the last 2 weeks.">
				>
				["at0027"] = <
					text = <"Nearly every day">
					description = <"The patient reports that they have had trouble relaxing nearly every day over the last 2 weeks.">
				>
				["at0028"] = <
					text = <"Being so restless it is hard to sit still">
					description = <"Over the last 2 weeks, on how many days have you been so restless it is hard to sit still.">
				>
				["at0029"] = <
					text = <"Not at all">
					description = <"The patient reports that they have not at all been affected by being so restless it is hard to sit still over the last 2 weeks.">
				>
				["at0030"] = <
					text = <"Several days">
					description = <"The patient reports that they had been so restless it is hard to sit still several days over the last 2 weeks.">
				>
				["at0031"] = <
					text = <"More than half the days">
					description = <"The patient reports that they had been so restless it is hard to sit still more than half the days over the last 2 weeks.">
				>
				["at0032"] = <
					text = <"Nearly every day">
					description = <"The patient reports that they had been so restless it is hard to sit still nearly every day over the last 2 weeks.">
				>
				["at0033"] = <
					text = <"Becoming easily annoyed or irritable">
					description = <"Over the last 2 weeks, on how many days have you become easily annoyed or irritable.">
				>
				["at0034"] = <
					text = <"Not at all">
					description = <"The patient reports that they have not at all been affected by becoming easily annoyed or irritable over the last 2 weeks.">
				>
				["at0035"] = <
					text = <"Several days">
					description = <"The patient reports that they have become easily annoyed or irritable several days over the last 2 weeks.">
				>
				["at0036"] = <
					text = <"More than half the days">
					description = <"The patient reports that they have become easily annoyed or irritable more than half the days over the last 2 weeks.">
				>
				["at0037"] = <
					text = <"Nearly every day">
					description = <"The patient reports that they have become easily annoyed or irritable nearly every day over the last 2 weeks.">
				>
				["at0038"] = <
					text = <"Feeling afraid as it something awful might happen">
					description = <"Over the last 2 weeks, on how many days have you felt afraid as if something awful might happen.">
				>
				["at0039"] = <
					text = <"Not at all">
					description = <"The patient reports that they have not at all been affected by feeling afraid as if something awful might happen over the last 2 weeks.">
				>
				["at0040"] = <
					text = <"Several days">
					description = <"The patient reports that they have felt afraid as if something awful might happen several days over the last 2 weeks.">
				>
				["at0041"] = <
					text = <"More than half the days">
					description = <"The patient reports that they have felt afraid as if something awful might happen more than half the days over the last 2 weeks.">
				>
				["at0042"] = <
					text = <"Nearly every day">
					description = <"The patient reports that they have felt afraid as if something awful might happen nearly every day over the last 2 weeks.">
				>
				["at0043"] = <
					text = <"Total score">
					description = <"Total GAD-7 score calculated from sum of all seven individual responses.">
				>
				["at0044"] = <
					text = <"Comment">
					description = <"Any additional narrative comment, not covered in other elements.">
					comment = <"For example: ''">
				>
				["at0045"] = <
					text = <"Interpretation">
					description = <"Single word, phrase or brief description that represents the clinical meaning and significance of the total score.">
					comment = <"For example: 'Probable anxiety disorder'. Coding of the interpretation with a terminology is preferred, where possible.">
				>
			>
		>
	>