National Institute of Mental Health Data Archive (NDA) Sign In
National Institute of Mental Health Data Archive (NDA) Sign In

Success! An email is on its way!

Please check your email to complete the linking process. The link you receive is only valid for 30 minutes.

Check your spam or junk folder if you do not receive the email in the next few minutes.

Warning Notice This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.
Create an Account
NIMH Data Archive (NDA) Sign In or Create An Account
Update Password

You have logged in with a temporary password. Please update your password. Passwords must contain 8 or more characters and must contain at least 3 of the following types of characters:

  • Uppercase
  • Lowercase
  • Numbers
  • Special Characters limited to: %,_,!,@,#,$,-,%,&,+,=,),(,*,^,:,;

Subscribe to our mailing list

Mailing List(s)
Email Format

You are now leaving the NIMH Data Archive (NDA) web site to go to:

Click on the address above if the page does not change within 10 seconds.


NDA is not responsible for the content of this external site and does not monitor other web sites for accuracy.

Accept Terms
Data Access Terms - Decline Terms

Are you sure you want to cancel? This will decline terms and you will not be authorized for access.

Filter Cart
No filters selected
Value Range
Data Structures with shared data
No filters have been selected
Switch User

Barnes Akathisia Rating Scale

1,444 Shared Subjects

Clinical Assessments
View Change History
Query Element Name Data Type Size Required Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR* guid
src_subject_id String 20 Required Subject ID how it's defined in lab/project bid, randid, subject_id, subjid
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY bars_date, intvdate
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0 :: 1260 Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month. dema1, intvage
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported dema2, gender
Query visitid Integer Recommended MetaTrial Visit ID System variable: unique code for each type of visit -use to merge files
Query fseqno Integer Recommended Sequence Number 0::999 The FSEQNO variable in the ADJ form has a special interpretation compared to other forms. For example, ADJ FSEQNO of '1' can be thought of as being '001', FSEQNO of '2' can be thought of as being '002', and FSEQNO of '3' can be thought of as being '003'. The first digit of FSEQNO relates to the corresponding ENF sequence number at that visit and the third digit relates to the specific adjudicator who completed the adjudication form.
Query visday Integer Recommended Number of days from study baseline to date of visit
Query cp52 Integer Recommended Restless or overactive 0::3 0 = Not true at all 1 = Just a little true 2 = Pretty much true 3 = Very much true bnsa1
Query caars50u Integer Recommended Question 50. I am restless or overactive 0::3 0 = Not at all/ never; 1 = Just a little/ once in a while; 2 = Pretty much/ often; 3 = Very much/ very frequently bnsa2
Query bnsa3 Integer Recommended Subjective Distress Related to Restlessness 0;1;2;3 0=No Distress; 1=Mild; 2=Moderate;3=Severe aka3, bars003, bars_subjectdistressrest, bas_3
Query bnsa4 Integer Recommended Global Clinical Assessment 0;1;2;3;4;5 0=Absent (No evidence of awareness of restlessness. Observation of characteristic movements of akathisia in the absence of a subjective report of inner restlessness or compulsive desire to move the legs should be classified as pseudoakathisia); 1= Questionable (Non-specific inner tension and fidgety movements); 2= Mild Akathisia (Awareness of restlessness in the legs and/or inner restlessness worse when required to stand still. Fidgety movements present, but characteristic restless movements of akathisia not necessarily observed. Condition causes little or no distress); 3= Moderate Akithisia (Awareness of restlessness as described for mild akathisia above, combined with characteristic restless movements such as rocking from foot to foot when standing. Patient finds the condition distressing); 4= Marked Akathisia (Subjective experiences of restlessness includes a compulsive desire to walk or pace. However, the patient is able to remain seated for at least five minutes. The condition is obviously distressing); 5= Severe Akathisia (The patient reports a strong compulsion to pace up and down most of the time. Unable to sit or lie down for more than a few minutes. Constant restlessness which is associated with intense distress and insomnia) aka4, bars004, bars_globalakathisia, bas_4, bnsglob
version_form String 121 Recommended Form used/assessment name vers
Query bnsa1a Integer Recommended Objective 0::3 0=Normal, occasional fidgety movements of the limbs; 1=Presence of characteristics restless movements shuffling or tramping movements of the legs/feet, or swinging of one leg, while sitting, and/or rocking from foot to foot or 'walking on the spot' when standing, but movements present for less than half the time; 2=Observed phenomena, as described in (1) above, which are present for at least half the observation period; 3=The patient is constantly engaged in characteristic restless movement, and/or has the inability to remain seated or standing without walking or pacing, during the time observed. aka1, bars001, bas_1, sas_objective
Query bnsa2a Integer Recommended Subjective Awareness of Restlessness 0::3 0=Absence of inner restlessness; 1=Non-specific sense of inner restlessness; 2=The patient is aware of an inability to keep the legs still, or a desire to move the legs, and/or complains of inner restlessness aggravated specifically by being required to stand still; 3=Awareness of an intense compulsion to move most of the time and/or reports a strong desire to walk or pace most of the time aka2, bars002, bars_subjectawarerest, bas_2
Query visit String 60 Recommended Visit name vtypbas
Query daysrz Integer Recommended days since randomization bnsa0b
Query site String 101 Recommended Site Study Site
Query intrt Integer Recommended Treatment Status Code 0::2 0=Baseline; 1=In Treatment; 2=In Follow-up
Query visnum Float Recommended Numeric Visit Number -1.5 = Pre-Screening; -1 = Screening; 0 = Baseline; ## = Visit ## (from 1 to 10); Whole numbers = standard monthly visits; #.001 - #.009 = Unscheduled; #.1 = End of Phase 1; #.2 = End of Phase 2; #.3 = End of Phase 3; #.4 = End of Open Choice Phase; #.5 = End of Study; #.6 = Genetic Analysis; 1000=all visits
Query trtgrp_p Integer Recommended Treatment Group 1;2 1=Long-Acting Injectable Risperidone Microspheres; 2=Second Generation Oral Antipsychotic Medication
Query days_visit1 Integer Recommended Days from Visit 1 dav1bas
Query study_id Integer Recommended Study ID number 46=Acute Phase; 47=Stabilization Phase
Query week Float Recommended Week in level/study 99=week 10-week 14 intid
Query rand_num Integer Recommended Randomization Number 0::2
Query barnes_tot Integer Recommended BARNES Total Summary Score 0::14 bars_totalscore
Query assessment_complete Integer Recommended Complete? 0::2 0=Incomplete; 1=Unverified; 2=Complete
comments_misc String 4,000 Recommended Miscellaneous comments on study, interview, methodology relevant to this form data
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
  • For valid elements with shared data, on the far left is a Filter button you can use to view a summary of shared data for that element and apply a query filter to your Cart based on selected value ranges

At the top of this page you can also:

  • Use the search bar to filter the elements displayed. This will not filter on the Size of Required columns
  • Download a copy of this definition in CSV format
  • Download a blank CSV submission template prepopulated with the correct structure header rows ready to fill with subject records and upload

Please email the The NDA Help Desk with any questions.