Loading...

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

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 or Link an Existing NDA 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.

Disclaimer

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.

Panic Disorder Severity Scale

3,469 Shared Subjects

N/A
Clinical Assessments
Panic
12/24/2014
pdss01
12/21/2023
View Change History
01
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*
src_subject_id String 20 Required Subject ID how it's defined in lab/project aid, stepid
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0::1440 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.
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender
Query dayscons Integer Recommended days since consent daysrz
Query visit String 60 Recommended Visit name wave
Query certcode Integer Recommended stepbd certification code
Query panicfrq Integer Recommended Frequency of panic attacks 0::4;-7;999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Extreme; -7=Refused; 999 = Missing pdss1
Query panicdis Integer Recommended Distress durng panic attack 0::4;-7;999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Extreme; -7=Refused; 999 = Missing pdss2
Query anticanx Integer Recommended Anticipatory anxiety 0::4;-7;999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Extreme; -7=Refused; 999 = Missing pdss3
Query panicsit Integer Recommended Panic-related phobic avoidance of particular situations 0::4;-7;999 0=None; 1=Definite fear or discomfort and desire to avoid at least one situation; 2=Definite fear or discomfort and desire to avoid up to three situations; 3=Definite fear or discomfort and desire to avoid more than three situations; 4=Definite fear and avoidance of several situations; -7=Refused; 999 = Missing pdss4
Query panicsen Integer Recommended Panic-related phobic avoidance of sensation 0::4;-7;999 0=None; 1=Definite discomfort with one or more physical sensations; 2=Definite discomfort with desire to avoid fully experiencing more than one sensationl 3=Definite discomfort/consistently avoids at least one activity; 4=Definite discomfort/consistently avoids more than one activity; -7=Refused; 999 = Missing pdss5
Query imprwork Integer Recommended Impairment / Interference in work functioning 0::4;-7;999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Extreme; -7=Refused; 999 = Missing pdss6
Query imprsocl Integer Recommended Impairment / Interference in social functioning 0::4;-7;999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Extreme; -7=Refused; 999 = Missing pdss7
Query site String 101 Recommended Site Study Site asite, siteid
Query clinicid Integer Recommended Clinic ID aclinic
Query interv Integer Recommended Intervention Status 0;1 1=ITV, intervention; 0=TAU, treatment as usual
Query days_baseline Integer Recommended Days since baseline lof
Query pdss Float Required Sum of Panic Disorder Severity Scale - Self Report (PDSS)
Query ipdss Float Recommended Imputed of Panic Disorder Severity Scale - Self Report (PDSS)
Query rmtmpdss Integer Recommended Change Score PDSS 0;1 1: less than 7
Query r40mpdss Integer Recommended 40 percent or more reduction from PDSS 0;1 (IF (MOSTDISTRESSING_AD=1) THEN DO; IF (PDSSt2 >.) THEN RMTMPDSSt2=0; IF (. < PDSSt2 <= 7) THEN RMTMPDSSt2=1; R40MPDSSt2=0; IF (RMTMPDSSt2=1) THEN R40MPDSSt2=1; ELSE IF (PDSSt2 <= (0.60 * PDSSt1)) THEN R40MPDSSt2=1; END; END;)
pdss_01 Integer Recommended How many panic and limited symptoms attacks did you have during the week? 0::4 0= No panic or limited symptom episodes; 1= Mild, no full panic attacks and no more than 1 limited symptom attack/day; 2= Moderate, 1 or 2 full panic attacks and/or multiple limited symptom attacks/day; 3= Severe, more than 2 full attacks but not more than 1/day on average; 4= Extreme, full panic attacks occurred more than once a day, more days than not
pdss_02 Integer Recommended If you had any panic attacks during the past week, how distressing (uncomfortable, frightening) were they while they were happening? (If you had more than one, give an average rating. If you did not have any panic attacks but did have limited symptom attacks, answer for the limited symptom attacks.) 0::4 0= Not at all distressing, or no panic or limited symptom attacks during the past week; 1= Mildly distressing (not too intense); 2= Moderately distressing (intense, but still manageable); 3= Severely distressing (very intense); 4 Extremely distressing (extreme distress during all attacks)
pdss_03 Integer Recommended During the past week, how much have you worried or felt anxious about when your next panic attack would occur or about fears related to the attacks (for example, that they could mean you have physical or mental health problems or could cause you social embarrassment)? 0::4 0= Not at all; 1= Occasionally or only mildly; 2= Frequently or moderately; 3= Very often or to a very disturbing degree; 4= Nearly constantly and to a disabling extent
pdss_04 Integer Recommended During the past week were there any places or situations (e.g., public transportation, movie theaters, crowds, bridges, tunnels, shopping malls, being alone) you avoided, or felt afraid of (uncomfortable in, wanted to avoid or leave), because of fear of having a panic attack? Are there any other situations that you would have avoided or been afraid of if they had come up during the week, for the same reason? If yes to either question, please rate your level of fear and avoidance this past week. 0::4 0= None, no fear or avoidance; 1= Mild, occasional fear and/or avoidance but I could usually confront or endure the situation. There was little or no modification of my lifestyle due to this.; 2= Moderate, noticeable fear and/or avoidance but still manageable. I avoided some situations, but I could confront them with a companion. There was some modification of my lifestyle because of this, but my overall functioning was not impaired.; 3= Severe, extensive avoidance. Substantial modification of my lifestyle was required to accommodate the avoidance making it difficult to manage usual activities.; 4= Extreme, pervasive disabling fear and/or avoidance. Extensive modification in my lifestyle was required such that important tasks were not performed.
pdss_05 Integer Recommended During the past week, were there any activities (e.g., physical exertion, sexual relations, taking a hot shower or bath, drinking coffee, watching an exciting or scary movie) that you avoided, or felt afraid of (uncomfortable doing, wanted to avoid or stop), because they caused physical sensations like those you feel during panic attacks or that you were afraid might trigger a panic attack? Are there any other activities that you would have avoided or been afraid of if they had come up during the week for that reason? If yes to either question, please rate your level of fear and avoidance of those activities this past week. 0::4 0= No fear or avoidance of situations or activities because of distressing physical sensations; 1= Mild, occasional fear and/or avoidance, but usually I could confront or endure with little distress activities that cause physical sensations. There was little modification of my lifestyle due to this.; 2= Moderate, noticeable avoidance but still manageable. There was definite, but limited, modification of my lifestyle such that my overall functioning was not impaired.; 3= Severe, extensive avoidance. There was substantial modification of my lifestyle or interference in my functioning.; 4= Extreme, pervasive and disabling avoidance. There was extensive modification in my lifestyle due to this such that important tasks or activities were not performed.
pdss_06 Integer Recommended During the past week, how much did the above symptoms altogether (panic and limited symptom attacks, worry about attacks, and fear of situations and activities because of attacks) interfere with your ability to work or carry out your responsibilities at home? (If your work or home responsibilities were less than usual this past week, answer how you think you would have done if the responsibilities had been usual.) 0::4 0= No interference with work or home responsibilities; 1= Slight interference with work or home responsibilities, but I could do nearly everything I could if I did not have these problems.; 2= Significant interference with work or home responsibilities, but I still could manage to do the things I needed to do.; 3= Substantial impairment in work or home responsibilities; there were many important things I could not do because of these problems.; 4= Extreme, incapacitating impairment such that I was essentially unable to manage any work or home responsibilities.
pdss_07 Integer Recommended During the past week, how much did panic and limited symptom attacks, worry about attacks and fear of situations and activities because of attacks interfere with your social life? (If you did not have many opportunities to socialize this past week, answer how you think you would have done if you did have opportunities.) 0::4 0= No interference; 1= Slight interference with social activities, but I could do nearly everything I could if I did not have these problems.; 2= Significant interference with social activities but I could manage to do most things if I made the effort.; 3= Substantial impairment in social activities; there are many social things I could not do because of these problems.; 4= Extreme, incapacitating impairment, such that there was hardly anything social I could do.
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.