Peritraumatic Distress Index Test
In 5 minutes, see how an infectious disease outbreak is affecting your stress, emotions, physical reactions, and social behavior. Quick, 24-item results support screening, surveys, and tracking risk over time.
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08:30
Scale Explorer
How the Scales are Structured
DATA-BASED USER COHORTS
Who Usually Takes This Test?
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
RESULTS YOU CAN ACTUALLY USE
Benchmarking
See How You Compare
Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Below is a preview of how scores are typically distributed across each scale.
Prosociality (P)
Average
15.4
Normal range
11.4 — 19.4
min.
0
max.
32
Majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Physiological Reactions (PR)
Average
14.9
Normal range
11.1 — 18.8
min.
0
max.
24
Majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Psychological Overstrain (PO)
Average
19
Normal range
13.9 — 24.1
min.
0
max.
40
Majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Peritraumatic Distress Index (PDI)
Average
44.7
Normal range
30.6 — 58.9
min.
0
max.
96
Majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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CLEAR ANSWERS TO COMMON QUESTIONS
Frequently Asked Questions
What does this questionnaire measure?
It measures distress during an infectious disease outbreak, including emotional strain, physical reactions, and social behavior changes. Results provide an estimate of current stress intensity related to contagion conditions.
Who is this questionnaire intended for?
It is intended for adolescents and adults who are living through or affected by an outbreak. It can be used in clinical screening, public health surveys, and research settings.
How long does it take to complete and how many items are included?
It takes about 5 minutes to complete. It contains 24 items.
What time period should responses reflect?
Responses should reflect feelings and reactions during the current outbreak period. If conditions have changed, use the most recent days as the reference.
How should the results be interpreted?
Higher scores indicate greater peritraumatic distress and may signal increased need for support or follow-up. Scores do not provide a diagnosis and should be interpreted with clinical or contextual information.
WHAT THE TEST MEASURES
About This Assessment
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Peritraumatic Distress Index Test - Symptoms and Signs
This self-report measure is designed to screen acute distress reactions occurring during or immediately after a stressful event. The Peritraumatic Distress Index is commonly used to characterize peritraumatic emotional, cognitive, and somatic symptoms that may warrant closer clinical attention.
The instrument includes 24 items and typically takes about 5 minutes to complete. Items ask respondents to rate the frequency or intensity of distress-related experiences, supporting a brief summary of current symptom burden for use in clinical screening or research contexts.
Originally described by Robert A. Bryant, Michel R. Weiss, and Alain Brunet, the Peritraumatic Distress Index can be used to monitor distress levels over time and to help identify individuals who may benefit from further evaluation, particularly in the context of public health emergencies or other high-stress circumstances.
Author: Alain Brunet, Michel R. Weiss, Robert A. Bryant
Literature: Bunnell, B. E., Davidson, T. M., & Ruggiero, K. J. The peritraumatic distress inventory: factor structure and predictive validity in a trauma-exposed sample. Journal of Anxiety Disorders. 2018.; Brunet, A., Weiss, D. S., Metzler, T. J., Best, S. R., Neylan, T. C., Rogers, C., Fagan, J., & Marmar, C. R. The peritraumatic distress inventory: a proposed measure of PTSD criterion A2. American Journal of Psychiatry. 2001.; Qiu, J., Shen, B., Zhao, M., Wang, Z., Xie, B., & Xu, Y. A nationwide survey of psychological distress among Chinese people in the COVID-19 epidemic: implications and policy recommendations. General Psychiatry. 2020.
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