Aarhus Prolonged Grief Disorder Scale – A-PGDs
A self-report instrument designed to operationalize Prolonged Grief Disorder (PGD) as defined by both the ICD-11 and DSM-5-TR.
Scale Development & Technical Details
Scale Overview
The Aarhus Prolonged Grief Disorder Scale – A-PGDs was developed by Maja O’Connor, Maria Louison Vang, Mark Shevlin, Ask Elklit, Katrine B. Komischke-Konnerup, Marie Lundorff, Richard Bryant (2023). It is designed to measure Prolonged Grief Disorder. The scale is intended for use with Bereaved adults (18 years and older).
Scale Structure
This instrument consists of 24 items organized into 4 factors/subscales: Core Symptoms, Associated Symptoms, Functional Impairment, Clinical Significance and Duration.
| Factor / Subscale | Items | N |
|---|---|---|
| Core Symptoms | 1,2,6,8,9,11,14 | 7 |
| Associated Symptoms | 3,4,5,7,10,12,13,15,16 | 9 |
| Functional Impairment | 17,18,19,20,21 | 5 |
| Clinical Significance and Duration | 22,23,24 | 3 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Not at all, 2 = A little, 3 = To some extent, 4 = Very much, 5 = Overwhelmingly, Yes = Yes, No = No.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 0 to 100. Interpretation guidelines:
- Refer to clinical guidelines for diagnostic thresholds based on ICD-11 and DSM-5-TR criteria.: 0 – 100
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Cronbach's alpha: 0.88 (ICD-11 PGD), 0.90 (DSM-5-TR PGD).
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.