Examining the psychometric properties of brief screening measures of depression and anxiety in chronic pain: The Patient Health Questionnaire 2-item and Generalized Anxiety Disorder 2-item.
anxiety
chronic pain
depression
measurement
Journal
Pain practice : the official journal of World Institute of Pain
ISSN: 1533-2500
Titre abrégé: Pain Pract
Pays: United States
ID NLM: 101130835
Informations de publication
Date de publication:
04 2022
04 2022
Historique:
revised:
17
02
2022
received:
26
10
2021
accepted:
28
02
2022
pubmed:
9
3
2022
medline:
13
4
2022
entrez:
8
3
2022
Statut:
ppublish
Résumé
Individuals with chronic pain experience anxiety and depressive symptoms at rates higher than the general population. The Patient Health Questionnaire 2-item (PHQ-2) and Generalized Anxiety Disorder 2-item (GAD-2) are brief screening measures of depression and anxiety, respectively. These brief scales are well-suited for use in routine care due to their brevity and ease of administration, yet their psychometric properties have not been established in heterogeneous chronic pain samples when administered over the Internet. Using existing data from randomized controlled trials of an established Internet-delivered pain management program (n = 1333), we assessed the reliability, validity, diagnostic accuracy, and responsiveness to treatment change in the PHQ-2 and GAD-2, as well as the long-form counterparts. Exploratory analyses were conducted to obtain cutoff scores using those participants with diagnostic data (n = 62). The PHQ-2 and GAD-2 demonstrated appropriate reliability (eg, Cronbach's α = 0.79-0.84), validity (eg, higher scores in individuals with a diagnosis; p < 0.001), and responsiveness to treatment change (eg, pre- to post-treatment scores, p < 0.001). The psychometric properties of the short forms compared well with the longer forms. Cutoff scores on the short forms were consistent with general population samples, while cutoff scores on the long forms were higher than previously observed using general population samples. All four scales favored specificity over sensitivity. The PHQ-2 and GAD-2 demonstrated acceptable psychometric properties in the current sample, as did the long forms. Based on our findings, the PHQ-2 and GAD-2 can be used as screening tools with chronic pain samples when administered over the Internet.
Identifiants
pubmed: 35258171
doi: 10.1111/papr.13107
pmc: PMC9311649
doi:
Types de publication
Journal Article
Meta-Analysis
Langues
eng
Sous-ensembles de citation
IM
Pagination
478-486Informations de copyright
© 2022 The Authors. Pain Practice published by Wiley Periodicals LLC on behalf of World Institute of Pain.
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