ArticleFrontiers in psychiatry2023
Psychometric properties of the generalized anxiety disorder-7 (GAD-7) in a sample of workers.
Article in Frontiers in psychiatry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Academic Procrastination Scale-Short (APS-S): psychometric validation of the Spanish version in Honduran undergraduate students.BMC psychology · 2026Article
- UK Medical Cannabis Registry: a case series analysing clinical outcomes of medicinal cannabis therapy for fibromyalgia.Clinical rheumatology · 2026Article
- Glymphatic dysfunction and its association with clinical symptom severity in narcolepsy type 1: a case-control DTI-ALPS study.BMC neurology · 2026Article
- Brief resilience scale (BRS) in a sample of Indian college students: evidence of psychometric properties.BMC psychology · 2025Article
- Factorial invariance of the generalized anxiety disorder scale (GAD-7) in Latin America and the Caribbean.Frontiers in psychiatry · 2025Article
- Fourteen-item perceived stress scale assessment using item response theory among pregnant women.Scandinavian journal of psychology · 2024Article
- The Web-Based Pain-at-Work Toolkit With Telephone Support for Employees With Chronic or Persistent Pain: Protocol for a Cluster Randomized Feasibility Trial.JMIR research protocols · 2023Article
- Article
- Internal Validity and Reliability of the GAD-7 Test in Latin America.Chronic stress (Thousand Oaks, Calif.)Article
Corrections and comments
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Authors and funding
4 authors.
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Abstract
Objective: To evaluate the psychometric properties of the GAD-7 by obtaining evidence of internal structure (dimensionality, precision and differential functioning of items) and association with external variables. Methods: A total of 2,219 protocols from three different studies conducted with Puerto Rican employees that administered the GAD-7 were selected for the current study. Item response theory modeling was used to assess internal structure, and linear association with external variables. Results: The items were adapted to a graduated response model, with high similarity in the discrimination and location parameters, as well as in the precision at the level of the items and in the total score. No violation of local independence and differential item functioning was detected. The association with convergent (work-related rumination) and divergent (work engagement, sex, and age) variables were theoretically consistent. Conclusion: The GAD-7 is a psychometrically robust tool for detecting individual variability in symptoms of anxiety in workers.
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