Identification of clinically significant psychological distress and psychiatric morbidity by examining quality of life in subjects with occupational asthma
Open accessAbstract
Background: The Juniper Asthma Specific Quality of Life Questionnaire (AQLQ(S)) is a questionnaire that allows measurement of disease specific quality of life. We wanted to examine correlations between the (AQLQ(S)) general and different subscale scores and both psychiatric morbidity and levels of psychological distress in individuals with occupational asthma (OA) and to determine if results in the emotional function subscale allow identification of individuals with clinically significant psychological distress or current psychiatric disorders. Methods: This was a cross-sectional study of individuals with OA who were assessed during a re-evaluation for permanent disability, after they were no longer exposed to the sensitizing agent. Patients underwent a general sociodemographic and medical history evaluation, a brief psychiatric interview (Primary Care Evaluation of Mental Disorders, PRIME-MD) and completed a battery of questionnaires including the AQLQ(S), the St-Georges Respiratory Questionnaire (SGRQ), and the Psychiatric Symptom Index (PSI). Results: There was good internal consistency (Cronbach alpha = 0.936 for the AQLQ(S) total score) and construct validity for the AQLQ(S) (Spearman rho = -0.693 for the SGRQ symptom score and rho = -0.650 for the asthma severity score). There were medium to large correlations between the total score of the AQLQ(S) and the SGRQ symptom score (r = -.693), and PSI total (r = -.619) and subscale scores (including depression, r = -.419; anxiety, r = -.664; anger, r = -.367; cognitive disturbances, r = -.419). A cut-off of 5.1 on the AQLQ(S) emotional function subscale (where 0 = high impairment and 7 = no impairment) had the best discriminative value to distinguish individuals with or without clinically significant psychiatric distress according to the PSI, and a cut-off of 4.7 best distinguished individuals with or without a current psychiatric disorder according to the PRIME-MD. Conclusions: Impaired quality of life is associated with psychological distress and psychiatric disorders in individuals with OA. Findings suggest that the AQLQ(S) questionnaire may be used to identify patients with potentially clinically significant levels of psychological distress.
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- Authors
- Miedinger, D., Lavoie, K. L., L'Archeveque, J., Ghezzo, H., & Malo, J.-L.
- Affiliations
- Hôpital du Sacré-Cœur de Montréal (CA)
- Université du Québec à Montréal (CA)
- Corresponding author
- Malo, Jean-Luc
- Venue
- Health and Quality of Life Outcomes
- Published
- 2011-09-22
- Volume
- 9
- Issue
- 1
- Pages
- 76-76
- ISSN
- 1477-7525 (ISSN-L)
- PMC
- PMC3196900
- OpenAlex
- W2135569638
- Cited by
- 22
- References
- 52
- Citations by year
- 2024: 1 · 2023: 3 · 2019: 2 · 2018: 1 · 2017: 3 · 2016: 3 · 2015: 1 · 2014: 1 · 2013: 7
- FWCI
- 2.51
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by
- Locations
- Health and Quality of Life Outcomes (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Funders
- National Science Foundation
- Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (120767)
- Canadian Institutes of Health Research
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Occupational exposure and asthma
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Asthma and respiratory diseases
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Chronic Obstructive Pulmonary Disease (COPD) Research
- Keywords
- occupational asthma, psychological distress, psychiatric morbidity, quality of life, depression, anxiety, cut-off values, PRIME-MD, construct validity
- MeSH terms
- Asthma, Bronchial Provocation Tests, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Occupational Diseases, Psychometrics, Quality of Life, Quebec, Surveys and Questionnaires, Regression Analysis, ROC Curve, Severity of Illness Index, Spirometry, Stress, Psychological, Chi-Square Distribution
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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