Association between Spirometric Parameters and Depressive Symptoms in New Mexico Uranium Workers

Area of Science:

• Occupational Health
• Pulmonology
• Psychiatry

Background:

• Uranium workers face risks of lung disease, indicated by reduced lung function (FEV1/FVC).
• Previous research suggests a link between reduced lung function and depression in patients with lung conditions.
• This association remains underexplored in occupational cohorts, particularly among uranium workers.

Purpose of the Study:

• To investigate the association between spirometric measures and depressive symptoms in former uranium workers.
• To identify potential links between lung function abnormalities and the presence of depressive symptoms in this specific occupational group.

Main Methods:

• Cross-sectional study of elderly former uranium workers.
• Utilized race- and ethnicity-specific reference equations for spirometric indices.
• Assessed depressive symptoms using a modified Patient Health Questionnaire-2 (PHQ-2).
• Employed chi-square tests and multivariable logistic regression for analysis.

Main Results:

• 7.6% of uranium workers reported at least one depressive symptom.
• Abnormal forced vital capacity (FVC) was significantly associated with depressive symptoms.
• No significant interaction was found between race/ethnicity and spirometric indices regarding depressive symptoms.

Conclusions:

• Depressive symptoms, though uncommon, are a clinically significant comorbidity in uranium workers.
• Abnormal FVC is linked to depressive symptoms in this cohort.
• Longitudinal studies are needed to confirm causality; routine screening for depression is recommended for uranium workers.