The association of generalized anxiety disorder and Somatic Symptoms with frequent attendance to health care services

Abstract

Objective

Generalized anxiety disorder is associated with higher rate of physical comorbities, unexplained symptoms, and health care utilization. However, the role of somatic symptoms in determining health care utilization is unclear. The present study aims to assess the association of frequent attendance of health care services between generalized anxiety disorder symptoms and somatic symptoms.

Method

This study was conducted cross-sectionally using the material of the 46-year follow-up survey of the Northern Finland Birth Cohort 1966. Altogether, 5585 cohort members responded to the questionnaires concerning health care utilization, illness history, physical symptoms, and generalized anxiety disorder-7 screening tool. Odds ratios belonging to the highest decile in health care utilization were calculated for generalized anxiety disorder symptoms and all (n = 4) somatic symptoms of Hopkins Symptom Checklist-25 controlled for confounding factors.

Results

Adjusted Odds ratios for being frequent attender of health care services were 2.29 (95% CI 1.58–3.31) for generalized anxiety disorder symptoms and 1.28 (95% CI 0.99–1.64), 1.94 (95% CI 1.46–2.58), 2.33 (95% CI 1.65–3.28), and 3.64 (95% CI 2.15–6.18) for 1, 2, 3, and 4 somatic symptoms, respectively. People with generalized anxiety disorder symptoms had on average a higher number of somatic symptoms (1.8) than other cohort members (0.9). Moreover, 1.6% of people without somatic symptoms tested positive for generalized anxiety disorder, meanwhile 22.6% of people with four somatic symptoms tested positive for generalized anxiety disorder.

Conclusions

Both generalized anxiety disorder symptoms and somatic symptoms are associated with a higher risk for being a health care frequent attender.

Keywords

anxiety disorders health services epidemiology

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