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Exercise interventions show promise in the treatment of anxiety disorders, but effects on health-related quality of life (HR-QoL), work ability, and sick leave are little studied. We investigated these outcomes in a 12-week randomized controlled trial with a 1-year follow-up. Patients aged 18–65 (n = 222) with anxiety disorders from primary care centers in Gothenburg were randomized to a control group or one of two 12-week exercise intervention groups (low-intensity, [LI] and moderate/high-intensity, [HI]); 148 were evaluated at 12-weeks and 113 completed the 1-year follow-up. The EuroQol 5D (EQ5D; index and the visual analogue scale [VAS]), work ability score (WAS), presenteeism, and self-reported sick leave were assessed at baseline, 12 weeks, and 1 year. Improvements were defined by binary cut-offs for each scale. Binary logistic regression with odds ratios (OR) and 95 % confidence intervals (CI) were reported. There were improved scores for EQ5D and WAS in the HI group compared to controls after 12 weeks (EQ5D index: 4.74 [1.91–11.7], EQ5D-VAS 4.00, [1.65–9.72], WAS 3.41 [1.24–7.37]) and 1 year (EQ5D index: 3.05 [1.05–8.81], EQ5D-VAS 3.20 [1.16–8.84], WAS 5.50 [1.85–16.3]). Post-hoc analysis showed higher ORs in participants on antidepressants (n = 75) (12-week EQ5D index: OR 9.95 [2.85–34.8]) and significant improvements in EQ5D scores for both intervention groups after 1 year. There were no between-group differences for presenteeism or sick leave. Discontinuation was high, mostly early after randomization (n = 74), as is common for anxiety interventions. HI Exercise improves HR-QoL and work ability in anxiety patients, especially when combined with antidepressants. • High-intensity exercise improves health-related quality of life and work ability with long-lasting effects after 1 year. • There were trends suggesting a dose-response effect of exercise on health-related quality of life and work ability. • Exercise effects are greater in patients with antidepressant medication. • There were no between-group differences for presenteeism or sick leave. [ABSTRACT FROM AUTHOR]

Background: There is a need for high-quality research regarding exercise interventions for persons with anxiety disorders. We investigate whether a 12-week exercise intervention, with different intensities, could reduce anxiety symptoms in patients with anxiety disorders.Methods: 286 patients were recruited from primary care in Sweden. Severity of symptoms was self-assessed using the Beck Anxiety Inventory (BAI) and the Montgomery Åsberg Depression Rating Scale (MADRS-S). Participants were randomly assigned to one of two group exercise programs with cardiorespiratory and resistance training and one control/standard treatment non-exercise group, with 1:1:1 allocation.Results: Patients in both exercise groups showed larger improvements in both anxiety and depressive symptoms compared to the control group. No differences in effect sizes were found between the two groups. To study a clinically relevant improvement, BAI and MADRS-S were dichotomized with the mean change in the control group as reference. In adjusted models the odds ratio for improved symptoms of anxiety after low-intensity training was 3.62 (CI 1.34-9.76) and after moderate/high intensity 4.88 (CI 1.66-14.39), for depressive symptoms 4.96 (CI 1.81-13.6) and 4.36 (CI 1.57-12.08) respectively. There was a significant intensity trend for improvement in anxiety symptoms.Limitations: The use of self-rating measures which bears the risk of an under- or overestimation of symptoms.Conclusions: A 12-week group exercise program proved effective for patients with anxiety syndromes in primary care. These findings strengthen the view of physical exercise as an effective treatment and could be more frequently made available in clinical practice for persons with anxiety issues. [ABSTRACT FROM AUTHOR]