This exploratory study evaluates the effectiveness of a 12-session Heart Rate Variability Biofeedback (HRV-BFB) protocol in reducing distress and burnout while promoting psychological well-being among Portuguese National Republican Guard (GNR) professionals. Exposed to high occupational stress from unpredictable risks, shift work, and limited resources, these individuals face elevated vulnerability to chronic stress outcomes. The intervention leverages real-time HRV feedback to enhance autonomic regulation, breathing techniques, and emotional self-regulation.
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Change in Psychological Distress (Kessler Psychological Distress Scale - K10)
Timeframe: Baseline (Week 0), Post-intervention (Week 4), Follow-up (Week 10)
Change in Occupational Burnout (Burnout Assessment Tool - BAT-12)
Timeframe: Baseline (Week 0), Post-intervention (Week 4), Follow-up (Week 10)
Change in Psychological Well-Being (WHO-5 Well-Being Index)
Timeframe: Baseline (Week 0), Post-intervention (Week 4), Follow-up (Week 10)