Dance-Mindfulness Intervention for Well-Being in Recreational Adults

Inclusion Criteria: * Adults aged 18 years and older * Enrolled in dance classes (preferring modern/contemporary) at participating schools for at least 6 months prior to study enrollment * Able and willing to attend weekly sessions for 12 consecutive weeks (minimum 70% attendance required) * Able to understand and complete study questionnaires in Greek language * Able to engage in moderate-intensity movement and dance activities without acute medical contraindications * Written informed consent provided * Willing to be randomly assigned to intervention or waitlist control group Exclusion Criteria: * Musculoskeletal or neurological conditions limiting safe participation in moderate-intensity movement (e.g., acute injury, severe arthritis, neurological disease affecting coordination/balance) * Current severe psychological distress or mental health crisis requiring immediate clinical intervention (screened via DASS-21; cutoff: Severe or Extremely Severe on any subscale) * Pregnancy or planning pregnancy during the 12-week study period * Current concurrent participation in other psychological interventions, therapy, or mind-body programs (Pilates, yoga, tai-chi, other mindfulness-based interventions) * Unable to attend ≥70% of weekly sessions due to scheduling constraints or anticipated absences * Inability to provide informed consent or complete questionnaires in Greek * Acute medical illness or hospitalization within 2 weeks of study start * History of substance abuse disorder currently active or untreated