psychological factors Psychology 3 Science: general issues 3 stress 3 adherence 2 anxiety 2 chronic diseases 2 compliance 2 emotional distress 2 physical activity 2 quality of life 2 (di)stress 1 COVID-19 1 Chemistry 1 KNHANES 1 Research & information: general 1 actigraphy 1 adolescent 1 associates 1 back pain 1 cancer survivor 1 cancer survivors 1 central sensitisation 1 cervical spine 1 child 1 chronic low back pain 1 chronic non-cancer pain 1 chronic pain 1 chronic pelvic pain 1 cognition 1