The member should be re-evaluated regularly at least monthly , and there should be documentation of progress made toward the goals of occupational therapy. A total of 10 studies involving 1, PwD met the criteria for syntheses; OT intervention produced small non-significant improvements in overall QOL. These Researchers Say No. Review History Review History. An exacerbation or flare-up of a chronic condition or illness is not considered a new illness or condition. History and goals Modern occupational therapy has its roots in the late s, when arts and crafts therapists began to work in hospitals, using hands-on activities to engage patients with both mental and physical illnesses. Models, practice, and qualitative and quantitative research.