alan ngs ISON MA MASTOIM HIT ONE SPHG 711 M 3. [3 points] Characteristics of individuals who had experienced physical or sexual abuse as adults were studied. Seventy percent (70%) of individuals in the group were diagnosed with PTSD. Among those individuals diagnosed with PTSD, 48% had experienced child abuse. Among those individuals not diagnosed with PTSD, 14% had experienced child abuse. From "Cognitive factors involved in the onset and maintenance of posttraumatic stress disorder (PT sexual assault" Behaviour Research and Therapy Volume 37, Issue 9, September 1999, Pages 809