TY - JOUR KW - Adult KW - Aged KW - Delivery of Health Care, Integrated/organization & administration KW - Female KW - Humans KW - Logistic Models KW - Male KW - Mental Health Services/organization & administration KW - Mental Health/standards KW - Middle Aged KW - Primary Health Care/organization & administration KW - Psychiatric Status Rating Scales KW - Stress Disorders, Post-Traumatic/diagnosis KW - Time Factors KW - United States KW - United States Department of Veterans Affairs KW - Veterans/psychology AU - K. M. Bohnert AU - R. K. Sripada AU - J. Mach AU - J. F. McCarthy A1 - AB - OBJECTIVE: The study examined whether same-day integrated mental health services are associated with increased diagnosis and treatment initiation among primary care patients with positive posttraumatic stress disorder (PTSD) screens. METHODS: Data were from a national sample of Veterans Health Administration (VHA) primary care patients with a positive PTSD screen (N=21,427). Patients were assessed for PTSD diagnosis and treatment initiation on the screening day and