Cancer Institute A national cancer institute
designated cancer center

Philip W. Lavori

Publication Details

  • THE LONGITUDINAL INTERVAL FOLLOW-UP EVALUATION - A COMPREHENSIVE METHOD FOR ASSESSING OUTCOME IN PROSPECTIVE LONGITUDINAL-STUDIES ARCHIVES OF GENERAL PSYCHIATRY Keller, M. B., Lavori, P. W., Friedman, B., Nielsen, E., Endicott, J., MCDONALDSCOTT, P., Andreasen, N. C. 1987; 44 (6): 540-548

    Abstract:

    The Longitudinal Interval Follow-up Evaluation (LIFE) is an integrated system for assessing the longitudinal course of psychiatric disorders. It consists of a semistructured interview, an Instruction booklet, a coding sheet, and a set of training materials. An interviewer uses the LIFE to collect detailed psychosocial, psychopathologic, and treatment information for a six-month follow-up interval. The weekly psychopathology measures ("psychiatric status ratings") are ordinal symptom-based scales with categories defined to match the levels of symptoms used in the Research Diagnostic Criteria. The ratings provide a separate, concurrent record of the course of each disorder initially diagnosed in patients or developing during the follow-up. Any DSM-III or Research Diagnostic Criteria disorder can be rated with the LIFE, and any length or number of follow-up intervals can be accommodated. The psychosocial and treatment information is recorded so that these data can be linked temporally to the psychiatric status ratings.

    View details for Web of Science ID A1987H528500007

    View details for PubMedID 3579500

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