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I. Consistency of Clusters Across Large Navy Samples

CDR Richard H. Rahe, MC, USNR; William M. Pugh, MA; E.K.Eric Gunderson, PhD; Robert T. Rubin, MD

Arch Gen Psychiatry. 1971;25(4):330-332.

Abstract
US Navy subjects' responses to the 42 separate life-change items contained in the Schedule of Recent Experience questionnaire were examined for interrelationships between the life-change events by a cluster analysis technique. This technique, the Iterative Intercolumnar Correlational Analysis, identified four clusters of life-change events which showed generally high intracluster and low intercluster correlations. These clusters of lifechange events dealt primarily with subjects' personal and social lives, work, marriage, and disciplinary problems. The utility of these findings appears to lie in the possible abbreviation of the life-changes questionnaire and in new quantitative methods for use of life-change data in near-future illness-prediction studies.

Author Affiliations
Jeanne Erickson; San Diego, Calif; Los Angeles

From the Fleet Problems and Biochemical Correlates Division (CDR Rahe), and the Operational Psychiatry Division (Mr. Pugh, Mrs. Erickson, and Dr. Gunderson) of the Navy Medical Neuropsychiatric Research Unit, San Diego, Calif, and the Department of Psychiatry, University of California Medical School, Los Angeles (Dr. Rubin).

Footnotes
Accepted for publication Nov 11, 1970.

Opinions expressed are those of the authors and are not to be construed as necessarily reflecting the official view or endorsement of the Department of the Navy.

Reprint requests to Department of the Navy, Navy Medical Neuropsychiatric Research Unit, San Diego, Calif 92152 (CDR Rahe).

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