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A comprehensive life events questionnaire was administered to 416 men. Total life change scores were computed from published normative weights and from individuals' own ratings of events that occurred. The results showed that the rank order of life events was highly correlated between our sample and the original normative groups. However, in the population of men we studied, there were significant differences between the total life event scores derived by summing the published normative weights and the total adjustment or distress reported by those men who experienced the events. Other results indicated that life event scores based on normative weights reflect more on the number of life events that are experienced, whereas life change scores based on individuals' ratings may better reflect on the potential impact of life change. Finally, the psychometric properties of several life change inventories are poor.

A Monthly Health Review was developed to monitor symptoms, illnesses and injuries among Air Traffic Controllers. Return rate of the mailed check-list exceeded 90 per cent. Diagnoses were generated from symptom clusters by computer algorithms. Telephone interview by physicians, laboratory analyses for serum pepsinogen I, and analyses of relations between symptom clusters and degree of disability all served to support the validity of the methodology. Such a system can provide inexpensive surveillance of morbidity in suitable populations. (Am J Public Health 70:82-84, 1980.) Maintaining good health is a major concern in industrial populations, especially where known hazards exist. We have recently developed and evaluated a system for monthly selfreport of signs and symptoms of illness as a means of monitoring health status between periodic medical examinations. The present report describes the data collection technique and presents evidence for its validity.Address reprint requests to C.

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Plasma cortisol and growth hormone (HGH) responses to venous catheterization were studied in 29 volunteer subjects. Repeat characterizations were performed in 18 individuals. Mean plasma cortisol levels were significantly elevated during the first hour of the initial catheterization experience. Morning and afternoon levels of cortisol were not distinguishable during the first catheterization, but PM levels were significantly lower than AM levels during the second catheterization experience. Growth hormone responses were much more variable than cortisol and were distributed logarithmically. Growth hormone responses tended to parallel cortisol responses during the first catheterization experience. Individuals who listed more symptoms in response to venipuncture and catheterization after finishing their first catheterization had significantly higher cortisol and growth hormone levels during this experience. These data suggest a definite endocrine adaptation to catheterization by the second or third hour of the experience.