Journal•ISSN: 0021-9681
Journal of Chronic Diseases
Pergamon Press
About: Journal of Chronic Diseases is an academic journal. The journal publishes majorly in the area(s): Population & Blood pressure. It has an ISSN identifier of 0021-9681. Over the lifetime, 3049 publications have been published receiving 163939 citations.
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TL;DR: The method of classifying comorbidity provides a simple, readily applicable and valid method of estimating risk of death fromComorbid disease for use in longitudinal studies and further work in larger populations is still required to refine the approach.
39,961 citations
TL;DR: Acceptance of survival as a criterion for measuring the effectiveness of cancer therapy is attested to by the very large number of papers published every year reporting on the survival experience of cancer patients.
2,809 citations
TL;DR: This chapter focuses on the bias in analytic research, which is a general trend toward fewer study subjects but more study authors was also noted.
2,003 citations
TL;DR: Responsiveness should join reliability and validity as necessary requirements for instruments designed primarily to measure change over time in psychometric measures.
1,867 citations
TL;DR: A questionnaire for evaluating energy expenditure in leisure time physical activity (LTA) along with information about its validity is presented in this paper, which is valid for use in longitudinal studies in North America of the relationship of physical activity to disease, in weight control clinics and in other researches in which leisure-time physical activity is of interest.
1,771 citations