Calibration of a Simplified Cortisone Glucose Tolerance Test

Klimt, Christian R.; Wolff, F W; C, Silverman; Conant, James S.

doi:10.2337/diab.10.5.351

Cited by 14 publications

(3 citation statements)

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“…However, the use of an observer introduces observer variation, a phenomenon that plagues virtually all clinical and many epidemiological studies. Even seemingly objective tests such as red blood cell counts and determinations of blood glucose show this type of error (Berkson et al 1940;Klimt et al 1961). The often-noticed inter-and intra-observer variations in X-ray interpretations (Newell et al 1954) can become biased observations if the films are presented in a particular order, probably because the observer believes that the probability of retrogression of a lesion is different from that of progression (Reger et al 1973).…”

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confidence: 99%

Symptoms of depression in two communities

1977

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SynopsisHistories of depression-related symptoms were obtained from 3845 randomly selected adult residents of Kansas City, Missouri, and Washington County, Maryland. Depressed persons were slightly more common in Kansas City than in Washington County but within the latter area no urban–rural differences were observed. More depressed persons were found among blacks than among whites. Slightly more white females than males were depressed; no significant differences were found between black females and males. After adjustment for the effects of other independent variables, the probability of having symptoms of depression was highest among persons who were young adults, unmarried, not employed outside the home, poorly paid, and not well educated.

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confidence: 99%

Symptoms of depression in two communities

1977

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“…It was checked that this instruction was followed. The participants arrived fasting and were given an oral dose of 30 g glucose per ma of body surface as suggested by Klimt et al (6).…”

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confidence: 99%

A Diabetes Detection Campaign in Southern Sweden Results of 69,000 Examinations

Brandt

Nordén

Scherstén

et al. 1964

Journal of Internal Medicine

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“…Most thoroughly studied have been differences in the recognition and diagnosis of tuberculosis and cardiovascular disease by interpreters of chest roentgenograms (3)(4)(5)(6). Observer variation has also been documented in studies of blood pressure (7)(8)(9), serum glucose (10), and clubbing of the fingers (11).…”

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confidence: 91%

Interviewer Effect on Responses to a Questionnaire Relating to Mood1

Choi¹,

Comstock²

1975

American Journal of Epidemiology

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A community mental health assessment questionnaire relating largely to depressed mood was administered during 1972 to 1,212 respondents in Washington County, MD, by six interviewers. Analysis of 15 psycho-social tests showed that responses obtained by one interviewer differed significantly from responses obtained the other five. Suggestions for minimizing interviewer effects include 1) selection of interviewers with similar characteristics and backgrounds; 2) adequate training and periodic field assessment of interviewer performance; 3) simplification of questions and reduction in the number of possible responses per question; and 4) allocation of various types of subjects to interviewers as uniformly as possible.

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Calibration of a Simplified Cortisone Glucose Tolerance Test

Cited by 14 publications

References 0 publications

Symptoms of depression in two communities

Symptoms of depression in two communities

A Diabetes Detection Campaign in Southern Sweden Results of 69,000 Examinations

Interviewer Effect on Responses to a Questionnaire Relating to Mood1

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