Comparative Dental Caries Activity in Dropouts and Non-Dropouts from a Three-Year Study
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چکیده
منابع مشابه
Comparative dental caries activity in dropouts and non-dropouts from a three-year study.
Design of a clinical study to determine the impact of an experimental agent or regimen on dental caries activity must balance a number of interacting variables to yield meaningful results. At the outset, caries experience must be determined for each subject to permit sample stratification that will, in addition to age and sex, divide dental caries risk equally between the experimental groups. U...
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The association between symptoms and exposure is stronger in dropouts than in non-dropouts among employees in Norwegian smelters: a five-year follow-up study
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The employment effects of training programs for the unemployed are frequently studied, but little is known about the number, the characteristics, and the labor market prospects of those who drop out of these programs. The aim of this paper is to contribute to filling this gap. Using German administrative data it turns out that one out of five participants of further training programs drops out ...
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ژورنال
عنوان ژورنال: Journal of Dental Research
سال: 1973
ISSN: 0022-0345,1544-0591
DOI: 10.1177/00220345730520012601