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1. Comparison of different approaches to calculate nutrient intakes based upon 24-h recall data derived from a multicenter study in European adolescents.

Author

Julián-Almárcegui, Cristina, Bel-Serrat, Silvia, Kersting, Mathilde, Vicente-Rodriguez, German, Nicolas, Genevieve, Vyncke, Krishna, Vereecken, Carine, Keyzer, Willem, Beghin, Laurent, Sette, Stefania, Halström, Lena, Grammatikaki, Eva, Gonzalez-Gross, Marcela, Crispim, Sandra, Slimani, Nadia, Moreno, Luis, Henauw, Stefaan, and Huybrechts, Inge

Subjects
*ALCOHOLIC beverages, *DIETARY calcium, *CHILDREN'S health, *CHILD nutrition, *COMPARATIVE studies, *STATISTICAL correlation, *DATABASES, *EPIDEMIOLOGICAL research, *DIETARY fiber, *CARBOHYDRATE content of food, *FAT content of food, *INGESTION, *MEDICAL cooperation, *NUTRITIONAL assessment, *PROBABILITY theory, *DIETARY proteins, *RESEARCH, *RESEARCH funding, *T-test (Statistics), *ADOLESCENT health, *VITAMIN C, *WATER, *ADOLESCENT nutrition, *DATA analysis software, *NUTRITIONAL value, *DESCRIPTIVE statistics, *ADOLESCENCE, RESEARCH evaluation
Abstract

Purpose: The European 'Healthy Lifestyle in Europe by Nutrition in Adolescence' (HELENA) project evaluated two different approaches to harmonize the matching procedures between 24-h recall data and food composition databases. In the first approach, the 24-h recall data were linked to the local/national food composition databases using standardized procedures, while in the second approach, the 24-h recall data were linked to the German BLS database which includes a larger food list. The aim of this paper was to compare the intakes of energy and eight nutrient components calculated via both approaches. Methods: Two non-consecutive 24-h recalls were performed in 1268 adolescents. Energy, carbohydrates, proteins, fat, fiber, water, alcohol, calcium and vitamin C were calculated via the two approaches at individual level. Paired samples t test and Pearson's correlations were used to compare the mean intakes of energy and the eight mentioned nutrients and to investigate the possible associations between the two approaches. Results: Small but significant differences were found between the intakes of energy and the eight food components when comparing both approaches. Very strong and strong correlations (0.70-0.95) were found between both methods for all nutrients. Conclusion: The dietary intakes obtained via the two different linking procedures are highly correlated for energy and the eight nutrients under study. [ABSTRACT FROM AUTHOR]

Published
2016
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2. Assessing Drug Consumption Behavior With the Heidelberger Drogenbogen (Heidelberg Drug Scales): Reliabilities, Validities, and Cut-Off Criteria.

Author

Aguilar-Raab, Corina, Heene, Moritz, Grevenstein, Dennis, and Weinhold, Jan

Subjects
*RESEARCH, *CANNABIS (Genus), *CONFIDENCE intervals, *STATISTICAL correlation, *DISCRIMINANT analysis, *DRUGS of abuse, *EXPERIMENTAL design, *RESEARCH methodology, *MEDICAL cooperation, *PROBABILITY theory, *RESEARCH funding, *SELF medication, *SUBSTANCE abuse, *MULTIPLE regression analysis, *STATISTICAL reliability, *RECEIVER operating characteristic curves, *RESEARCH methodology evaluation, *DATA analysis software, *DESCRIPTIVE statistics, *ODDS ratio, RESEARCH evaluation
Abstract

Background: The Heidelberger Drogenbogen (HDB) is a German language assessment of substance-specific knowledge and consumption patterns of the illicit psychoactive substances cannabis, MDMA (ecstasy), amphetamines, cocaine, and hallucinogens. The behavior modules for each of these five drugs/drug groups allow for a diagnostic evaluation of the extent of harmful consumption behavior. Each of the five modules represents a single standardized test. Objectives: This paper outlines several statistical parameters, Cronbach's alpha, retest reliabilities, as well as numerous validity and cut-off-criteria of the behavioral modules. Methods: Participants (N = 4,794) were recruited at schools, universities, in subcultural contexts, and in institutions of substance abuse treatment. Results: Internal consistencies range from =.68 to.79 while test–retest reliabilities between.87 and.94 were found. The behavior modules of the HDB can discriminate between populations with and without clinical levels of substance use. Furthermore, this measure has incremental validity and higher diagnostic accuracy over competing measures. Conclusions: The behavior modules of the HDB are reliable and valid measures of substance use and misuse. [ABSTRACT FROM AUTHOR]

Published
2015
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