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Readme file
SERIES A
 Statistics in Society
The zero-inflated Poisson model and the decayed, missing and filled teeth
index in dental epidemiology, by D. Boehning, E. Dietz, P.
Schlattmann, L. Mendonca and U. Kirchner
Journal of the Royal Statistical Society Series A, Statistics in Society, Volume
162 (1999), part 2, pages 195-209
This is the description of the data file used in the paper.
number of variables : 6
number of records : 797
Variables:
1. dmftb - DMFT-Index at the beginning of the study
2. dmfte - DMFT-Index at the end of the study 3. gender - gender of the school child
0 - female
1 - male
4. ethnic - ethnic group
1 - dark
2 - white
3 - black
5. school - school (=kind of prevention measure) 1 - oral health education
2 - all four methods together
3 - control school (no prevention measure)
4 - enrichment of the school diet with ricebran
5 - mouthrinse with 0.2% NaF-solution
6 - oral hygiene
For questions to this data file contact:
Dr. Dankmar Böhning
Priv.-Doz. (Medizinische Biometrie und Quantitative Epidemiologie)
Abteilung Epidemiologie
Institut für Soziale Medizin und Medizinische Psychologie
UKBF, Fachbereich Humanmedizin
Freie Universität Berlin
Fabeckstr. 60-62
Haus 562
14195 Berlin
Germany
Tel.: +49 30 8445 1292/1291
Fax: +49 30 8445 1290
E-mail: boehning@zedat.fu-berlin.de
Homepage: http://www.medizin.fu-berlin.de/sozmed/bo1.html
E-mail : boehning@zedat.fu-berlin.de
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Journals SERIES A
Statistics in Society
SERIES B
Statistical
Methodology
SERIES C
Applied
Statistics
SERIES D
The
Statistician
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