Research ReportThe Stice model of overeating: Tests in clinical and non-clinical samples
Section snippets
Female adolescents
A sample of 436 female adolescents had been obtained from six different schools in the eastern part of the Netherlands in various levels of education varying from lower vocational to pre-university education. They had a mean age of 15.6 years (SD=1.5) and a mean BMI (body mass index; weight/height×height) of 20.06 (SD=2.6). The questionnaire with the measures to study was administered under the supervision of both the teacher and the researcher after the students' parents had given their
Preliminary analyses
First of all, the correlation structures of the data obtained in the sample of female adolescents and the clinical sample were compared to analyse whether the non-clinical and clinical data should be analysed separately or in combination. A comparison between data of the clinical and non-clinical sample tested the hypothesis that both covariance matrices were calculated from random samples of one population. By testing this hypothesis with regard to the eight variables involved Body
Discussion
In the sample of female adolescents, the model by Stice (1994, 2001) fitted the data well and the extended model fitted the data even better. In the clinical sample, however, the initial model by Stice did not fit the data and only the extended, second model showed a satisfactory fit. In both samples there was strong support for a link between negative body image and restrained eating, but in neither of the samples support was found for a link between restrained eating and overeating/binge
Acknowledgements
Rutger Engels was supported by a fellowship of the Dutch Organization of Scientific Research during the preparation of this manuscript.
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