On the structure and dimensionality of health-related behaviour in adolescents

Author(s): Rise, J., Kraft, P.

Journal/Book: Psychol Health. 1997; 12: C/O Stbs Ltd, PO Box 90, Reading, Berks, England RG1 8JL. Harwood Acad Publ GmbH. 437-452.

Abstract: The structure of interrelations among different health-related behaviours was studied in a sample of Norwegian adolescents. Whereas some studies have suggested that health-related behaviour is unidimensional, other studies have supported the notion of multi-dimensionality, and most recently, bi-dimensionality. A multiple level, hierarchical factor model was developed through the combined use of exploratory and confirmatory (LISREL) analysis. On the first-order level a multi-dimensional model was extracted. On the second-order level, three more general dimensions appeared: 'High-action', 'Addiction' and 'Protection'. Finally, at the third-order level a single bi-polar dimension was found, differentiating between health-enhancing and health-threatening behaviour. A comprehensive hierarchical model, including first-, second- and third-order factors yielded good fit to the data. The results suggest that health-related behaviour can be conceptualised as concurrently multidimensional, few-dimensional and uni-dimensional. Further, through the aggregation of increasingly broader classes of behaviour, increasingly more general behaviour dispositions can be identified. Methodologically, the results suggest a general potential for higher-order factor models.

Note: Article Roysamb E, Natl Inst Publ Hlth, POB 4404 Torshov, N-0403 Oslo, NORWAY

Keyword(s): dimensionality; health behaviour; risk; third-order factor; adolescents; SINGLE

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