| Titre : | Why do women use dietary supplements ? The use of the theory of planned behaviour to explore beliefs about their use. (2001) |
| Auteurs : | Mark CONNER ; Jennifer-H BARRETT ; Janet-E CADE ; Sara-Fl KIRK ; Division of Public Health. Nuffield Institute for Health. Leeds. GBR |
| Type de document : | Article |
| Dans : | Social science and medicine (vol. 52, n° 4, 2001) |
| Pagination : | 621-633 |
| Langues: | Anglais |
| Mots-clés : | Supplémentation ; Utilisation ; Homme ; Femme ; Royaume Uni ; Europe ; Comportement ; Attitude ; Déficit ; Nutrition ; Croyance |
| Résumé : | [BDSP. Notice produite par INIST CR0xs1IX. Diffusion soumise à autorisation]. Dietary supplements use is increasing, despite the lack of evidence to suggest they are needed to meet dietary deficiency in the majority of people. Reasons for consuming dietary supplements are likely to be complex, combining social, psychological, knowledge and economic factors. The Theory of Planned Behaviour (TPB) is a widely used model of social cognition, which has recently been applied to the nutrition field. It was used in a questionnaire, along with a number of additional measures, to explore dietary supplement use in a cohort of women. Data from 303 questionnaires were included in the analysis. The results showed that intentions were the major predictor of dietary supplement use. Health value and susceptibility to illness were also significant predictors of dietary supplement use (total of 82.9% of respondents correctly classified as users or non-users). Intentions themselves were most strongly predicted by attitude, with 70% of variance explained by attitude, subjective norms and perceived behavioural control. Other significant predictors of intentions were control beliefs, normative beliefs and health value. (...) |
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