Understanding the relationship between nutritional knowledge, self‑efficacy, and self‑concept of high‑school students suffering from overweight
نویسندگان
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2 Department of Nutrition, Food Security Research Center and School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran,
3 Departmert of Biostatistics and Epidemiology, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
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doi
چکیده
Background and Aim: Adolescents’ overweight problems have been paid much attention dueto their significant increase in recent decades in developed countries. Poor eating patternssubsequently affect their self‑efficacy and self‑concept. Therefore, paying attention to thenutritional knowledge of overweight students in this period is essential. This study examines therelationship between self‑efficacy, self‑concept, and nutritional knowledge of overweight studentsin the city of Isfahan. Materials and Methods: The 140 overweight students who participated inthis descriptive, analytical study with were randomly selected from one of five areas of Isfahancity in the year 2011‑2012. Questionnaires for data collection in this study included demographicform, nutrition knowledge, Cooper Smith self‑esteem, and general self‑efficacy questionnaire.Data were analyzed by ANOVA, regression, and Pearson’s correlation coefficient with statisticalpackage in social sciences version 18. Results: There was a significant correlation betweenwhole nutritional knowledge and self‑efficacy (r = 0.29, P > 0.001) and self‑concept (r = 0.26,P = 0.002). There was a significant correlation between self‑efficacy and self‑concept (r = 0.3,P = 0.001). Furthermore, in the selection of food section there was no significant correlation with theself‑concept (r = 0.147, P = 0.083). Regression analysis between self‑concept, self‑efficacy, familydimension, father’s education, mother’s education, father’s occupation, mother’s occupationaand income with nutrition knowledge showed that these eight variables explain 17.7% of thevariance in health behaviors totally. Conclusion: By conducting this study, and revealing the directrelationship between nutritional knowledge, self‑concept, and self‑efficacy, we could concludethat if nutritional knowledge of overweight students is promoted, this factor would lead to anincrease their self‑concept and self‑efficacy in order to adopt healthy behaviors and have theexpected healthy eating and healthy life‑style.
