. Fatemeh Sharifnia; . Mohtasham Ghaffari; . Sakineh Rakhshanderou
Volume 9, Issue 12 , December 2019, , Pages 1-7
Abstract
INTRODUCTION: Aging and chronic diseases associated with nutrition are increasing in the world;therefore, access to a tool for assessing nutritional literacy in the elderly is necessary. ...
Read More
INTRODUCTION: Aging and chronic diseases associated with nutrition are increasing in the world;therefore, access to a tool for assessing nutritional literacy in the elderly is necessary. Therefore,the present study was carried out with the aim of psychometric evaluation of nutritional literacy inthe elderly.MATERIALS AND METHODS: This study was carried out to psychometric testing of the NutritionLiteracy Scale (NLS), through the validity and reliability of the tool in 280 elderly people (60 years ofage and older) in Tehran. The validity of this tool was determined through the methods of translation,face and content and reliability of the tool through the methods of test–retest and internal consistency.Finally, the tool was analyzed using SPSS software version 16.RESULTS: In this study, content validity index (CVI) was calculated for each item; CVI averagewas 0.86.5. To determine the reliability of the tool, interclass correlation coefficient was calculatedby measuring the instrument’s stability, and it was 0.92. Exploratory factor analysis confirmed theexistence of six factors in the questionnaire, which was named nutritional information, healthynutrition, calorie intake, organic foods, saturated fats, and unit size, which explains 43% of the totalvariance. Furthermore, in the internal consistency assessment, the questionnaire was completedby 280 elderly people, and the Cronbach’s α coefficient was 0.80.CONCLUSION: Based on the results obtained in the reliability and validity assessment, NLS inIranian elderly has a desirable reliability and validity. This questionnaire has been translated intoPersian for the first time. The results of this study provide a standard tool for assessing nutritionalliteracy status in Persian language communities.