Davoodi Sayed Hossein, Hosseini Zahra, Aghamolaei Teamur, Zare Mehdi, Ghanbarnejad Amin
1)Associate professor of Nutrition, Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 2)Department of Nutrition Research, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and.
Assistant Professor of Health Education and promotion, Social Determinants in Health Promotion Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
Arch Iran Med. 2017 Jun;20(6):344-349.
A diet rich in fruits and vegetables is of a great importance, especially to adolescents due to their need for nutrients and their rapid growth. The aim of this study was to investigate the relationship between decisional balance and self-efficacy with stages of change for fruit and vegetable consumption in high school students in Bandar Abbas, Iran.
In this descriptive-analytical study, data were collected from 345 students studying in eight high schools of Bandar Abbas who were selected through multistage sampling. To collect data, separate questionnaires were designed for evaluating each of the variables, including the stages of change, perceived benefits, perceived barriers, and self-efficacy of fruit and vegetable consumption. Decisional balance was estimated by subtracting the perceived benefits and barriers. The data were analyzed with one-way ANOVA using SPSS 19.
The results of this study indicated that the individuals' progress along the stages of change from pre-contemplation to maintenance level was associated with a significant increase in their decisional balance and self-efficacy for fruit and vegetable consumption (P < 0.001). The lowest level of decisional balance and self-efficacy regarding fruit showed up in the pre-contemplation stage, and the highest level of decisional balance and self-efficacy was in the maintenance stage. Similar trends were observed for vegetable consumption.
Decisional balance and self-efficacy should be considered in designing interventions to increase consumption of fruits and vegetables. There needs to be more emphasis on educational programs based on the Trans-theoretical Model (TTM) for the enhancement of perceived benefits and elimination of perceived barriers regarding consumption of fruits and vegetables.
富含水果和蔬菜的饮食非常重要，尤其是对青少年而言，因为他们需要营养且生长迅速。本研究的目的是调查伊朗阿巴斯港高中生在水果和蔬菜消费方面的决策平衡和自我效能与行为改变阶段之间的关系。
在这项描述性分析研究中，通过多阶段抽样从阿巴斯港八所高中的345名学生中收集数据。为收集数据，设计了单独的问卷来评估每个变量，包括行为改变阶段、感知到的益处、感知到的障碍以及水果和蔬菜消费的自我效能。通过用感知到的益处减去障碍来估计决策平衡。使用SPSS 19对数据进行单因素方差分析。
本研究结果表明，个体从预 contemplation 到维持水平的行为改变阶段进展与他们在水果和蔬菜消费方面的决策平衡和自我效能显著增加相关（P < 0.001）。在预 contemplation 阶段，水果方面的决策平衡和自我效能水平最低，而在维持阶段，决策平衡和自我效能水平最高。蔬菜消费也观察到类似趋势。
在设计增加水果和蔬菜消费的干预措施时应考虑决策平衡和自我效能。需要更加重视基于跨理论模型（TTM）的教育项目，以增强对水果和蔬菜消费的感知益处并消除感知障碍。
