Ebadi-Vanestanagh Marziyeh, Molani-Gol Roghayeh, Alizadeh Mohammad
Student Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Nutrition Research Center, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
Nutr Health. 2025 Mar;31(1):91-99. doi: 10.1177/02601060231155538. Epub 2023 Feb 12.
BackgroundFood insecurity as a social determinant of health is associated with adverse physical health outcomes such as obesity.AimThis study aimed to evaluate the effects of nutrition education intervention based on the transtheoretical model (TTM) on food security, anthropometry, and body composition status.MethodsIn this randomized controlled trial, an intervention was conducted over months (five weeks) using the TTM among 160 women aged 19-64 years. Food security status, anthropometry, and body composition were determined three times: at baseline, three months, and six months after the intervention.ResultsIn the intervention group, food insecurity significantly decreased before, immediately after, and six months after the intervention, these changes were significant in follow-up time and treatment effect. After six months of follow-up, the intervention group significantly decreased weight (-1.29 kg), body mass index (-0.54), and waist circumference (-3.48 cm). Although differences between the two groups were not statistically significant except in the interaction between follow-up time and intervention groups. Also, the mean of fat mass and total body water decreased in the intervention group and differences between the two groups were statistically significant in follow-up time ( < 0.001 and = 0.01, respectively) and interaction between follow-up time and intervention group ( < 0.001 and = 0.005, respectively).ConclusionIn the current study, the findings of a six-month TTM-based intervention among women were positive that revealed to be a strategy that may improve anthropometric and nutritional status. Therefore, government programs that offer nutrition counseling should be prioritized to help the population to improve their eating habits.
背景
粮食不安全作为健康的社会决定因素，与肥胖等不良身体健康结果相关。
目的
本研究旨在评估基于跨理论模型（TTM）的营养教育干预对粮食安全、人体测量学和身体成分状况的影响。
方法
在这项随机对照试验中，对160名年龄在19 - 64岁的女性进行了为期数月（五周）的基于TTM的干预。在基线、干预后三个月和六个月时三次测定粮食安全状况、人体测量学和身体成分。
结果
在干预组中，干预前、干预后即刻和干预后六个月粮食不安全状况显著下降，这些变化在随访时间和治疗效果方面具有显著性。随访六个月后，干预组体重（-1.29 kg）、体重指数（-0.54）和腰围（-3.48 cm）显著下降。尽管除随访时间与干预组之间的交互作用外，两组之间的差异无统计学意义。此外，干预组脂肪量和总体水的均值下降，两组之间在随访时间（分别为<0.001和=0.01）以及随访时间与干预组之间的交互作用（分别为<0.001和=0.005）方面差异具有统计学意义。
结论
在本研究中，对女性进行的为期六个月的基于TTM的干预结果是积极的，表明这是一种可能改善人体测量学和营养状况的策略。因此，应优先考虑提供营养咨询的政府项目，以帮助民众改善饮食习惯。
