Karintrakul Sasipha, Angkatavanich Jongjit
Department of Nutrition and Dietetics, Faculty of Allied Health Sciences, Chulalongkorn University, 154 Rama 1 Road, Pathumwan, Bangkok 10330, Thailand.
Nutr Res Pract. 2017 Aug;11(4):319-326. doi: 10.4162/nrp.2017.11.4.319. Epub 2017 Jun 22.
BACKGROUND/OBJECTIVE: Effective weight reduction remains a challenge throughout the world as the prevalence of obesity and its consequences are increasing. This study aimed to determine the effects of an individualized nutrition counseling program (IC) matched with a transtheoretical model (TTM) for overweight and obese subjects.
SUBJECTS/METHODS: Fifty overweight and obese subjects aged 19-60 years with a body mass index ≥ 23 kg/m were enrolled in the weight reduction study. They were randomized into two groups: Intervention group received an IC matched with a TTM; control group received an educational handbook. Body weight (BW), body fat (BF), waist circumference (WC), waist to height ratio (WHtR), stages of change (SOC), processes of change (POC), food intake, and physical activity (PA) were assessed at baseline and at 4, 8, and 12 weeks after program initiation in both groups. All data were analyzed by intention-to-treat, using SPSS software for hypothesis testing.
Forty-five female subjects were included in the 12-week trial at Ramkhamhaeng Hospital, Bangkok, Thailand. The results showed significant weight loss (1.98 ± 1.75 kg; 3% loss of initial weight) in the intervention group at 12 weeks, compared to a 0.17 ± 1.67 kg loss in the control group. There were significant differences between intervention and control groups in BF mass (-1.68 ± 1.78, -0.04 ± 1.62 kg); percentage BF (-1.54 ± 2.11, 0.08 ± 2.05); WC (-5.35 ± 3.84, 0.13 ± 3.23 cm); WHtR (-0.0336 ± 0.02, -0.0004 ± 0.02), and energy consumption (-405.09 ± 431.31, -74.92 ± 499.54 kcal/day) in the intervention and control groups, respectively. Intragroup SOC was improved in both groups. The POC for the weight management action (WMA) process was significantly different with POC scores increasing by 16.00 ± 11.73 and 7.74 ± 14.97 in the intervention and the control groups, respectively. PA level did not change in either group.
The IC matched with a TTM resulted in reductions in BW, BF, and WC, thus reducing likely health risks by decreasing energy intake and inducing positive behavior changes while enhancing the WMA process.
背景/目的：随着肥胖症及其后果的患病率不断上升，有效的体重减轻在全球范围内仍是一项挑战。本研究旨在确定一项与跨理论模型（TTM）相匹配的个性化营养咨询项目（IC）对超重和肥胖受试者的影响。
受试者/方法：50名年龄在19 - 60岁、体重指数≥23kg/m²的超重和肥胖受试者参与了体重减轻研究。他们被随机分为两组：干预组接受与TTM相匹配的IC；对照组接受一本教育手册。在基线以及两组项目启动后的第4、8和12周评估体重（BW）、体脂（BF）、腰围（WC）、腰高比（WHtR）、改变阶段（SOC）、改变过程（POC）、食物摄入量和身体活动（PA）。所有数据采用意向性分析，使用SPSS软件进行假设检验。
泰国曼谷蓝康恒医院的12周试验纳入了45名女性受试者。结果显示，干预组在12周时体重显著减轻（1.98±1.75kg；初始体重减轻3%），而对照组体重减轻0.17±1.67kg。干预组和对照组在BF质量（-1.68±1.78，-0.04±1.62kg）、BF百分比（-1.54±2.11，0.08±2.05）、WC（-5.35±3.84，0.13±3.23cm）、WHtR（-0.0336±0.02，-0.0004±0.02）以及能量消耗（-405.09±431.31，-74.92±499.54kcal/天）方面分别存在显著差异。两组的组内SOC均得到改善。体重管理行动（WMA）过程的POC存在显著差异，干预组和对照组的POC得分分别增加了16.00±11.73和7.74±14.97。两组的PA水平均未改变。
与TTM相匹配的IC导致BW、BF和WC降低，从而通过减少能量摄入和诱导积极的行为改变，同时增强WMA过程，降低了可能的健康风险。
