一项多组分干预措施降低了通用电气员工保险公司企业现场的体重和心血管风险。
A multicomponent intervention reduces body weight and cardiovascular risk at a GEICO corporate site.
机构信息
Department of Medicine, The George Washington University School of Medicine, Washington, DC, USA.
出版信息
Am J Health Promot. 2010 Jul-Aug;24(6):384-7. doi: 10.4278/ajhp.081027-QUAN-255.
PURPOSE
To determine whether a multicomponent nutrition intervention program at a corporate site reduces body weight and improves other cardiovascular risk factors in overweight individuals.
DESIGN
Prospective clinical intervention study.
SUBJECTS/SETTING: Employees of the Government Employees Insurance Company (GEICO) (N = 113), aged 21 to 65 years, with a body mass index > or =25 kg/m(2) and/or previous diagnosis of type 2 diabetes.
INTERVENTION
A 22-week intervention including a low-fat, vegan diet.
MEASURES
Changes in body weight, anthropometric measures, blood pressure, lipid profile, and dietary intake.
ANALYSIS
Multivariate analyses of variance were calculated for clinical and nutrient measures, followed by univariate analyses of variance, to determine the significance of differences between groups in changes over time.
RESULTS
Intervention-group participants experienced greater weight changes compared with control-group participants (mean, -5.1 [SE, .6] kg vs. + .1 [SE, .6] kg, p < .0001), as well as greater changes in waist circumference (mean, -4.7 [SE, .6] cm vs. + .8 [SE, .6] cm, p < .0001) and waistratiohip ratio (mean, -.006 [SE, .003] vs. + .014 [SE, .005], p = .0007). Weight loss of 5% of body weight was more frequently observed in the intervention group (48.5%) compared with the control group (11.1%) (chi(2)[1, N = 113] = 16.99, p < .0001).
CONCLUSIONS
Among individuals volunteering for a 22-week worksite research study, an intervention using a low-fat, vegan diet effectively reduced body weight and waist circumference.
目的
确定企业现场的多成分营养干预计划是否能减轻体重并改善超重个体的其他心血管风险因素。
设计
前瞻性临床干预研究。
对象/设置：政府雇员保险公司（GEICO）的员工（N = 113），年龄 21 至 65 岁，体重指数（BMI）≥25kg/m(2)且/或有 2 型糖尿病病史。
干预
为期 22 周的干预，包括低脂、纯素饮食。
测量
体重、人体测量学指标、血压、血脂谱和饮食摄入的变化。
分析
对临床和营养指标进行多变量方差分析，然后进行单变量方差分析，以确定组间随时间变化的差异的显著性。
结果
干预组参与者的体重变化明显大于对照组参与者（平均，-5.1 [SE，.6]kg 与+.1 [SE，.6]kg，p <.0001），腰围（平均，-4.7 [SE，.6]cm 与+.8 [SE，.6]cm，p <.0001）和腰臀比（平均，-.006 [SE，.003]与+.014 [SE，.005]，p =.0007）也有更大的变化。体重减轻 5%的比例在干预组中更常见（48.5%），而在对照组中较少见（11.1%）（chi(2)[1，N = 113] = 16.99，p <.0001）。
结论
在自愿参加为期 22 周的现场研究的个体中，使用低脂、纯素饮食的干预措施可有效减轻体重和腰围。
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