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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >A randomized trial of sequential and simultaneous multiple behavior change interventions for physical activity and fat intake.
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A randomized trial of sequential and simultaneous multiple behavior change interventions for physical activity and fat intake.

机译：一项针对身体活动和脂肪摄入的连续和同时多种行为改变干预措施的随机试验。

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BACKGROUND: Major questions remain unanswered about how best to accomplish multiple behavior change. The purpose of this study was to evaluate whether there are differences in successfully changing multiple behaviors in computer-tailored sequential and simultaneous interventions for physical activity (PA) promotion and fat intake (FI) reduction. METHODS: Participants (N=567) were randomly assigned to receive an intervention for PA and FI simultaneously; PA at baseline and FI at 3 months; or FI at baseline and PA at 3 months. Successful behavior change at 6 months was defined as: >60 min PA increase and/or 5% FI reduction. Using multinomial logistic regression the odds ratios of successful behaviors change (none, PA only, FI only, or both) were determined for intervention mode, gender, age, BMI and education. RESULTS: Overall drop-out was 26%. There was no behavior change for 20.2% of participants; 30.5% successfully decreased FI; 15.8% successfully increased PA; 33.5% successfully changed both behaviors. Intervention mode, gender and age were not associated with successful behavior change. Compared to those that did not change any behaviors: participants that successfully changed FI were more likely to be overweight/obese (OR=1.85); and participants that successfully changed both behaviors were more likely to be overweight/obese (OR=2.13) and have lower education (OR=2.46). CONCLUSIONS: Success in changing multiple behaviors was not associated with intervention mode; both simultaneous and sequential interventions can be applied. Being overweight might be an extra motivator to change health behaviors.
机译：背景：关于如何最好地完成多种行为改变的主要问题仍未得到解答。这项研究的目的是评估在针对身体活动（PA）促进和脂肪摄入（FI）减少的计算机量身定制的顺序干预和同时干预中，成功改变多种行为是否存在差异。方法：随机分配参与者（N = 567）以同时接受PA和FI的干预。基线时为PA，3个月时为FI;或基线时为FI，3个月时为PA。在6个月时成功的行为改变定义为：PA增加> 60分钟和/或FI减少5％。使用多项逻辑回归，确定干预方式，性别，年龄，BMI和受教育程度的成功行为改变的比值比（无，仅PA，仅FI或两者）。结果：总体辍学率为26％。 20.2％的参与者行为没有改变;成功降低FI的30.5％;成功提高了15.8％的PA; 33.5％的人成功地改变了这两种行为。干预方式，性别和年龄与成功的行为改变无关。与不改变任何行为的人相比：成功改变FI的参与者更有可能超重/肥胖（OR = 1.85）;成功改变两种行为的参与者更可能是超重/肥胖（OR = 2.13）和受过较低的教育（OR = 2.46）。结论：改变多种行为的成功与干预方式无关。同时干预和顺序干预均可应用。超重可能是改变健康行为的额外动机。

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