通过增益框架、有针对性的信息增加年轻女性的钙摄入量：一项随机对照试验。
Increasing calcium intake in young women through gain-framed, targeted messages: a randomised controlled trial.
机构信息
University of Western Ontario, Health Sciences, Ontario N6A5B9 Canada.
出版信息
Psychol Health. 2011 May;26(5):531-47. doi: 10.1080/08870441003611544.
BACKGROUND
Adequate calcium consumption during early adulthood can help prevent osteoporosis in women.
PURPOSE
The effects of gain-framed, targeted messaging on calcium intake were examined over 12 months.
METHODS
Young women (18-19 years) not consuming sufficient calcium were randomly assigned to receive standard care materials (control) or gain-framed, targeted materials (experimental). Health belief model (HBM) constructs, calcium intake and markers of bone formation, resorption and bone mineral density were assessed at various time points throughout the year.
RESULTS
Calcium intake increased significantly more in the experimental versus the control condition (p < 0.01). Self-efficacy was the only HBM construct to improve significantly more in the experimental condition versus control (p = 0.05). The HBM did not mediate changes in calcium intake. Measures of bone health did not differ between conditions by the end of this nonpharmacological intervention (p's > 0.05).
CONCLUSIONS
It is possible to increase young women's calcium consumption through gain-framed, targeted messages.
背景
在成年早期摄入足够的钙有助于预防女性骨质疏松症。
目的
在 12 个月的时间里，研究了以收益为导向、有针对性的信息对钙摄入量的影响。
方法
将未摄入足够钙的年轻女性（18-19 岁）随机分配接受标准护理材料（对照组）或收益导向、有针对性的材料（实验组）。在一年中的不同时间点评估健康信念模型（HBM）结构、钙摄入量以及骨形成、吸收和骨矿物质密度的标志物。
结果
实验组的钙摄入量明显高于对照组（p < 0.01）。与对照组相比，实验组的自我效能感唯一显著提高（p = 0.05）。HBM 并不能调节钙摄入量的变化。在这项非药物干预结束时，两组的骨健康指标没有差异（p > 0.05）。
结论
通过收益导向、有针对性的信息可以增加年轻女性的钙摄入量。
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