构建和预测意图戒烟的三种措施的有效性：来自国际烟草控制（ITC）荷兰调查的结果。
Construct and Predictive Validity of Three Measures of Intention to Quit Smoking: Findings From the International Tobacco Control (ITC) Netherlands Survey.
机构信息
Department of Health Promotion, Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands.
Department of Methodology and Statistics, Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands.
出版信息
Nicotine Tob Res. 2018 Aug 14;20(9):1101-1108. doi: 10.1093/ntr/ntx092.
INTRODUCTION
The aim of the study was to compare the construct validity and the predictive validity of three instruments to measure intention to quit smoking: a Stages of Change measure, the Motivation To Stop Scale (MTSS), and a Likert scale. We used the Theory of Planned Behavior as theoretical framework.
METHODS
We used data from the International Tobacco Control Netherlands Survey. We included smokers who participated in three consecutive survey waves (n = 980). We measured attitude, subjective norm, and perceived behavioral control in 2012, intention to quit with three instruments in 2013, and having made a quit attempt in the last year in 2014. We conducted Structural Equation Modeling with three models for the instruments of intention separately and with one model that included the three instruments simultaneously.
RESULTS
All three instruments of intention were significantly and positively related to attitude and perceived behavioral control but none was related to subjective norm. All three instruments were significantly and positively related to making a quit attempt. The relation of the Likert scale with making a quit attempt (β = 0.38) was somewhat stronger than that of the Stages of Change measure (β = 0.35) and the MTSS (β = 0.22). When entering the three instruments together into one model, only the Likert scale was significantly related to making a quit attempt.
CONCLUSIONS
All three instruments showed reasonable construct validity and comparable predictive validity. Under the studied conditions, the Likert scale performed slightly better than the Stages of Change measure and the MTSS.
IMPLICATIONS
An assessment of the Stages of Change, the Motivation To Stop Scale, and a Likert scale showed comparable predictive and construct validity as measures for intention to quit smoking. All three instruments can be used in future research; however, under the studied theoretical framework, that is, the Theory of Planned Behavior, the Likert scale performed slightly better than the other two instruments.
介绍
本研究旨在比较三种用于测量戒烟意愿的工具的结构效度和预测效度：一个阶段变化量表、动机停止量表（MTSS）和李克特量表。我们使用计划行为理论作为理论框架。
方法
我们使用了荷兰国际烟草控制调查的数据。我们纳入了在三个连续调查波中参与的吸烟者（n=980）。我们在 2012 年测量了态度、主观规范和感知行为控制，在 2013 年使用三种工具测量了戒烟意愿，在 2014 年测量了过去一年的戒烟尝试。我们对三种工具的意向分别进行了结构方程建模，并同时进行了一个模型，该模型包含了这三种工具。
结果
所有三种戒烟意愿的工具都与态度和感知行为控制呈显著正相关，但都与主观规范无关。所有三种工具都与戒烟尝试呈显著正相关。与李克特量表（β=0.38）相比，阶段变化量表（β=0.35）和动机停止量表（β=0.22）与戒烟尝试的相关性略强。当将三种工具一起纳入一个模型时，只有李克特量表与戒烟尝试呈显著相关。
结论
所有三种工具都表现出合理的结构效度和相当的预测效度。在所研究的条件下，李克特量表的表现略优于阶段变化量表和动机停止量表。
意义
对阶段变化、动机停止和李克特量表的评估显示，它们作为戒烟意愿的测量工具具有相当的预测和结构效度。这三种工具都可以在未来的研究中使用；然而，在所研究的理论框架下，即计划行为理论，李克特量表的表现略优于其他两种工具。
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