Reliability and validity findings of the ALPHA environmental questionnaire in Germany

被引：10
作者：
Bucksch J. [1 ]
Spittaels H. [2 ]
机构：
[1] School of Public Health, University of Bielefeld, D-33501, Bielefeld
[2] Department of Movement and Sport Sciences, Ghent University, Ghent
来源：
Journal of Public Health | 2011年 / 19卷 / 5期
关键词：
Europe; Physical activity; Physical environment; Reliability;
D O I：
10.1007/s10389-011-0416-4
中图分类号：
学科分类号：
摘要：
Aim The objective of this study was to test whether the recently developed ALPHA (Instruments for Assessing Levels of Physical Activity and Fitness) environmental questionnaire for Europe is a reliable and valid instrument to assess perceptions of the physical environment in a German population. Subject and methods We conducted a survey at the University of Stuttgart. One hundred five participants (mean age 27.5 years, SD=9.7; 68.1% men) were contacted by e-mail and filled in a computer-assisted self-administered version of the ALPHA environmental questionnaire and of the International Physical Activity Questionnaire long version. We calculated bivariate Pearson correlations between environmental sum scores and domain - as well as intensity-specific PA. After 1 week, we contacted all participants a second time by e-mail. All in all, 42 participants answered the German version of the ALPHA environmental questionnaire twice. We calculated intra-class correlations to assess test-retest stability. Results Most of the scales and items of the ALPHA environmental questionnaire showed a moderate to good test-retest reliability. Domain- and intensity-specific PA correlated with different attributes of the physical environment. The correlations were low, but pointed in the expected direction. Conclusion The computer-assisted self-administered German version of the ALPHA environmental questionnaire appears to be a recommendable instrument to assess the perceived environment of a neighborhood for young adults. More representative studies across Europe are essential to finally determine the validity and reliability of this questionnaire. © Springer-Verlag 2011.
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页码：417 / 423
页数：6
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