Laboratory CRIS, University of Lyon1, France.
J Phys Act Health. 2014 May;11(4):846-52. doi: 10.1123/jpah.2011-0412. Epub 2013 Apr 5.
Even when objective physical activity (PA) measures are preferred, many intervention studies with Latina women rely on self-reports because they are more feasible and the type and domain of PA is of interest.
This study examined the sensitivity and specificity of the IPAQ for detecting intervention-related changes in physical activity compared with accelerometer measurement among Latinas.
In March 2007, a community sample of 94 women (mean age = 36.31 ± 9.1 yr; mean body mass index = 31.37 ± 7.13) participated in a 12-week pedometer-based intervention to increase moderate intensity physical activity (MPA). Participants completed the Spanish-language International Physical Activity Questionnaire (Sp-IPAQ; telephone, long form) and wore an Actigraph accelerometer for 7 days at baseline and postintervention.
Both the IPAQ and the ActiGraph accelerometer detected intervention-related increases in MPA; however, these changes were largely uncorrelated. The IPAQ did not have acceptable level of sensitivity and specificity before and after the intervention when compared with objective assessments.
Data suggest that it is important to improve the sensitivity and specificity of the IPAQ with Spanish-speaking participants and further research is needed to accurately measure intervention effectiveness using self-reports of PA in Latinas.
即使客观的身体活动（PA）测量方法更受青睐，许多针对拉丁裔女性的干预研究仍依赖于自我报告，因为自我报告更可行，且研究的 PA 类型和领域更符合研究兴趣。
本研究旨在检验 IPAQ 在检测拉丁裔女性中与干预相关的身体活动变化方面的敏感性和特异性，与加速度计测量结果进行比较。
2007 年 3 月，对 94 名女性（平均年龄=36.31±9.1 岁；平均体重指数=31.37±7.13）进行了社区抽样，参与了一项为期 12 周的计步器为基础的干预计划，以增加中等强度的身体活动（MPA）。参与者完成了西班牙语版国际体力活动问卷（Sp-IPAQ；电话，长式），并在基线和干预后各佩戴了 7 天 Actigraph 加速度计。
无论是 IPAQ 还是 Actigraph 加速度计都检测到 MPA 与干预相关的增加；然而，这些变化在很大程度上是不相关的。与客观评估相比，干预前后 IPAQ 的敏感性和特异性都没有达到可接受的水平。
数据表明，提高 IPAQ 对讲西班牙语的参与者的敏感性和特异性非常重要，需要进一步研究以使用拉丁裔女性的 PA 自我报告来准确测量干预效果。
