Comprehensive Access and Delivery Research and Evaluation, Iowa City VA Health Care System (152), 601 Highway West, Iowa City, IA 52246, USA.
J Telemed Telecare. 2012 Sep;18(6):348-51. doi: 10.1258/jtt.2012.120220. Epub 2012 Aug 29.
We compared the administration of the 9-item Patient Health Questionnaire (PHQ-9) to assess depressive symptoms using interactive voice response (IVR) technology with the method of administration using paper-and-pencil. Data were collected from 51 veterans participating in an 8-week randomized controlled trial of an illness management programme for heart failure. To counter possible bias in answering questions via IVR technology, the anchoring responses of the PHQ-9 questionnaire were reversed so that lower numbers corresponded to more severe depression. The mean for the pencil-and-paper administered PHQ-9 was 4.1 (SD = 4.5) and the mean for IVR administration was 2.8 (SD = 3.1). The internal consistency (Cronbach's alpha) of the PHQ-9 was 0.76 for IVR administration and 0.82 for paper administration. The intraclass correlation coefficient for the two modes of administration was 0.65, indicating moderate agreement. IVR administration of the PHQ-9 produces similar results to pencil-and-paper administration, but the former is not as sensitive to higher levels of depressive symptom severity. This suggests that a lower threshold for probable depression is warranted when assessing depressive symptoms with IVR.
我们比较了使用交互式语音应答 (IVR) 技术和纸笔方法管理的 9 项患者健康问卷 (PHQ-9)，以评估抑郁症状。数据来自 51 名参与心力衰竭疾病管理计划 8 周随机对照试验的退伍军人。为了应对通过 IVR 技术回答问题可能存在的偏差，PHQ-9 问卷的锚定反应被反转，以便较低的数字对应更严重的抑郁。纸笔管理的 PHQ-9 的平均值为 4.1（SD=4.5），而 IVR 管理的平均值为 2.8（SD=3.1）。IVR 管理的 PHQ-9 的内部一致性（Cronbach's alpha）为 0.76，纸笔管理的为 0.82。两种管理方式的组内相关系数为 0.65，表明中度一致。IVR 管理的 PHQ-9 产生与纸笔管理相似的结果，但前者对较高水平的抑郁症状严重程度不那么敏感。这表明，使用 IVR 评估抑郁症状时，可能需要设定较低的可能抑郁阈值。
