抑郁焦虑压力量表（DASS - 21）：创伤性脑损伤康复中的因子结构
Depression Anxiety Stress Scales (DASS-21): Factor Structure in Traumatic Brain Injury Rehabilitation.
作者信息
Randall Diane, Thomas Matt, Whiting Diane, McGrath Andrew
机构信息
Charles Sturt University, Bathurst, Australia (Mss Randall, and Drs Thomas and McGrath); and Brain Injury Rehabilitation Research Group, Ingham Institute of Applied Medical Research, Liverpool, Australia (Dr Whiting).
出版信息
J Head Trauma Rehabil. 2017 Mar/Apr;32(2):134-144. doi: 10.1097/HTR.0000000000000250.
OBJECTIVE
To confirm the construct validity of the Depression Anxiety Stress Scales-21 (DASS-21) by investigating the fit of published factor structures in a sample of adults with moderate to severe traumatic brain injury (posttraumatic amnesia > 24 hours).
PARTICIPANTS
Archival data from 504 patient records at the Brain Injury Rehabilitation Unit at Liverpool Hospital, Australia. Participants were aged between 16 and 71 years and were engaged in a specialist rehabilitation program.
MAIN MEASURE
The DASS-21.
RESULTS
Two of the 6 models had adequate fit using structural equation modeling. The data best fit Henry and Crawford's quadripartite model, which comprised a Depression, Anxiety and Stress factor, as well as a General Distress factor. The data also adequately fit Lovibond and Lovibond's original 3-factor model, and the internal consistencies of each factor were very good (α = 0.82-0.90).
CONCLUSION
This study confirms the structure and construct validity of the DASS-21 and provides support for its use as a screening tool in traumatic brain injury rehabilitation.
目的
通过调查已发表的因子结构在中度至重度创伤性脑损伤（创伤后遗忘症>24小时）成年样本中的拟合情况，来确认抑郁焦虑压力量表-21（DASS-21）的结构效度。
参与者
来自澳大利亚利物浦医院脑损伤康复科504份患者记录的存档数据。参与者年龄在16至71岁之间，均参与了专业康复项目。
主要测量指标
DASS-21。
结果
使用结构方程模型，6个模型中有2个拟合良好。数据最符合亨利和克劳福德的四方模型，该模型包括一个抑郁、焦虑和压力因子以及一个一般困扰因子。数据也充分符合洛维邦德和洛维邦德最初的三因子模型，且每个因子的内部一致性都非常好（α=0.82-0.90）。
结论
本研究证实了DASS-21的结构和结构效度，并为其作为创伤性脑损伤康复中的筛查工具提供了支持。
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