在有和没有饮食障碍的成年女性大样本中，挪威版患者健康问卷-9（PHQ-9）的心理测量特性。
Psychometric properties of the Norwegian version of the Patient Health Questionnaire-9 (PHQ-9) in a large female sample of adults with and without eating disorders.
机构信息
Division of Mental Health and Addiction, Regional Department for Eating Disorders, Oslo University Hospital, P.O. Box 4956 Nydalen, 0424, Oslo, Norway.
Department of Psychology, University of Oslo, Oslo, Norway.
出版信息
BMC Psychiatry. 2021 Jan 5;21(1):6. doi: 10.1186/s12888-020-03013-0.
BACKGROUND
Internationally, the Patient Health Questionnaire-9 (PHQ-9) is commonly used to assess the frequency and severity of depressive symptoms. However, psychometric properties of the Norwegian version of the PHQ-9 have only been assessed in adolescents. We present normative data for women and an evaluation of the psychometric properties (internal consistency, convergent validity, and factor structure) of the Norwegian PHQ-9 among women with and without eating disorders (ED).
METHODS
In this case-control study, a total of 793 females aged 18-78 years (mean 30.39; SD 9.83) completed an online self-report assessment. Measures included the ED100K and Eating Disorder Examination Questionnaire (EDE-Q) to assess ED psychopathology, and the Generalized Anxiety Disorder (GAD) scale and Difficulties in Emotion Regulation Scale Short Form (DERS-SF) to assess symptoms of anxiety and emotion regulation deficits. Participants were categorized into three groups, i.e., previous ED (19.7%, n = 148), current ED (36.3%, n = 272), and no history of ED (44.0%, n = 330), based on self-reported scores on the ED 100 K and the EDE-Q.
RESULTS
Mean PHQ-9 total score for those with a previous history of ED was 10.67 (SD 6.33), for those with a current ED 16.61 (SD 5.84), and for those with no lifetime history of ED 6.83 (SD 5.58). Excellent internal consistency was demonstrated by Cronbach's alpha's for individuals with a previous ED (.88), for individuals with a current ED (.86), and for individuals with no history of ED (.88). Acceptable convergent validity was indicated based on significant correlations between the PHQ-9 and GAD-7 and DERS-SF. Confirmatory Factor Analyses revealed a mediocre fit for a one-factor structure of the PHQ-9, regardless of diagnostic status.
CONCLUSIONS
The psychometric properties of the Norwegian version of the PHQ-9 are acceptable across females with and without ED, and the PHQ-9 can be recommended for use in clinical ED settings and for people without mental disorders.
背景
国际上，患者健康问卷-9（PHQ-9）常用于评估抑郁症状的频率和严重程度。然而，PHQ-9 的挪威版本的心理测量特性仅在青少年中进行了评估。我们提供了女性的常模数据，并评估了患有和不患有饮食障碍（ED）的女性中 PHQ-9 的心理测量特性（内部一致性、收敛效度和因子结构）。
方法
在这项病例对照研究中，共有 793 名年龄在 18-78 岁的女性（平均 30.39；标准差 9.83）完成了在线自我报告评估。评估包括 ED100K 和饮食障碍检查问卷（EDE-Q）以评估 ED 心理病理学，以及广泛性焦虑障碍（GAD）量表和情绪调节困难量表短式（DERS-SF）以评估焦虑和情绪调节缺陷的症状。根据 ED100K 和 EDE-Q 的自我报告评分，参与者被分为三组，即既往 ED（19.7%，n=148）、当前 ED（36.3%，n=272）和无 ED 史（44.0%，n=330）。
结果
既往 ED 组的 PHQ-9 总分平均值为 10.67（标准差 6.33），当前 ED 组为 16.61（标准差 5.84），无 ED 组为 6.83（标准差 5.58）。既往 ED 个体（.88）、当前 ED 个体（.86）和无 ED 史个体（.88）的 Cronbach's alpha 显示出极好的内部一致性。基于 PHQ-9 与 GAD-7 和 DERS-SF 的显著相关性，表明存在可接受的收敛效度。验证性因子分析显示，无论诊断状态如何，PHQ-9 的单因素结构拟合度中等。
结论
挪威版 PHQ-9 在患有和不患有 ED 的女性中具有可接受的心理测量特性，PHQ-9 可推荐用于临床 ED 环境和无精神障碍的人群。
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