Section of Psychiatric Epidemiology, Institute and Department of Psychiatry, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil.
Braz J Psychiatry. 2012 Dec;34(4):389-94. doi: 10.1016/j.rbp.2012.03.005.
The Beck Depression Inventory (BDI) is used worldwide for detecting depressive symptoms. This questionnaire has been revised (1996) to match the DSM-IV criteria for a major depressive episode. We assessed the reliability and the validity of the Brazilian Portuguese version of the BDI-II for non-clinical adults.
The questionnaire was applied to 60 college students on two occasions. Afterwards, 182 community-dwelling adults completed the BDI-II, the Self-Report Questionnaire, and the K10 Scale. Trained psychiatrists performed face-to-face interviews with the respondents using the Structured Clinical Interview (SCID-I), the Montgomery-Åsberg Depression Scale, and the Hamilton Anxiety Scale. Descriptive analysis, signal detection analysis (Receiver Operating Characteristics), correlation analysis, and discriminant function analysis were performed to investigate the psychometric properties of the BDI-II.
The intraclass correlation coefficient of the BDI-II was 0.89, and the Cronbach's alpha coefficient of internal consistency was 0.93. Taking the SCID as the gold standard, the cut-off point of 10/11 was the best threshold for detecting depression, yielding a sensitivity of 70% and a specificity of 87%. The concurrent validity (a correlation of 0.63-0.93 with scales applied simultaneously) and the predictive ability of the severity level (over 65% correct classification) were acceptable.
The BDI-II is reliable and valid for measuring depressive symptomatology among Portuguese-speaking Brazilian non-clinical populations.
贝克抑郁自评量表（BDI）在全球范围内用于检测抑郁症状。该问卷已修订（1996 年）以符合 DSM-IV 重性抑郁发作的标准。我们评估了巴西葡萄牙语版 BDI-II 在非临床成年人中的信度和效度。
该问卷在两次机会中应用于 60 名大学生。之后，182 名社区居住的成年人完成了 BDI-II、自我报告问卷和 K10 量表。经过培训的精神科医生使用结构化临床访谈（SCID-I）、蒙哥马利-Åsberg 抑郁量表和汉密尔顿焦虑量表与受访者进行面对面访谈。描述性分析、信号检测分析（受试者工作特征）、相关分析和判别函数分析用于研究 BDI-II 的心理测量特性。
BDI-II 的组内相关系数为 0.89，内部一致性的克朗巴赫α系数为 0.93。以 SCID 为金标准，10/11 的切点是检测抑郁的最佳阈值，灵敏度为 70%，特异性为 87%。同时效度（与同时应用的量表的相关系数为 0.63-0.93）和严重程度水平的预测能力（超过 65%的正确分类）是可以接受的。
BDI-II 用于测量葡萄牙语巴西非临床人群的抑郁症状具有可靠性和有效性。
