Koldsland Bjørn Odd, Mehlum Lars, Mellesdal Liv Solrunn, Walby Fredrik A, Diep Lien M
Vestre Viken Health Trust, Ringerike Hospital psychiatric out-patient clinic, Oslo, Norway.
BMC Res Notes. 2012 Aug 7;5:417. doi: 10.1186/1756-0500-5-417.
Rating scales are valuable tools in suicide research and can also be useful supplements to the clinical interview in suicide risk assessments. This study describes the psychometric properties of a Norwegian language version of the Suicide Assessment Scale Self-report version (SUAS-S).
Participants were fifty-two patients (mean age = 39.3 years, SD = 10.7) with major depression (53.8%), bipolar disorder (25.0%) and/or a personality disorder (63.5%) referred to a psychiatric outpatient clinic. The SUAS-S, the screening section of the Beck Scale for Suicidal Ideation (BSS-5), the Beck Depression Inventory (BDI), Beck's Hopelessness Scale (BHS), the Symptom Check-List-90 R (SCL-90R) and the Clinical Global Impression for Severity of Suicidality (CGI-SS) were administered. One week later, the patients completed the SUAS-S a second time.
Cronbach's alpha for SUAS-S was 0.88 and the test-retest reliability was 0.95 (95% CI: 0.93- 0.97). SUAS-S was positively correlated with the BSS-5 (r = 0.66; 95% CI: 0.47-0.85) for the study sample as a whole and for the suicidal (r = 0.52) and non-suicidal groups (r = 0.50) respectively. There was no difference between the SUAS-S and the BSS-5 in the ability to identify suicidality. This ability was more pronounced when the suicide risk was high. There was a substantial intercorrelation between the score on the SUAS-S and the BDI (0.81) and the BHS (0.76). The sensitivity and specificity of the SUAS-S was explored and an appropriate clinical cut-off value was assessed.
The study revealed good internal consistency, test-retest reliability and concurrent validity for the Suicide Assessment Scale Self-report version. The discriminatory ability for suicidality was comparable to that of the BSS-5.
评定量表是自杀研究中的重要工具，在自杀风险评估中也是临床访谈的有益补充。本研究描述了自杀评估量表自陈版（SUAS-S）挪威语版本的心理测量特性。
参与者为52例患者（平均年龄 = 39.3岁，标准差 = 10.7），患有重度抑郁症（53.8%）、双相情感障碍（25.0%）和/或人格障碍（63.5%），被转诊至精神科门诊。使用了SUAS-S、贝克自杀意念量表筛查部分（BSS-5）、贝克抑郁量表（BDI）、贝克绝望量表（BHS）、症状自评量表90修订版（SCL-90R）以及自杀严重程度临床总体印象量表（CGI-SS）。一周后，患者再次完成SUAS-S。
SUAS-S的Cronbach's α系数为0.88，重测信度为0.95（95%置信区间：0.93 - 0.97）。对于整个研究样本以及自杀组（r = 0.52）和非自杀组（r = 0.50），SUAS-S与BSS-5均呈正相关（r = 0.66；95%置信区间：0.47 - 0.85）。在识别自杀倾向的能力上，SUAS-S与BSS-5没有差异。当自杀风险较高时，这种能力更为明显。SUAS-S得分与BDI（0.81）和BHS（0.76）之间存在显著的相互关联。探讨了SUAS-S的敏感性和特异性，并评估了合适的临床临界值。
该研究揭示了自杀评估量表自陈版具有良好的内部一致性、重测信度和同时效度。其对自杀倾向的鉴别能力与BSS-5相当。
