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Self-rated impulsivity in healthy individuals, substance use disorder and ADHD: psychometric properties of the Swedish Barratt impulsiveness scale
BMC Psychiatry ( IF 3.4 ) Pub Date : 2021-09-18 , DOI: 10.1186/s12888-021-03462-1
Lotfi Khemiri 1 , Christoffer Brynte 1 , Maija Konstenius 1 , Joar Guterstam 1 , Ingvar Rosendahl 1 , Johan Franck 1 , Nitya Jayaram-Lindström 1
Affiliation  

Impulsivity is associated with several psychiatric disorders, including substance use disorders (SUD) and attention deficit hyperactivity disorder (ADHD). A widely used questionnaire to assess impulsivity is the Barratt Impulsiveness Scale (BIS), and the aim of the current study was to evaluate the psychometric properties of the Swedish version of the BIS (swe-BIS). The original BIS was translated to Swedish and back-translated by an authorized translator. The swe-BIS was administered to healthy controls (n = 113), patients with alcohol use disorder (n = 97), amphetamine use disorder (n = 37) and attention deficit hyperactive disorder (ADHD; n = 26). A subset of subjects (n = 62) completed the swe-BIS twice within 1 week. Psychometric evaluation of the swe-BIS included assessment of different indices of reliability (internal consistency, test-retest and agreement) and validity (response processess, divergent and convergent). Confirmatory factor analyses (CFA) were performed to assess several indices of model fit in five different models based on previously suggested subscales. Cronbach’s alpha for all swe-BIS items in the full sample was 0.89, ranging from 0.78–0.87 within the different subgroups. The Pearson test-retest correlation for total score was 0.78 (p < 0.001), with greater test-retest correlations within compared to across different subscales. The Bland-Altman plot indicated high level of agreement between test and retest. The healthy individuals had lower swe-BIS score compared to the patients (t(267.3) = − 8.6; p < 0.001), and the swe-BIS total score was also significantly different between each of the four participant groups (p < 0.01 for all group comparisons). Furthermore, swe-BIS had greater correlations with impulsivity related scales compared to non-impulsivity related scales. The CFA analyses indicated that while no suggested model showed an optimal fit, the best model fit indices was found for the 3-factor model. The swe-BIS was found to have good to excellent psychometric properties with respect to the assessed indices of reliability and validity, supporting use of the scale in clinical research in both healthy individuals and patients with SUD and ADHD.

中文翻译:

健康个体的自评冲动、物质使用障碍和 ADHD:瑞典 Barratt 冲动量表的心理测量特性

冲动与多种精神疾病有关,包括物质使用障碍 (SUD) 和注意力缺陷多动障碍 (ADHD)。评估冲动性的广泛使用的问卷是 Barratt 冲动性量表 (BIS),本研究的目的是评估瑞典版 BIS (swe-BIS) 的心理测量特性。原始 BIS 被翻译成瑞典语,并由授权翻译人员回译。swe-BIS 用于健康对照(n = 113)、酒精使用障碍患者(n = 97)、苯丙胺使用障碍(n = 37)和注意力缺陷多动障碍(ADHD;n = 26)。一部分受试者 (n = 62) 在 1 周内完成了两次 swe-BIS。swe-BIS 的心理测量评估包括对不同可靠性指标(内部一致性、重测和一致性)和有效性(响应过程,发散和收敛)。进行验证性因子分析 (CFA) 以评估基于先前建议的子量表在五个不同模型中的几个模型拟合指数。完整样本中所有 swe-BIS 项目的 Cronbach's alpha 为 0.89,不同亚组内的范围为 0.78-0.87。总分的 Pearson 重测相关性为 0.78(p < 0.001),与不同子量表相比,内部重测相关性更大。Bland-Altman 图表明测试和重新测试之间具有高度的一致性。与患者相比,健康个体的 swe-BIS 得分较低(t(267.3) = − 8.6;p < 0.001),并且四个参与者组的每个组之间的 swe-BIS 总分也存在显着差异(p < 0. 01 用于所有组比较)。此外,与非冲动相关量表相比,swe-BIS 与冲动相关量表的相关性更大。CFA 分析表明,虽然没有建议的模型显示最佳拟合,但为 3 因子模型找到了最佳模型拟合指数。swe-BIS 被发现在评估的信度和效度指数方面具有良好到出色的心理测量特性,支持在健康个体和 SUD 和 ADHD 患者的临床研究中使用该量表。
更新日期:2021-09-19
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