Morrone Elisa, Sguazzin Cinzia, Bertolotti Giorgio, Giordano Andrea, Braghiroli Alberto, Balestroni Gian Luigi, Manni Raffaele, Ferini Strambi Luigi, Castronovo Vincenza, Zucconi Marco, De Carli Fabrizio, Pinna Eleonora, Ottonello Marcella, Giorgi Ines, Terzaghi Michele, Marelli Sara, Fanfulla Francesco
Sleep Medicine Unit, Istituti Clinici Scientifici Maugeri, Scientific Istitute of Pavia IRCCS, Pavia, Italy.
Psychology Unit, Istituti Clinici Scientifici Maugeri, Scientific Istitute of Pavia IRCCS, Pavia Italy.
PLoS One. 2017 Jul 10;12(7):e0180743. doi: 10.1371/journal.pone.0180743. eCollection 2017.
The aim of this study was to develop and validate a questionnaire designed to measure the impact of sleep impairment on emotional distress in patients with various sleep disorders.
Five experts created an item data-bank pertaining to sleep-related psychological symptoms and somatic perceptions. Fifty patients in two focus groups examined each item for: a) word clarity (indicating any ambiguity of interpretation) and b) appropriateness for the target population. This process permitted to identify 36 appropriate items. Classical Test Theory and Rasch Analysis were used to further refine the questionnaire, yielding the final 17-item set. Concurrent validation of the new scale was tested with the Pittsburgh Sleep Quality Index, Epworth Sleepiness Scale, and the Anxiety and Depression questionnaires.
Starting from the initial item data-bank, a 17-item questionnaire, the Maugeri Sleep Quality and Distress Inventory (MaSQuDI-17), was produced. Parallel Analysis on the MaSQuDI-17 confirmed the presence of a single dimension; exploratory factor analysis showed salient loading for each item, explaining 58.7% of total variance. Item-remainder correlation ranged from 0.72 to 0.39 and Cronbach alpha was 0.896. Rasch analysis revealed satisfactory psychometric properties of the new scale: the rating structure performed according to expectations, model fit was good and no item dependencies emerged. The scale presented good convergent validity and scores significantly distinguished healthy subjects from OSAS or Insomnia or BSD (p < 0.001).
MaSQuDI -17 shows good psychometric qualities, and can be used to assess the impact of sleep disorders such as Insomnia, OSAS, Central Hypersomnia and BSD on emotional stress.
本研究旨在开发并验证一份问卷，以测量睡眠障碍对各类睡眠障碍患者情绪困扰的影响。
五名专家创建了一个与睡眠相关的心理症状和躯体感知有关的项目库。两个焦点小组中的50名患者对每个项目进行了检查，检查内容包括：a）词语清晰度（表明解释是否存在歧义）和b）对目标人群的适用性。这一过程确定了36个合适的项目。使用经典测试理论和拉施分析进一步完善问卷，最终得到了17个项目的问卷。使用匹兹堡睡眠质量指数、爱泼华嗜睡量表以及焦虑和抑郁问卷对新量表进行同时效度验证。
从最初的项目库出发，编制了一份包含17个项目的问卷，即毛杰里睡眠质量与困扰量表（MaSQuDI - 17）。对MaSQuDI - 17进行的平行分析证实存在单一维度；探索性因素分析显示每个项目的负荷显著，解释了总方差的58.7%。项目与剩余部分的相关性在0.72至0.39之间，克朗巴哈α系数为0.896。拉施分析显示新量表具有令人满意的心理测量特性：评分结构符合预期，模型拟合良好，未出现项目依赖性。该量表具有良好的收敛效度，其得分能显著区分健康受试者与阻塞性睡眠呼吸暂停低通气综合征（OSAS）、失眠或双相情感障碍（BSD）患者（p < 0.001）。
MaSQuDI - 17显示出良好的心理测量质量，可用于评估失眠、OSAS、中枢性过度嗜睡和BSD等睡眠障碍对情绪压力的影响。
