• Sengul Cangur, Ege Gulec Balbay, and Terri E Weaver.
• Department of Biostatistics and Medical Informatics, Faculty of Medicine, Duzce University, 81620 Duzce, Turkey.
• Medicina (Kaunas). 2024 Oct 9; 60 (10).

AbstractBackground and Objectives: This study aims to examine the factors affecting the daily functioning of patients with obstructive sleep apnea (OSA). Materials and Methods: In addition to the polysomnography records of 361 patients, participants completed the Turkish FOSQ-10 (Functional Outcomes of Sleep-10), Medical Outcome Survey Short Form-12, Epworth Sleepiness Scale (ESS), Beck Depression Inventory (BDI), and Beck Anxiety Inventory (BAI). First, the psychometrics properties of the Turkish FOSQ-10 were evaluated. Then, factors affecting daily functioning were examined through univariate and multivariate analyses. Results: Of all participants, 68.7% (n = 248) were male, and the average age was 47.94 ± 11.08. According to the OSA category, 23% (n = 83) were mild, 22.7% (n = 82) were moderate, 45.2% (n = 163) were severe, and 9.1% (n = 33) were OSA negative. The Turkish FOSQ-10 was found to be a valid and reliable scale through validity and reliability analyses. The moderate and severe OSA patients had different FOSQ-10 Total scores compared to the negative OSA group. Daily functioning was positively associated with overall quality of life while inversely associated with depression, being anxious, and daytime sleepiness in OSA patients. In a multiple regression model, BDI, mental component summary-12, physical component summary-12, and ESS scores were significantly related to the FOSQ-10 Total score in OSA patients (p < 0.05). Conclusions: The daily functioning of moderate and severe OSA patients was worse than that of the negative OSA group. Depression, quality of life, and daytime sleepiness were simultaneously important variables associated with daily functioning in OSA patients.

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