Chung Seockhoon, Kim Jiyoung, Lee Dongin, Ahn Junseok, Bang Young Rong, Afolalu Esther F, Choi Seong-Soo, Tang Nicole K Y
Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Life Care Center for Cancer Patient, Asan Medical Center Cancer Institute, Asan Medical Center, Seoul, Republic of Korea.
Behav Sleep Med. 2024 Dec 24:1-11. doi: 10.1080/15402002.2024.2441786.
We assessed the reliability and validity of the Korean version of the Pain-related Beliefs and Attitudes about Sleep (PBAS) scale among patients with chronic pain. Furthermore, we investigated whether pan-related dysfunctional beliefs about sleep mediate the relationship between sleep severity and pain.
Overall, 100 participants with chronic pain were recruited using an anonymous online survey. Their demographic data and responses to pain severity rating scales, comprising the translated Korean version of the PBAS; Dysfunctional Beliefs and Attitudes about Sleep-16 (DBAS-16); Metacognition Questionnaire-Insomnia-6 (MCQI-6); and the Insomnia Severity Index (ISI), were collected.
The Korean version of the PBAS scale has two-factor structure. The PBAS was a reliable scale which can measure pain-related dysfunctional beliefs about sleep among patients with chronic pain. It showed strong convergent validity with pain severity ( = 0.61, < .001), DBAS-16 ( = 0.65, < .001), MCQI-6 ( = 0.56, < .001), and ISI ( = 0.68, < .001) scores. Mediation analysis indicated that pain severity directly influenced insomnia severity, with PBAS, DBAS-16, and MCQI-6 scores partially mediating this association. Conversely, insomnia severity was associated with pain severity, with the PBAS score alone mediating this relationship.
The Korean PBAS is a reliable and valid rating scale which measures pain-specific, sleep-related dysfunctional beliefs among patients with chronic pain.
