Department of Psychology, Syracuse University, Syracuse, NY 13244, United States.
Department of Psychology, Syracuse University, Syracuse, NY 13244, United States.
Addict Behav. 2019 Jun;93:146-153. doi: 10.1016/j.addbeh.2019.01.042. Epub 2019 Jan 28.
Poor sleep quality and insufficient total sleep time have been shown to modify the relationship between college drinking and negative drinking consequences. This study aimed to examine whether prospective associations between risky drinking and negative drinking consequences similarly differ by sleep-related functional impairment, which is novel to the literature.
Data were obtained from a 2-month prospective study of 157 college drinkers (mean age = 19 years [SD = 1.11], 30% male, 76% White). Online questionnaires were administered at both Time 1 (T1) and Time 2 (T2) to measure sleep-related functional impairment (assessed by Insomnia Diurnal Impact Scale; Ruiz, Guilera, & Gomez-Benito, 2011) and drinking behaviors and negative drinking consequences (assessed retrospectively over the past 2 months).
Prospective negative binomial regression analyses demonstrated that associations of both maximum drinks and binge drinking frequency at T1 with negative drinking consequences at T2 differed by T1 sleep-related functional impairment after controlling for covariates (sex, negative mood, total sleep time, insomnia symptoms, morning preference, and negative drinking consequences at T1). Students reporting lower sleep-related functional impairment experienced high levels of negative drinking consequences only at high levels of risky drinking, whereas students reporting higher sleep-related functional impairment experienced consistently high levels of negative drinking consequences regardless of their risky drinking levels.
Findings indicate that sleep-related functional impairment may exacerbate negative drinking consequences of risky drinking. Thus, sleep-related functional impairment helps to explain individual differences in the association between risky drinking and negative drinking consequences in college students.
已有研究表明，睡眠质量差和总睡眠时间不足会改变大学生饮酒与负面饮酒后果之间的关系。本研究旨在检验睡眠相关功能障碍是否同样会改变风险饮酒与负面饮酒后果之间的前瞻性关联，这在文献中尚属新颖。
数据来自一项为期 2 个月的前瞻性研究，共纳入 157 名大学生饮酒者（平均年龄 19 岁 [SD=1.11]，30%为男性，76%为白人）。在 T1 和 T2 时通过在线问卷评估睡眠相关功能障碍（使用失眠日间影响量表进行评估；Ruiz、Guilera 和 Gomez-Benito，2011）和饮酒行为及负面饮酒后果（在过去 2 个月内进行回顾性评估）。
在控制了协变量（性别、负面情绪、总睡眠时间、失眠症状、早上偏好和 T1 时的负面饮酒后果）后，前瞻性负二项回归分析表明，T1 时的最大饮酒量和 binge 饮酒频率与 T2 时的负面饮酒后果之间的关联，因 T1 时的睡眠相关功能障碍而异。报告睡眠相关功能障碍较低的学生仅在高风险饮酒水平时才会经历高水平的负面饮酒后果，而报告睡眠相关功能障碍较高的学生无论其风险饮酒水平如何，都会持续经历高水平的负面饮酒后果。
研究结果表明，睡眠相关功能障碍可能会加剧风险饮酒带来的负面饮酒后果。因此，睡眠相关功能障碍有助于解释大学生中风险饮酒与负面饮酒后果之间关联的个体差异。
