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0283 Perceived Control Over One’s Health: Linking Dispositional Mindfulness and Sleep Outcomes
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- 자료유형학술지논문
- 저자명Imel, J. L.,MacPherson, A.,Schreiber, D.,Lisech, A.,Dautovich, N.
- 학회/출판사/기관명Oxford University Press
- 출판년도2018
- 언어영어
- 학술지명/학위논문주기Sleep
- 발행사항Vol.41//SUP1No.-[2018]_x000D_
- ISBN/ISSN0161-8105
- 소개/요약Introduction Higher levels of dispositional mindfulness are associated with better sleep quality. However, literature has not fully explored the mechanisms behind this association. Mindfulness increases present-mindedness and sense of control, two factors linked to positive health outcomes. Although self-rated physical health has been linked to better sleep quality, it is unclear whether mindfulness impacts sleep outcomes by changing perceptions of control over one’s health. Thus, the aim of this analysis is to examine the mindfulness—sleep association across the adult lifespan in a sample of community-dwelling adults, while investigating perceived control over individual health as a mediator. Methods The study is an archival analysis of middle-age and older adult (n=398; Mage=54.50) participants in the Midlife in the United States-II study, Projects 1 and 4. Sleep was defined as overall sleep quality determined by global sleep scores (GSS) from the PSQI and through daily sleep diaries (DSD) in conjunction with actigraphy. Mindfulness and perceived control over health were measured via questionnaires. Results Hierarchical regression was used to examine the mindfulness—sleep associations. Controlling for covariates (gender, self-rated health, age), mindfulness significantly predicted DSD sleep quality, F(4, 293)=9.689, p<.001. Perceived control of individual health fully mediated the mindfulness—GSS association, 95% CI [-.0140, -.0025], but did not mediate the mindfulness—sleep efficiency or mindfulness—sleep quality associations. Conclusion Higher levels of dispositional mindfulness indirectly predicted better global sleep through higher perceived control over one’s health. Greater mindfulness may increase feelings of perceived control over health which has beneficial implications for global perceptions of sleep. Future research should examine ways to enhance dispositional mindfulness to protect against disturbed sleep. Additional work should examine the role of perceived control over health on sleep outcomes in populations with higher likelihood to report poor sleep (e.g., adults with higher rates of pain and chronic illness). Support (If Any) The MIDUS-I study was supported by the John D. and Catherine T. MacArthur Foundation Research Network on Successful Midlife Development. The MIDUS-II research was supported by a grant from the NIA (P01-AG020166).
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