Effects of aromatherapy on sleep quality: A systematic review and meta-analysis

Pi Chu Lin, Pi Hsia Lee, Shu Ju Tseng, Yen Miao Lin, Su Ru Chen, Wen Hsuan Hou

研究成果: 雜誌貢獻文章

3 引文 斯高帕斯(Scopus)

摘要

Purpose: The objective of this study was to conduct a systematic review and meta-analysis to examine the effects of aromatherapy on sleep improvements. Methods: A search of randomized controlled trials was conducted in four English and two Chinese medical electronic databases. Two authors independently performed the search, assessed the methodological quality, and extracted data. Then, final studies were selected after consensus with the third author. Results: In total, 31 trials met the inclusion criteria, of which four had low risk, while the overall bias in 26 was uncertain in terms of methodological quality. The heterogeneity was high among the trials (Q = 341.544, p < 0.001, I2 = 91.216%). There was a significant effect of aromatherapy on sleep quality (Hedges's g = 1.103 (95% confidence interval: 0.813˜1.393, p < 0.001). There was a publication bias (Egger's regression intercept = 7.127, t = 3.055, p = 0.004 and Begg test, Kendall's tau with continuity correction, tau = 0.335 and Z = 2.651, p = 0.008). The subgroup analysis showed that there was a significant difference in the methodological quality among different studies (Q = 18.350, p < 0.001). Sensitivity analyses still revealed high heterogeneity after omitting one study at a time. Conclusions: The results showed that aromatherapy can be applied by clinical staff to effectively improve sleep quality. However, because there was a high degree of heterogeneity among studies, the inferences of the results need to be applied with caution.

原文英語
頁(從 - 到)156-166
頁數11
期刊Complementary Therapies in Medicine
45
DOIs
出版狀態已發佈 - 八月 1 2019

ASJC Scopus subject areas

  • Complementary and Manual Therapy
  • Complementary and alternative medicine
  • Advanced and Specialised Nursing

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