Non-pharmacological Treatment for Elderly Individuals With Insomnia: A Systematic Review and Network Meta-Analysis.

However, sleep education (SMD −4.31, 95% CI −9.78 to 1.15), or relaxation (SMD −2.44, 95% CI −5.98 to 1.09) did not show significant or near-significant differences with the wait-list ( Table 2 , Figure 3 , Supplementary Figures 3–9 , Supplementary Table 27 ).

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wait-list being changed to borderline significance (SMD −4.27, 95% CI −8.57 to 0.04), no change was found in the remaining significant differences, compared to before removal of the outlier ( Supplementary Figure 10 , Supplementary Table 28 ).

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