Research Article

Effects of Inhalation Aromatherapy on Symptoms of Sleep Disturbance in the Elderly with Dementia

Table 2

Means and comparisons of sleep indices between the control period and the intervention period.

Variable Control period Intervention periodPeriodTimePeriod × time
M SDM SD ppp

SL (min)32.217.829.217.70.750.3991.190.2610.850.649
TST (min)444.389.3461.
SE (%)72.911.374.612.04.260.0540.950.5191.020.435
DLSSP (min)173.052.1186.262.64.460.0491.330.1590.760.754
WTASO (min)129.659.8125.870.00.310.5860.590.9140.750.767
EMA (times)−2.590.010

Note. -value refers to overall time of each period effect using Wilcoxon signed rank test.
Period comparing the control and intervention periods.
-value refers to main and alternate effects using two-way ANOVA.
N = 19.
, .