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 period
Period
Time
Period × time
M
SD
M
SD
p
p
p
SL (min)
32.2
17.8
29.2
17.7
0.75
0.399
1.19
0.261
0.85
0.649
TST (min)
444.3
89.3
461.2
95.2
10.08
0.005
0.99
0.471
0.98
0.483
SE (%)
72.9
11.3
74.6
12.0
4.26
0.054
0.95
0.519
1.02
0.435
DLSSP (min)
173.0
52.1
186.2
62.6
4.46
0.049
1.33
0.159
0.76
0.754
WTASO (min)
129.6
59.8
125.8
70.0
0.31
0.586
0.59
0.914
0.75
0.767
EMA (times)
1.5
2.5
0.7
1.5
−2.59
0.010
NPI
6.4
6.0
5.6
6.0
3.86
0.065
2.67
0.083
5.41
0.032
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. , .
