Table 2. Mean Scores Before and After the Intervention, and Confidence Interval Changes in Sleep Quality of the Elderly in Reflexology Group^a.

Components of Questionnaire	Before Intervention		After Intervention	Statistical Indicators
	Mean ± SD	Median	Mean ± SD	CI 95% for Difference	P Wilcoxon
Subjective Sleep Quality	0.91 ± 1.04	1	0.52 ± 0.66	0.04 - 0.05	Z = -2.17, P = 0.02
Sleep latency	1.17 ± 1.15	1	0.65 ± 0.98	0.01 - 0.02	Z = -3.20, P = 0.001
Sleep Duration	1.17 ± 1.14	1	0.73 ± 0.96	0.04 - 0.05	Z = -2.07, P = 0.03
Sleep Efficiency	0.95 ± 1.22	0	0.60 ± 0.83	0.23 - 0.25	Z = -1.24, P = 0.21
Sleep Disturbances	30.91 ± 0.51	1	0.86 ± 0.54	1.00 -1.00	Z = -0.33, P = 0.73
Use of sLeep Medication	0.69 ± 1.25	0	0.47 ± 1.08	0.24 - 0.25	Z = -1.63, P = 0.10
Day Time Dysfunction	0.26 ± 0.54	0	0.04 ± 0.20	0.12 - 0.13	Z = -1.89, P = 0.05
Total Score	6.08 ± 5.27	4	3.91 ±4.04	0.007 - 0.01	Z = -2.57, P = 0.01

^aAbbreviations: CI, confidence interval; SD, standard deviation.