C ¼ control group; E ¼ experimental group; MS ¼ mean of square; SS ¼ sum of square.
* Because of group differences in the baseline, the adjusted mean was used to bring the data in a common ground.
y Sleep quality was measured by the Pittsburgh Sleep Quality Index. A higher score indicated a worse situation.
z Depression state was measured by the Taiwanese Depression Questionnaire. A higher score indicated a worse situation.