Self-rating depression scale (SDS)
depression, anxiety
There are a total of 20 entries, of which 10 are scored by forward and 10 by reverse. The entries are scored by Likert4 level. The sum of the scores of each item is the total score of the scale. The scores were converted to a standard score: standard score = total anxiety score×1.25. The higher the score, the more serious the depression. A score ≤ 50 showed no depression, 50–59 showed mild depression, 60–69 showed moderate depression, and > 70 showed severe depression [