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Table 2 Depression and anxiety scale scores as measured by the SIGH-SAD, HAMA, and BDI

From: Transcranial bright light treatment via the ear canals in seasonal affective disorder: a randomized, double-blind dose-response study

Measure

Group 1 (n = 28)

Group 2 (n = 31)

Group 3 (n = 30)

 

Mean

95% CI

Mean

95% CI

Mean

95% CI

SIGH-SAD

      

  Week 0

36.6

34.1-39.0

36.1

33.7-38.5

35.7

33.5-37.8

  Week 4

19.0

14.4-23.6

19.1

15.5-22.7

19.8

15.6-23.9

HAMD

      

  Week 0

21.8

20.2-23.5

21.5

19.5-23.5

21.1

19.6-22.6

  Week 4

11.3

8.5-14.1

11.1

9.0-13.1

11.5

8.9-14.0

Atypical score

      

  Week 0

14.8

13.1-16.4

14.5

13.2-15.9

14.6

13.2-16.0

  Week 4

7.7

5.3-10.1

8.0

6.2-9.9

8.3

6.3-10.3

HAMA

      

  Week 0

23.6

21.3-26.0

22.6

20.2-25.1

22.1

19.9-24.2

  Week 4

11.6

8.2-14.9

11.2

8.7-13.7

12.0

9.1-14.8

BDI

      

  Week 0

20.6

17.5-23.7

18.9

15.8-22.1

19.3

15.8-22.9

  Week 4

6.9

3.6-10.1

5.5

3.2-7.9

7.4

4.4-10.4