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Table 1 Means and standard deviations of the HADS subscales

From: Factor structure of the Hospital Anxiety and Depression Scale in Japanese psychiatric outpatient and student populations

 

Whole sample

Students

Outpatients

HADS-A

   

    Mean

7.0

6.5

8.3

    SD

4.0

3.7

4.4

    t (df)

-

7.46 (644)***

    Possible cases

451 (31%)

265 (25%)

186 (46%)

    Probable cases

211 (14%)

111 (10%)

100 (25%)

HADS-D

   

    Mean

6.5

5.9

8.2

    SD

4.1

3.7

4.6

    t (df)

-

8.87 (610) ***

    Possible cases

425 (29%)

243 (23%)

182 (45%)

    Probable cases

173 (12%)

77 (7%)

96 (25%)

Number of samples

1477

1069

408

  1. *** P < 0.001. Possible cases were identified by cut-off point = 8/9; Probable cases were identified by cut-off point = 11/12.