The instrument consists of 15 questions.
Positive directed (“Yes” indicates not depressed): 1, 5, 7, 11, 13
Negative directed (“Yes” indicates depressed): 2, 3, 4, 6, 8, 9, 10, 12, 14, 15
|
Response
|
Points for Positive Statements
|
Points of Negative Statements
|
|
Yes
|
0
|
1
|
|
No
|
1
|
0
|
total score =
= SUM(points for all 15 questions)
Interpretation:
• minimum score: 0
• maximum score: 15
• A cutoff of >=5 to indicate depression was considered the optimum cut-point, with sensitivity of 78.6% and specificity of 67%).
|
Cutoff
|
Sensitivity
|
Specificity
|
|
>= 3
|
88.1%
|
34%
|
|
>= 4
|
83.3%
|
52.1%
|
|
>= 5
|
78.6%
|
67%
|
|
>= 6
|
69%
|
76.6%
|
|
>= 7
|
60.7%
|
85.1%
|
from Table 3, page 178)
