The long form consists of 19 questions, which are divided into 3 groups:
(1) I = irritative symptoms (7 questions)
(2) S = stress symptoms (2 questions)
(3) OD = obstructive/discomfort symptoms (10 questions)
|
Response
|
Points
|
|
not at all
|
0
|
|
slightly
|
1
|
|
moderately
|
2
|
|
greatly
|
3
|
where:
• The text in Shumaker et al refers to points being 1 to 4, but the Appendix gives 0 to 3.
subscore for irritative symptoms =
= SUM(points for all 7 questions)
subscore for stress symptoms =
= SUM(points for both stress questions)
subscore for obstructive/discomfort symptoms =
= SUM(points for all 10 questions)
The short form consists of 6 questions, which are divided into the same 3 groups as the long form.
(1) I = irritative symptoms
(2) S = stress symptoms
(3) OD = obstructive/discomfort symptoms
The question corresponds to questions 1, 3, 4, 6, 10 and 14 in the long form.
Interpretation:
• minimum score for both forms is 0
• maximum score for the long form is 57
• maximum score for the short form is 18
Transformation of Long Form Subscore
Each subscore can be rescored to 100 points:
transformed subscore =
= (average subscore) * 100/3
total transformed score =
= SUM(all 3 transformed subscores)
Interpretation:
• minimum total transformed score: 0
• maximum total transformed score: 300
