The questionnaire comes in a long or short form.
Groups in long form:
(1) PA = physical activity (6 questions)
(2) T = travel (6 questions)
(3) SR = social/relationships (10 questions)
(4) EH = emotional health (8 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 physical activity symptoms =
= SUM(points for all 6 questions)
subscore for travel symptoms =
= SUM(points for both travel questions)
subscore for social/relationships symptoms =
= SUM(points for all 10 questions)
subscore for emotional health symptoms =
= SUM(points for all 8 questions)
Groups in the short form:
(1) PA = physical activity (2 questions)
(2) T = travel (2 questions)
(3) SR = social relationships (1 question)
(4) EH = emotional health (2 questions)
Correlation with long form: corresponds to long form questions 1, 5, 6, 8, 15, 20, 27
Interpretation:
• minimum score for both forms is 0
• maximum score for long form is 90; subscores for physical activity, travel, social/relationships and emotional health can be calculated
• The average score for the short form is calculated (from 0 to 3), then multiplied by 33.333 to generate a possible range of 0 to 100.
Transformation of Long Form Subscore
Each subscore can be rescored to 100 points:
transformed subscore =
= (average subscore) * 100/3
total transformed score =
= SUM(all 4 transformed subscores)
Interpretation:
• minimum total transformed score: 0
• maximum total transformed score: 400