Domains | Items | Item example | Scale | Transformation equation |
---|---|---|---|---|
General health perception | 1 | In general, would you say your health is? | 1–5 (poor = 1 to excellent = 5) | = (100/(5 − 1)) * (general health perception raw score − 3) |
Pain | 1 | How much bodily pain have you had in the past 4 weeks? | 1–5 (none = 1 to severe = 5) | = (100/(6 − 1)) * (pain − 2) |
Physical function | 3 | Does your health limit you are walking uphill/climbing stairs | 1–3 (yes limited a lot = 1; not limited at all = 3) | = (100/(9 − 3)) * (physical function raw score − 4) |
Role function | 2 | Does your health keep you from getting a job? | 1–3 (yes, all the time = 1; none of the time = 3) | = (100/(9 − 3)) * (role function raw score − 2) |
Social function | 2 | Has your physical or emotional health interfered with social activities? | 1–5 (not at all = 1; extremely = 5) | = (100/(8 − 2)) * (social function raw score − 2) |
Cognitive function | 3 | Difficulty reasoning or solving problems | 1–3 (all of the time = 1; none of the time = 3) | = (100/(9 − 3)) * (cognitive function raw score − 3) |
Mental Health | 3 | In the past 4 weeks, have you felt downhearted and blue? | 1–3 (all of the time = 1; none of the time = 3) | = (100/(18 − 3)) * (mental health raw score − 3) |
Energy/fatigue | 2 | In the past 4 weeks, how often have you felt tired? | 1–3 (all of the time = 1; none of the time = 3) | = (100/(6 − 2)) * (energy/fatigue raw score − 2) |