TABLE 1.
Items and Respective Endorsements of the SF-12 Version 1
| Endorsements | ||||
|---|---|---|---|---|
| Items | Score | PCS | MCS | |
| 1 | In general would you say your health is: | Excellent (1) | 0 | 0 |
| Very good (2) | −1.31872 | −0.06064 | ||
| Good (3) | −3.02396 | 0.03482 | ||
| Fair (4) | −5.56461 | −0.16891 | ||
| Poor (5) | −8.37399 | −1.71175 | ||
| The following two questions are about activities you might do during a typical day. Does your health now limit you in these activities? If so, how much? | ||||
| 2 | Moderate activities, such as moving a table, pushing a vacuum cleaner, bowling, or playing golf: | Yes, limited a lot (1) | −7.23216 | 3.93115 |
| Yes, limited a little (2) | −3.4555 | 1.86840 | ||
| No, not limited at all (3) | 0 | 0 | ||
| 3 | Climbing several flights of stairs: | Yes, limited a lot (1) | −6.24397 | 2.68282 |
| Yes, limited a little (2) | −2.73557 | 1.42103 | ||
| No, not limited at all (3) | 0 | 0 | ||
| During the past 4 weeks, have you had any of the following problems with your work or other regular activities as a result of your physical health? | ||||
| 4 | Accomplished less than you would like: | Yes (1) | −4.61617 | 1.44060 |
| No (2) | 0 | 0 | ||
| 5 | Were limited in the KIND of work or other activities: | Yes (1) | −5.51747 | 1.66968 |
| No (2) | 0 | 0 | ||
| During the past 4 weeks, were you limited in the kind of work you do or other regular activities as a result of any emotional problems (such as feeling depressed or anxious)? | ||||
| 6 | Accomplished less than you would like: | Yes (1) | 3.04365 | −6.82672 |
| No (2) | 0 | 0 | ||
| 7 | Didn’t do work or other activities as carefully as usual: | Yes (1) | 2.32091 | −5.69921 |
| No (2) | 0 | 0 | ||
| 8 | During the past 4 weeks, how much did pain interfere with your normal work (including both work outside the home and housework)? |
Not at all (1) | 0 | 0 |
| A little bit (2) | −3.80130 | 0.90384 | ||
| Moderately (3) | −6.50522 | 1.49384 | ||
| Quite a bit (4) | −8.38063 | 1.76691 | ||
| Extremely (5) | −11.25544 | 1.48619 | ||
| The next three questions are about how you feel and how things have been during the past 4 weeks. For each question, please give the one answer that comes closest to the way you have been feeling. How much of the time during the past 4 weeks — | ||||
| 9 | Have you felt calm and peaceful? | All of the time (1) | 0 | 0 |
| Most of the time (2) | 0.66514 | −1.94949 | ||
| A good bit of the time (3) | 1.36689 | −4.09842 | ||
| Some of the time (4) | 2.37241 | −6.31121 | ||
| A little of the time (5) | 2.90426 | −7.92717 | ||
| None of the time (6) | 3.46638 | −10.19085 | ||
| 10 | Did you have a lot of energy? | All of the time (1) | 0 | 0 |
| Most of the time (2) | −0.42251 | −0.92057 | ||
| A good bit of the time (3) | −1.14387 | −1.65178 | ||
| Some of the time (4) | −1.61850 | −3.29805 | ||
| A little of the time (5) | −2.02168 | −4.88962 | ||
| None of the time (6) | −2.44706 | −6.02409 | ||
| 11 | Have you felt downhearted and blue? | All of the time (1) | 4.61446 | −16.15395 |
| Most of the time (2) | 3.41593 | −10.77911 | ||
| A good bit of the time (3) | 2.34247 | −8.09914 | ||
| Some of the time (4) | 1.28044 | −4.49055 | ||
| A little of the time (5) | 0.41188 | −1.95934 | ||
| None of the time (6) | 0 | 0 | ||
| 12 | During the past 4 weeks, how much of the time has your physical health or emotional problems interfered with your social activities (like visiting with friends, relatives, etc.)? |
All of the time (1) | −0.33682 | −6.29724 |
| Most of the time (2) | −0.94342 | −8.26066 | ||
| A good bit of the time (3) | −0.18043 | −5.63286 | ||
| A little of the time (4) | 0.11038 | −3.13896 | ||
| None of the time (5) | 0 | 0 | ||