From: Many-faceted rasch calibration of the foot function index-revised short form
Item | Subscale | Calibration logits | SE logits | Infit MNSQ | Outfit MNSQ | |
---|---|---|---|---|---|---|
Q25 | Walking with assistive devices? | Difficulty | 1.48 | .05 | 1.09 | 1.05 |
Q21 | Getting out of a chair? | Difficulty | 1.29 | .03 | .95 | .89 |
Q33 | Burden of taking medication to control foot pain? | Social Issues | .87 | .04 | 1.34 | 1.38 |
Q24 | Keeping your balance? | Difficulty | .81 | .03 | 1.19 | 1.20 |
Q01 | Before you get up in the morning? | Pain | .79 | .03 | 1.23 | 1.36 |
Q20 | When you carried or lifted objects weighing more than five pounds? | Difficulty | .69 | .03 | 1.08 | 1.00 |
Q27 | Limit your outdoor activities because of foot problems? | Activity Limitation | .40 | .03 | 1.11 | 1.16 |
Q05 | When you stood wearing custom shoe inserts? | Pain | .27 | .05 | .88 | .88 |
Q13 | When you walked wearing custom shoe inserts? | Stiffness | .23 | .05 | .90 | .93 |
Q11 | When you stood wearing shoes? | Stiffness | .11 | .03 | .79 | .77 |
Q03 | When you stood wearing shoes? | Pain | .10 | .03 | .82 | .89 |
Q06 | When you walked wearing custom shoe inserts? | Pain | .09 | .05 | .94 | .93 |
Q08 | Before you get up in the morning? | Stiffness | .09 | .03 | 1.09 | 1.09 |
Q02 | When you first stood without shoes? | Pain | .05 | .03 | .91 | .92 |
Q32 | Difficulty participating in social activities due to footwear? | Social Issues | .04 | .03 | 1.34 | 1.32 |
Q09 | When you stood without shoes? | Stiffness | -.01 | .03 | .96 | .95 |
Q18 | Descending stairs? | Difficulty | -.07 | .03 | .75 | .71 |
Q12 | When you walked wearing shoes? | Stiffness | -.08 | .03 | .87 | .85 |
Q17 | Climbing stairs? | Difficulty | -.14 | .03 | .74 | .70 |
Q10 | When you walked without shoes? | Stiffness | -.15 | .03 | .92 | .90 |
Q14 | Before you went to sleep at night? | Stiffness | -.19 | .03 | 1.09 | 1.05 |
Q31 | Limit social activities due to foot problems? | Social Issues | -.24 | .03 | 1.06 | 1.08 |
Q34 | Concern about limited work around the house? | Social Issues | -.27 | .03 | .98 | .95 |
Q15 | Walking outside on uneven ground? | Difficulty | -.36 | .03 | .78 | .73 |
Q04 | When you walked wearing shoes? | Pain | -.40 | .03 | .89 | .91 |
Q28 | Limit your leisure/sport activities because of foot problems? | Activity Limitation | -.40 | .03 | 1.25 | 1.28 |
Q30 | Feeling awful because of foot problem? | Social Issues | -.40 | .03 | 1.13 | 1.39 |
Q22 | Walking fast? | Difficulty | -.58 | .03 | .86 | .78 |
Q16 | Walking four or more blocks? | Difficulty | -.58 | .03 | .90 | .80 |
Q19 | Standing on tip toes? | Difficulty | -.69 | .03 | 1.22 | 1.09 |
Q07 | At the end of a typical day? | Pain | -.92 | .03 | 1.02 | 1.09 |
Q23 | Running? | Difficulty | -1.84 | .04 | 1.22 | .94 |