From: Validation of a mobility item bank for older patients in primary care
Confirmatory factor analysis | Rasch rating scale analysis | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Single Factor | Bi-factor model | Location (Error) | Infit MNSQ | Outfit MNSQ | ||||||
G | g1 | g2 | g3 | g4 | ||||||
Walking (W) | ||||||||||
W01 | Walk around the house | .88 | .86 | .27 | 3.15 (.15) | .88 | .54 | |||
W02 | Walk without losing balance** | .81 | .80 | .16 | - | - | - | |||
W03 | Walk without tripping | .78 | .78 | .06 | 1.71 (.11) | 1.02 | 1.47 | |||
W04 | Walk outdoors | .89 | .86 | .29 | .91 (.10) | .78 | .72 | |||
W05 | Walk 5 minutes nonstop | .83 | .79 | .33 | 2.12 (.12) | 1.13 | .73 | |||
W06 | Cross the road | .87 | .87 | .17 | 2.02 (.12) | .91 | .77 | |||
W07 | Walk 1 kilometre with rests | .89 | .83 | .40 | .50 (.09) | .98 | .81 | |||
W08 | Walk on a slippery surface | .82 | .82 | .14 | - .84 (.09) | .95 | 1.29 | |||
W09 | Walk 15 minutes nonstop | .88 | .81 | .46 | .84 (.10) | 1.03 | .95 | |||
W10 | Walk 5 minutes at a fast pace | .87 | .80 | .44 | - .74 (.09) | 1.22 | 1.00 | |||
W11 | Walk 2 kilometres nonstop | .90 | .84 | .43 | - .66 (.09) | 1.03 | .83 | |||
W12 | Walk several kilometres on uneven ground | .88 | .85 | .27 | - 1.53 (.08) | .90 | .84 | |||
W13 | Walk half an hour at a fast pace nonstop | .88 | .81 | .46 | - 2.47 (.09) | 1.04 | .90 | |||
W14 | Climb a steep hill | .81 | .80 | .20 | - 1.06 (.09) | .89 | 1.29 | |||
W15 | Run a short distance | .88 | .86 | .26 | - 2.31 (.09) | 1.08 | .89 | |||
W16 | Run one and a half kilometres | .83 | .80 | .30 | - 4.30 (.10) | 1.29 | .97 | |||
Up and down stairs (UDS) | ||||||||||
UDS01 | Climb 4 or 5 steps, using handrails | .86 | .83 | .40 | 1.89 (.11) | .87 | .72 | |||
UDS02 | Step up and down from a curb | .86 | .87 | .11 | 1.42 (.11) | .81 | .80 | |||
UDS03 | Climb 4 or 5 steps, without handrails | .93 | .93 | .16 | - .31 (.09) | .97 | .77 | |||
UDS04 | Go down 4 or 5 steps, using handrails** | .80 | .75 | .54 | - | - | - | |||
UDS05 | Get on and off a bus | .88 | .89 | .03 | .22 (.09) | .74 | .69 | |||
UDS06 | Go down 4 or 5 steps, without handrails | .92 | .92 | .15 | - .47 (.09) | .98 | .87 | |||
UDS07 | Go up 1 flight of stairs, without handrails | .90 | .91 | .10 | - 1.54 (.08) | .91 | .88 | |||
UDS08 | Go down 1 flight of stairs, using handrails | .90 | .88 | .34 | 1.42 (.11) | .74 | .70 | |||
UDS09 | Climb stairs carrying little weight | .87 | .86 | .26 | .64 (.10) | .87 | .83 | |||
UDS10 | Go up 3 flights of stairs, using handrails | .88 | .88 | .22 | - .98 (.09) | .75 | .79 | |||
UDS11 | Go down 3 flights of stairs, using handrails | .89 | .88 | .26 | - .29 (.09) | .80 | .75 | |||
Body positions (BP) | ||||||||||
BP01 | Get into bed† | - | - | - | - | - | ||||
BP02 | Turn over in bed** | .62 | .60 | .32 | - | - | - | |||
BP03 | Sit down on a couch | .83 | .83 | .23 | 1.48 (.11) | 1.18 | .80 | |||
BP04 | Sitting, bend over to pick something up | .75 | .72 | .46 | 0.83 (.10) | 1.25 | 1.23 | |||
BP05 | Remain seated for 10 minutes without back rest** | .76 | .76 | .20 | - | - | - | |||
BP06 | Sit up in bed, being lied down** | .72 | .71 | .25 | - | - | - | |||
BP07 | Sit down and stand up from a chair† | - | - | - | - | - | ||||
BP08 | Stand up from a low, soft couch | .80 | .79 | .21 | - .87 (.09) | 1.01 | 1.16 | |||
BP09 | Pick up a chair† | - | - | - | - | - | ||||
BP10 | Reach overhead while standing* | .74 | .73 | .26 | - | - | - | |||
BP11 | Turn around while standing** | .70 | .69 | .23 | - | - | - | |||
BP12 | Remain standing for 10 minutes | .82 | .83 | .03 | - .15 (.09) | 1.14 | 1.06 | |||
BP13 | Standing, bend down to pick something up | .79 | .77 | .47 | .02 (.09) | 1.12 | 1.03 | |||
BP14 | Get up from the floor from lying on your back | .83 | .82 | .29 | −1.96 (.08) | .95 | 1.03 | |||
BP15 | Kneel down* | .79 | .79 | .19 | - | - | - | |||
BP16 | Get into and out of a car | .76 | .76 | .20 | .54 (.09) | 1.10 | 1.31 | |||
Carrying, lifting and pushing (CLP) | ||||||||||
CLP01 | Push or pull a large object | .80 | .79 | .42 | .26 (.09) | 1.20 | 1.20 | |||
CLP02 | Move or drag a bed | .81 | .79 | .48 | .12 (.09) | 1.21 | 1.33 | |||
CLP03 | Lift 4 or 5 kg from the floor* | .80 | .80 | .30 | - | - | - | |||
CLP04 | Turn over a mattress | .81 | .80 | .34 | .36 (.09) | 1.21 | 1.14 | |||
CLP05 | Change gas bottle* | .82 | .81 | .39 | - | - | - |