Table 2. Evaluation of item fit for PROMIS items in the odd booklets at time.
| Item code | Item stem | LM | P | ES | Score group | |||||
| 1 | 2 | 3 | ||||||||
| Obs | Exp | Obs | Exp | Obs | Exp | |||||
| PFC53 | Are you able to get in and out of bed? | 0.53 | 0.77 | 0.02 | 3.91 | 3.86 | 4.54 | 4.50 | 4.86 | 4.95 |
| PFB48 | Does your health now limit you in taking a shower? | 0.35 | 0.84 | 0.01 | 3.97 | 4.03 | 4.71 | 4.72 | 4.95 | 4.96 |
| PFA15 | Are you able to stand up from an armless straight chair? | 1.13 | 0.57 | 0.01 | 3.88 | 3.77 | 4.76 | 4.72 | 5.00 | 4.99 |
| PFC6 | Are you able to walk a block (about 100 m) on flat ground? * | 3.12 | 0.21 | 0.01 | 4.23 | 4.25 | 4.97 | 4.92 | 5.00 | 4.99 |
| PFB26 | Are you able to shampoo your hair? | 0.14 | 0.93 | <0.01 | 3.97 | 3.98 | 4.85 | 4.83 | 5.00 | 4.99 |
| PFA45 | Are you able to get out of bed into a chair? | 1.26 | 0.53 | 0.01 | 4.40 | 4.32 | 4.80 | 4.85 | 5.00 | 4.99 |
| PFA51 | Are you able to sit on the edge of a bed? | 0.01 | 0.99 | <0.01 | 4.65 | 4.64 | 4.94 | 4.94 | 5.00 | 5.00 |
| PFA30 | Are you able to step up and down curbs? | 1.46 | 0.48 | 0.01 | 4.13 | 4.24 | 4.84 | 4.89 | 5.00 | 4.99 |
| PFC47 | Are you able to be out of bed most of the day? | 1.13 | 0.57 | 0.01 | 4.57 | 4.56 | 4.81 | 4.91 | 5.00 | 4.98 |
| PFB18 | Are you able to shave your face or apply makeup? | 0.27 | 0.87 | 0.01 | 4.23 | 4.24 | 4.85 | 4.89 | 5.00 | 4.99 |
| PFC46 | Are you able to transfer from a bed to a chair and back? | 2.85 | 0.24 | 0.02 | 4.28 | 4.14 | 4.84 | 4.90 | 5.00 | 4.99 |
| PFA40 | Are you able to turn a key in a lock? | 2.34 | 0.31 | 0.02 | 3.83 | 3.98 | 4.71 | 4.64 | 4.97 | 4.97 |
| PFB16 | Are you able to press with your index finger (for example ringing a doorbell)? | 2.41 | 0.30 | 0.01 | 4.40 | 4.40 | 4.92 | 4.84 | 5.00 | 4.99 |
| PFC39 | Are you able to stand without losing your balance for several minutes? | 7.77 | 0.02 | 0.03 | 3.97 | 4.19 | 4.89 | 4.74 | 4.95 | 4.96 |
| PFC51 | Are you able to wipe yourself after using the toilet? | 0.16 | 0.92 | 0.01 | 4.20 | 4.18 | 4.80 | 4.77 | 5.00 | 4.98 |
| PFA54 | Are you able to button your shirt? | 0.27 | 0.88 | 0.01 | 3.86 | 3.79 | 4.59 | 4.60 | 4.89 | 4.91 |
| PFB31 | Are you able to open car doors? | 2.00 | 0.37 | 0.02 | 4.19 | 4.03 | 4.65 | 4.67 | 4.98 | 4.97 |
| PFB29 | Are you able to lift a full cup or glass to your mouth? | 1.93 | 0.38 | 0.01 | 4.28 | 4.35 | 4.93 | 4.87 | 5.00 | 4.99 |
| PFA50 | Are you able to brush your teeth? | 1.79 | 0.41 | 0.01 | 4.32 | 4.36 | 4.93 | 4.88 | 5.00 | 4.99 |
| PFC45 | Are you able to sit on and get up from the toilet? † | 2.88 | 0.24 | 0.01 | 3.98 | 4.02 | 4.90 | 4.83 | 5.00 | 4.99 |
| PFB27 | Are you able to tie a knot or a bow? | 7.91 | 0.02 | 0.05 | 3.26 | 3.62 | 4.66 | 4.49 | 4.89 | 4.94 |
| PFB20 | Are you able to cut a piece of paper with scissors? | 3.24 | 0.20 | 0.02 | 3.91 | 4.05 | 4.77 | 4.69 | 5.00 | 4.97 |
| PFA44 | Are you able to put on a shirt or blouse? | 5.81 | 0.05 | 0.03 | 3.83 | 3.96 | 4.80 | 4.66 | 4.94 | 4.97 |
| PFA35 | Are you able to open and close a zipper? | 3.76 | 0.15 | 0.02 | 3.88 | 3.99 | 4.89 | 4.80 | 5.00 | 4.99 |
| PFB22 | Are you able to hold a plate full of food? | 1.34 | 0.51 | 0.01 | 4.03 | 4.03 | 4.66 | 4.79 | 4.97 | 4.97 |
| PFA16 | Are you able to dress yourself, including tying shoelaces and buttoning your clothes? | 1.88 | 0.39 | 0.01 | 3.60 | 3.65 | 4.76 | 4.66 | 4.95 | 4.96 |
| PFA38 | Are you able to stand for short periods of time? | 0.23 | 0.89 | 0.01 | 3.77 | 3.73 | 4.50 | 4.50 | 4.95 | 4.96 |
| PFA48 | Are you able to peel fruit? | 1.96 | 0.38 | 0.02 | 3.69 | 3.75 | 4.65 | 4.53 | 4.93 | 4.92 |
| PFB15 | Are you able to change the bulb in a table lamp? | 0.12 | 0.94 | 0.01 | 4.00 | 3.97 | 4.78 | 4.80 | 4.98 | 4.98 |
| PFC49 | Are you able to water a house plant? † | 2.75 | 0.25 | 0.02 | 4.26 | 4.42 | 4.95 | 4.93 | 5.00 | 5.00 |
| PFB33 | Are you able to remove something from your back pocket? | 2.95 | 0.23 | 0.03 | 3.83 | 4.05 | 4.83 | 4.78 | 4.97 | 4.98 |
| PFB21 | Are you able to pick up coins from a table top? | 0.68 | 0.71 | 0.02 | 3.97 | 3.89 | 4.63 | 4.57 | 4.89 | 4.92 |
| PFB10 | Are you able to climb up five steps? | 0.12 | 0.94 | 0.01 | 3.76 | 3.81 | 4.66 | 4.64 | 5.00 | 4.97 |
| PFB19 | Are you able to squeeze a new tube of toothpaste? | 0.49 | 0.78 | 0.01 | 4.18 | 4.10 | 4.84 | 4.85 | 5.00 | 4.98 |
| PFB36 | Are you able to put on a pullover sweater? | 0.73 | 0.70 | 0.01 | 4.17 | 4.09 | 4.76 | 4.80 | 4.95 | 4.96 |
| PFC29 | Are you able to walk up and down two steps? | 0.97 | 0.61 | 0.02 | 3.89 | 3.77 | 4.59 | 4.71 | 4.92 | 4.91 |
| PFA56 | Are you able to get in and out of a car? | 0.24 | 0.89 | 0.01 | 3.89 | 3.89 | 4.55 | 4.51 | 4.95 | 4.95 |
| PFA36 | Are you able to put on and take off a coat or jacket? † | 1.51 | 0.47 | 0.02 | 3.74 | 3.83 | 4.58 | 4.50 | 4.98 | 4.95 |
| PFA32 | Are you able to stand with your knees straight? | 2.44 | 0.30 | 0.02 | 4.20 | 4.10 | 4.90 | 4.84 | 5.00 | 4.99 |
| PFA43 | Are you able to write with a pen or pencil? | 0.32 | 0.85 | 0.01 | 3.89 | 3.85 | 4.71 | 4.67 | 4.97 | 4.97 |
| PFB49 | Does your health now limit you in going for a short walk (less than 15 minutes)? | 0.03 | 0.98 | 0.01 | 3.34 | 3.32 | 4.24 | 4.26 | 4.86 | 4.88 |
| PFA22 | Are you able to open previously opened jars? | 1.09 | 0.58 | 0.01 | 3.78 | 3.68 | 4.49 | 4.50 | 4.88 | 4.88 |
| PFB25 | Are you able to push open a door after turning the knob? | 1.65 | 0.44 | 0.02 | 4.42 | 4.32 | 4.82 | 4.87 | 5.00 | 4.98 |
| PFB41 | Are you able to trim your fingernails? | 3.30 | 0.19 | 0.03 | 4.03 | 3.81 | 4.67 | 4.72 | 4.92 | 4.96 |
| PFB23 | Are you able to pour liquid from a bottle into a glass? | 1.40 | 0.50 | 0.01 | 4.43 | 4.40 | 4.84 | 4.91 | 5.00 | 4.99 |
| PFA52 | Are you able to tie your shoelaces? | 4.11 | 0.13 | 0.02 | 3.48 | 3.58 | 4.64 | 4.49 | 4.98 | 4.95 |
| PFA49 | Are you able to bend or twist your back? * | 0.29 | 0.86 | 0.01 | 3.77 | 3.84 | 4.52 | 4.55 | 4.91 | 4.93 |
| PFB3 | Does your health now limit you in putting a trash bag outside? † | 2.27 | 0.32 | 0.03 | 3.19 | 3.08 | 3.82 | 3.97 | 4.82 | 4.88 |
| PFA9 | Are you able to bend down and pick up clothing from the floor? | 1.13 | 0.57 | 0.02 | 3.85 | 3.72 | 4.55 | 4.54 | 4.90 | 4.94 |
| PFA37 | Are you able to stand for short periods of time? | 2.04 | 0.36 | 0.02 | 4.00 | 3.88 | 4.74 | 4.66 | 5.00 | 4.95 |
| PFA17 | Are you able to reach into a high cupboard? | 1.98 | 0.37 | 0.02 | 3.31 | 3.24 | 4.34 | 4.22 | 4.89 | 4.88 |
| PFB43 | Does your health now limit you in taking care of your personal needs (dress, comb hair, toilet, eat, bathe)? | 0.09 | 0.95 | 0.01 | 3.63 | 3.59 | 4.42 | 4.42 | 4.92 | 4.95 |
| PFC31 | Are you able to reach into a low cupboard? | 0.64 | 0.73 | 0.01 | 3.43 | 3.44 | 4.50 | 4.39 | 4.92 | 4.91 |
| PFB11 | Are you able to wash dishes, pots, and utensils by hand while standing at a sink? | 0.13 | 0.94 | 0.01 | 3.88 | 3.88 | 4.71 | 4.67 | 4.97 | 4.97 |
| PFA18 | Are you able to use a hammer to pound a nail? | 0.10 | 0.95 | 0.01 | 3.45 | 3.43 | 4.58 | 4.60 | 4.92 | 4.94 |
| PFB37 | Are you able to turn faucets on and off? | 0.67 | 0.72 | 0.01 | 3.80 | 3.78 | 4.78 | 4.73 | 4.92 | 4.96 |
| PFB56 | Are you able to lift one pound (0.5 kg) to shoulder level without bending your elbow? | 0.47 | 0.79 | 0.01 | 3.47 | 3.47 | 4.68 | 4.62 | 4.92 | 4.93 |
| PFC43 | Are you able to use your hands, such as for turning faucets, using kitchen gadgets, or sewing? † | 0.80 | 0.67 | 0.02 | 3.44 | 3.54 | 4.21 | 4.26 | 4.83 | 4.88 |
| PFC52 | Are you able to turn from side to side in bed? | 2.25 | 0.32 | 0.02 | 3.45 | 3.59 | 4.63 | 4.55 | 4.90 | 4.95 |
| PFB32 | Are you able to stand unsupported for 10 minutes? | 1.17 | 0.56 | 0.03 | 3.34 | 3.50 | 4.50 | 4.38 | 4.95 | 4.87 |
| PFA53 | Are you able to run errands and shop? | 0.96 | 0.62 | 0.02 | 3.39 | 3.28 | 4.37 | 4.32 | 4.92 | 4.95 |
| PFB17 | Are you able to put on and take off your socks? | 0.96 | 0.62 | 0.01 | 3.87 | 3.76 | 4.71 | 4.70 | 4.97 | 4.96 |
| PFA28 | Are you able to open a can with a hand can opener? | 2.45 | 0.29 | 0.02 | 3.19 | 3.09 | 4.15 | 4.30 | 4.85 | 4.84 |
| PFA21 | Are you able to go up and down stairs at a normal pace? * | 0.55 | 0.76 | 0.02 | 3.17 | 3.22 | 4.21 | 4.14 | 4.83 | 4.88 |
| PFB13 | Are you able to carry a shopping bag or briefcase? † | 0.06 | 0.97 | <0.01 | 3.30 | 3.31 | 4.12 | 4.14 | 4.91 | 4.90 |
| PFA34 | Are you able to wash your back? | 2.38 | 0.30 | 0.02 | 3.15 | 3.13 | 4.37 | 4.22 | 4.80 | 4.85 |
| PFC41 | Are you able to sit down in and stand up from a low, soft couch? | 3.48 | 0.18 | 0.03 | 2.89 | 3.11 | 4.06 | 3.93 | 4.73 | 4.70 |
| PFC38 | Are you able to walk at a normal speed? | 0.09 | 0.95 | 0.01 | 3.23 | 3.17 | 4.31 | 4.31 | 4.91 | 4.91 |
| PFB40 | Are you able to stand up on tiptoes? | 0.14 | 0.93 | 0.01 | 3.24 | 3.20 | 4.50 | 4.47 | 4.89 | 4.85 |
| PFA25 | Are you able to do yard work like raking leaves, weeding, or pushing a lawn mower? * | 0.68 | 0.71 | 0.02 | 2.79 | 2.69 | 3.58 | 3.55 | 4.68 | 4.65 |
| PFA29 | Are you able to pull heavy objects (10 pounds/ 5 kg) towards yourself? † | 0.46 | 0.79 | 0.01 | 2.74 | 2.74 | 3.74 | 3.68 | 4.77 | 4.70 |
| PFA47 | Are you able to pull on trousers? † | 0.96 | 0.62 | 0.01 | 3.95 | 3.88 | 4.78 | 4.81 | 5.00 | 5.00 |
| PFC56 | Does your health now limit you in walking about the house? | 2.21 | 0.33 | 0.02 | 3.54 | 3.78 | 4.56 | 4.54 | 4.95 | 4.96 |
| PFA12 | Are you able to push open a heavy door? † | 0.59 | 0.75 | 0.01 | 2.97 | 2.89 | 4.03 | 4.06 | 4.79 | 4.79 |
| PFA8 | Are you able to move a chair from one room to another? | 1.83 | 0.40 | 0.02 | 2.84 | 3.03 | 4.37 | 4.35 | 4.95 | 4.90 |
| PFB54 | Does your health now limit you in going OUTSIDE the home, for example to shop or visit a doctor's office? | 0.16 | 0.92 | 0.01 | 3.73 | 3.76 | 4.79 | 4.77 | 5.00 | 4.97 |
| PFC32 | Are you able to climb up 5 flights of stairs? * | 0.39 | 0.82 | 0.02 | 3.08 | 3.15 | 4.20 | 4.27 | 4.80 | 4.84 |
| PFA42 | Are you able to carry a laundry basket up a flight of stairs? * | 4.66 | 0.10 | 0.04 | 2.74 | 2.71 | 3.70 | 3.99 | 4.91 | 4.81 |
| PFB39 | Are you able to reach and get down a 5 pound (2 kg) object from above your head? | 2.72 | 0.26 | 0.04 | 2.34 | 2.59 | 3.57 | 3.62 | 4.51 | 4.65 |
| PFA23 | Are you able to go for a walk of at least 15 minutes? | 0.52 | 0.77 | 0.02 | 3.41 | 3.28 | 4.37 | 4.36 | 4.92 | 4.90 |
| PFA11 | Are you able to do chores such as vacuuming or yard work? | 0.57 | 0.75 | 0.02 | 2.94 | 2.88 | 3.71 | 3.79 | 4.83 | 4.70 |
| PFB34 | Are you able to change a light bulb overhead? | 0.29 | 0.86 | 0.01 | 2.89 | 2.88 | 4.18 | 4.25 | 4.85 | 4.84 |
| PFA6 | Does your health now limit you in bathing or dressing yourself? | 0.32 | 0.85 | 0.01 | 3.43 | 3.48 | 4.34 | 4.33 | 4.93 | 4.95 |
| PFA55 | Are you able to wash and dry your body? † | 2.31 | 0.31 | 0.01 | 3.62 | 3.62 | 4.56 | 4.70 | 5.00 | 4.99 |
| PFB14 | Are you able to take a tub bath? | 2.53 | 0.28 | 0.04 | 3.25 | 2.96 | 4.38 | 4.48 | 4.97 | 4.87 |
| PFB12 | Are you able to make a bed, including spreading and tucking in bed sheets? | 2.42 | 0.30 | 0.03 | 2.69 | 2.84 | 4.03 | 4.17 | 4.92 | 4.82 |
| PFA14 | Are you able to carry a heavy object (over 10 pounds/5 kg)? | 0.27 | 0.88 | 0.01 | 2.72 | 2.65 | 3.63 | 3.62 | 4.64 | 4.59 |
| PFA31 | Are you able to get up from the floor from lying on your back without help? | 1.52 | 0.47 | 0.03 | 2.88 | 2.70 | 3.61 | 3.66 | 4.78 | 4.70 |
| PFC40 | Are you able to kneel on the floor? | 1.60 | 0.45 | 0.03 | 2.54 | 2.50 | 3.37 | 3.62 | 4.60 | 4.56 |
| PFB42 | Are you able to stand unsupported for 30 minutes? | 0.65 | 0.72 | 0.02 | 2.69 | 2.59 | 3.91 | 3.79 | 4.71 | 4.70 |
| PFC37 | Does your health now limit you in climbing one flight of stairs? * | 0.49 | 0.78 | 0.01 | 3.18 | 3.25 | 4.35 | 4.40 | 4.90 | 4.93 |
| PFB28 | Are you able to lift 10 pounds (5 kg) above your shoulder? | 6.43 | 0.04 | 0.05 | 2.68 | 2.26 | 3.59 | 3.69 | 4.69 | 4.65 |
| PFC54 | Does your health now limit you in getting in and out of the bathtub? | 7.25 | 0.03 | 0.05 | 3.05 | 2.66 | 3.65 | 3.70 | 4.91 | 4.81 |
| PFB8 | Are you able to carry two bags filled with groceries 100 yards (100 m)? | 3.58 | 0.17 | 0.04 | 2.15 | 2.05 | 3.43 | 3.08 | 4.44 | 4.41 |
| PFA41 | Are you able to squat and get up? | 0.93 | 0.63 | 0.02 | 2.79 | 2.66 | 3.65 | 3.61 | 4.67 | 4.62 |
| PFA10 | Are you able to stand for one hour? | 2.83 | 0.24 | 0.04 | 2.43 | 2.36 | 3.74 | 3.49 | 4.69 | 4.49 |
| PFB9 | Are you able to jump up and down? | 0.58 | 0.75 | 0.02 | 2.62 | 2.51 | 4.16 | 4.10 | 4.85 | 4.80 |
| PFA5 | Does your health now limit you in lifting or carrying groceries? | 1.22 | 0.54 | 0.02 | 2.45 | 2.55 | 3.43 | 3.32 | 4.51 | 4.53 |
| PFA13 | Are you able to exercise for an hour? | 4.52 | 0.10 | 0.04 | 2.33 | 2.40 | 3.58 | 3.25 | 4.44 | 4.35 |
| PFB24 | Are you able to run a short distance, such as to catch a bus? | 0.83 | 0.66 | 0.02 | 2.39 | 2.34 | 3.63 | 3.76 | 4.67 | 4.65 |
| PFC10 | Does your health now limit you in climbing several flights of stairs? * | 3.02 | 0.22 | 0.04 | 3.22 | 2.96 | 4.14 | 4.19 | 4.95 | 4.84 |
| PFC36 | Does your health now limit you in walking more than a mile (1.6 km)? | 0.76 | 0.68 | 0.02 | 2.77 | 2.77 | 4.27 | 4.14 | 4.73 | 4.81 |
| PFB1 | Does your health now limit you in doing moderate work around the house like vacuuming, sweeping floors or carrying in groceries? | 2.15 | 0.34 | 0.03 | 2.35 | 2.42 | 3.43 | 3.25 | 4.50 | 4.57 |
| PFB50 | How much difficulty do you have doing your daily physical activities, because of your health? | 0.51 | 0.78 | 0.01 | 2.74 | 2.76 | 3.59 | 3.52 | 4.56 | 4.59 |
| PFB44 | Does your health now limit you in doing moderate activities, such as moving a table, pushing a vacuum cleaner, bowling, or playing golf? | 0.75 | 0.69 | 0.02 | 2.32 | 2.34 | 3.20 | 3.08 | 4.47 | 4.43 |
| PFA33 | Are you able to exercise hard for half an hour? | 2.85 | 0.24 | 0.04 | 2.06 | 2.24 | 3.36 | 3.56 | 4.51 | 4.54 |
| PFA3 | Does your health now limit you in bending, kneeling, or stooping? | 0.03 | 0.99 | 0.01 | 2.54 | 2.52 | 3.53 | 3.52 | 4.51 | 4.53 |
| PFC13 | Are you able to run 100 yards (100 m)? | 4.63 | 0.10 | 0.04 | 1.89 | 1.89 | 3.08 | 3.52 | 4.50 | 4.55 |
| PFB5 | Does your health now limit you in hiking a couple of miles (3 km) on uneven surfaces, including hills? * | 0.73 | 0.69 | 0.02 | 1.89 | 1.99 | 3.32 | 3.37 | 4.59 | 4.62 |
| PFC12 | Does your health now limit you in doing two hours of physical labor? | 3.49 | 0.18 | 0.04 | 2.68 | 2.61 | 3.02 | 3.22 | 4.23 | 4.43 |
| PFC35 | Does your health now limit you in doing eight hours of physical labor? | 4.17 | 0.12 | 0.04 | 1.33 | 1.52 | 2.50 | 2.62 | 4.03 | 4.15 |
| PFA4 | Does your health now limit you in doing heavy work around the house like scrubbing floors, or lifting or moving heavy furniture? * | 0.11 | 0.95 | 0.01 | 1.59 | 1.58 | 2.47 | 2.51 | 4.23 | 4.13 |
| PFB51 | Does your health now limit you in participating in active sports such as swimming, tennis, or basketball? | 3.41 | 0.18 | 0.05 | 2.23 | 2.01 | 2.45 | 2.64 | 4.02 | 3.85 |
| PFA1 | Does your health now limit you in doing vigorous activities, such as running, lifting heavy objects, participating in strenuous sports? * | 1.48 | 0.48 | 0.04 | 1.56 | 1.44 | 1.95 | 2.05 | 3.69 | 3.47 |
| PFB7 | Does your health now limit you in doing strenuous activities such as backpacking, skiing, playing tennis, bicycling or jogging? | 2.27 | 0.32 | 0.05 | 1.46 | 1.60 | 2.00 | 1.96 | 3.65 | 3.30 |
| PFA19 | Are you able to run or jog for two miles (3 km)? | 2.12 | 0.35 | 0.02 | 1.29 | 1.26 | 1.25 | 1.40 | 2.59 | 2.57 |
| PFA39 | Are you able to run at a fast pace for two miles (3 km)? | 3.27 | 0.19 | 0.03 | 1.25 | 1.35 | 1.45 | 1.60 | 2.51 | 2.60 |
| PFC7 | Are you able to run five miles (8 km) | 2.16 | 0.34 | 0.03 | 1.16 | 1.14 | 1.23 | 1.38 | 2.67 | 2.49 |
| PFC33 | Are you able to run ten miles (16 km)? | 99.00 | 1.00 | 0.02 | 1.09 | 1.07 | 1.00 | 1.06 | 1.59 | 1.46 |
| PFB30 | Are you able to open a new milk carton? † | 1.07 | 0.58 | 0.02 | 2.85 | 3.01 | 3.97 | 3.93 | 4.71 | 4.75 |
LM = Lagrange multiplier statistic; ES = Effect size statistic; Obs = Average observed item score; Exp = Average expected item score; Items flagged for cross-cultural DIF are presented in bold. *Activity is relatively more difficult to perform for the US general population sample; †Activity is relatively more easy to perform for US general population sample.