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Table 6 Forced two-factor EFA

From: Graded response model fit, measurement invariance and (comparative) precision of the Dutch-Flemish PROMIS® Upper Extremity V2.0 item bank in patients with upper extremity disorders

Item ID

Item stem

Rotated factor loadings

factor 1

factor 2

PFA14r1

Are you able to carry a heavy object (over 10 pounds/5 kg)?

0.275

0.724

PFA16r1

Are you able to dress yourself, including tying shoelaces and buttoning your clothes?

0.604

0.511

PFA17

Are you able to reach into a high cupboard?

0.208

0.791

PFA18

Are you able to use a hammer to pound a nail?

0.583

0.541

PFA20

Are you able to cut your food using eating utensils?

0.802

0.300

PFA28

Are you able to open a can with a hand can opener?

0.706

0.442

PFA29r1

Are you able to pull heavy objects (10 pounds/5 kg) towards yourself?

0.383

0.734

PFA34

Are you able to wash your back?

0.340

0.700

PFA35

Are you able to open and close a zipper?

0.704

0.331

PFA36

Are you able to put on and take off a coat or jacket?

0.444

0.574

PFA38

Are you able to dry your back with a towel?

0.486

0.615

PFA40

Are you able to turn a key in a lock?

0.683

0.330

PFA43r1

Are you able to write with a pen or pencil?

0.738

0.235

PFA44

Are you able to put on a shirt or blouse?

0.541

0.516

PFA48

Are you able to peel fruit?

0.828

0.250

PFA50

Are you able to brush your teeth?

0.646

0.304

PFA54

Are you able to button your shirt?

0.781

0.287

PFB11

Are you able to wash dishes, pots, and utensils by hand while standing at a sink?

0.747

0.356

PFB13

Are you able to carry a shopping bag or briefcase?

0.405

0.660

PFB15r1

Are you able to change the bulb in a table lamp?

0.696

0.409

PFB16r1

Are you able to press with your index finger (for example ringing a doorbell)?

0.582

0.271

PFB18

Are you able to shave your face or apply makeup?

0.709

0.380

PFB19r1

Are you able to squeeze a new tube of toothpaste?

0.788

0.271

PFB20r1

Are you able to cut a piece of paper with scissors?

0.823

0.243

PFB21r1

Are you able to pick up coins from a table top?

0.732

0.169

PFB22

Are you able to hold a plate full of food?

0.667

0.476

PFB23r1

Are you able to poor liquid from a bottle into a glass?

0.675

0.449

PFB25

Are you able to push open a door after turning the knob?

0.548

0.469

PFB26

Are you able to shampoo your hair?

0.617

0.514

PFB27

Are you able to tie a knot or a bow?

0.813

0.280

PFB28r1

Are you able to lift 10 pounds (5 kg) above your shoulder?

0.133

0.870

PFB30

Are you able to open a new milk carton?

0.777

0.383

PFB31r1

Are you able to open car doors?

0.639

0.475

PFB33

Are you able to remove something from your back pocket?

0.484

0.544

PFB34

Are you able to change a light bulb overhead?

0.361

0.744

PFB36

Are you able to put on a pullover sweater?

0.413

0.645

PFB37r1

Are you able to reach and get down a 5 pound (2 kg) object from above your head?

0.722

0.353

PFB39r1

Are you able to reach and get down a 5 pound (2 kg) object from above your head?

0.288

0.830

PFB41

Are you able to trim your fingernails?

0.754

0.245

PFB56r1

Are you able to lift one pound (0.5 kg) to shoulder level without bending your elbow?

0.274

0.740

PFC43

Are you able to use your hands, suchs as for turning faucets, using kitchen gadgets, or sewing?

0.769

0.278

PFC49

Are you able to water a house plant?

0.639

0.424

PFM2

Are you able to lift a heavy painting or picture to hang on your wall above eye-level?

0.369

0.749

PFM16

Are you able to pass a 20-pound (10 kg) turkey or ham to other people at the table?

0.305

0.756

PFM18

Are you able to continuously swing a baseball bat or tennis racket back and forth for 5 min?

0.236

0.765

PFC8

Does your health now limit you in opening a previously opened jar?

0.620

0.457