Table A2.
EFA Pain Quality - Rotated Factor Pattern from Exploratory Factor Analysis Pain Quality 37-item using ACPA data: ACPA Survey Only Base on 6-factor solution using Maximum Likelihood estimator
| ID | Item | Factor 1 | Factor 2 | Factor 3 | Factor 4 | Factor 5 | Factor 6 |
|---|---|---|---|---|---|---|---|
| PAINQU32 | How intense was your tingling pain? | 0.74 | 0.03 | −0.07 | −0.01 | 0.17 | −0.11 |
| PAINQU31 | How intense was your pricking pain? | 0.65 | −0.05 | 0.01 | 0.07 | 0.09 | 0.02 |
| PAINQU27 | How intense was your numb pain? | 0.58 | 0.08 | 0.00 | 0.04 | 0.02 | −0.08 |
| PAINQU9 | How often did you experience freezing pain? | 0.51 | −0.05 | 0.15 | 0.01 | −0.19 | 0.25 |
| PAINQU22 | How often did you experience burning pain? | 0.50 | −0.04 | 0.17 | −0.19 | 0.12 | −0.00 |
| PAINQU41 | How intense was your stinging pain? | 0.49 | 0.02 | 0.02 | −0.08 | 0.20 | 0.11 |
| PAINQU13 | How intense was your itchy pain? | 0.49 | −0.00 | −0.11 | 0.21 | 0.00 | −0.02 |
| PAINQU2 | How intense was your cool pain? | 0.47 | −0.05 | 0.03 | 0.05 | −0.20 | 0.31 |
| PAINQU35 | How intense was your hot pain? | 0.42 | −0.04 | 0.23 | 0.03 | 0.00 | 0.05 |
| PAINQU12 | How intense was your aching pain? | −0.05 | 0.64 | 0.11 | 0.07 | −0.07 | −0.03 |
| PAINQU33 | How intense was your sore pain? | −0.06 | 0.60 | 0.06 | 0.07 | −0.05 | 0.09 |
| PAINQU49 | How intense was your annoying pain? | 0.09 | 0.57 | 0.08 | −0.11 | 0.09 | 0.02 |
| PAINQU53 | How often did you experience nagging pain? | −0.05 | 0.53 | −0.05 | −0.06 | 0.11 | −0.01 |
| PAINQU19 | How intense was your tender pain? | 0.30 | 0.42 | −0.07 | −0.03 | −0.10 | 0.08 |
| PAINQU1 | How intense was your dull pain? | −0.03 | 0.38 | −0.05 | 0.10 | −0.11 | 0.18 |
| PAINQU50 | How intense was your radiating pain? | 0.18 | 0.32 | 0.00 | 0.11 | 0.12 | 0.01 |
| PAINQU47 | How often did you experience unbearable pain? | −0.01 | −0.04 | 0.86 | −0.05 | 0.09 | −0.01 |
| PAINQU45 | How often did you experience torturing pain? | 0.04 | −0.06 | 0.84 | −0.03 | 0.05 | 0.02 |
| PAINQU28 | How often did your pain feel intolerable? | 0.01 | 0.12 | 0.73 | −0.08 | 0.08 | −0.07 |
| PAINQU54 | How often did you experience vicious pain? | 0.08 | −0.01 | 0.72 | 0.10 | 0.05 | −0.08 |
| PAINQU38 | How often did you experience cruel pain? | 0.04 | 0.09 | 0.70 | 0.04 | −0.05 | −0.01 |
| PAINQU26 | How often did you experience sickening pain? | 0.05 | 0.02 | 0.48 | 0.39 | −0.12 | −0.01 |
| PAINQU23 | How intense was your heavy pain? | −0.10 | 0.04 | 0.44 | 0.12 | 0.00 | 0.19 |
| PAINQU46 | How intense was your pounding pain? | 0.02 | −0.00 | 0.06 | 0.76 | −0.01 | −0.02 |
| PAINQU39 | How intense was your throbbing pain? | 0.02 | 0.17 | 0.09 | 0.64 | 0.08 | −0.10 |
| PAINQU30 | How intense was your pulsing pain? | −0.01 | −0.01 | −0.07 | 0.55 | 0.20 | 0.15 |
| PAINQU52 | How intense was your splitting pain? | −0.01 | −0.13 | −0.02 | 0.45 | 0.19 | 0.23 |
| PAINQU3 | How intense was your cramping pain? | 0.15 | 0.07 | −0.02 | 0.28 | 0.01 | 0.15 |
| PAINQU36 | How intense was your sharp pain? | 0.11 | 0.05 | −0.00 | 0.04 | 0.70 | −0.05 |
| PAINQU10 | How intense was your stabbing pain? | 0.02 | −0.07 | 0.08 | 0.12 | 0.68 | 0.02 |
| PAINQU51 | How intense was your shooting pain? | 0.13 | 0.06 | 0.01 | 0.14 | 0.60 | −0.03 |
| PAINQU24 | How intense was your piercing pain? | −0.06 | −0.06 | 0.24 | −0.01 | 0.58 | 0.16 |
| PAINQU11 | How intense was your pulling pain? | −0.01 | 0.12 | −0.02 | −0.09 | 0.07 | 0.77 |
| PAINQU18 | How intense was your tugging pain? | 0.02 | 0.03 | −0.05 | 0.10 | 0.02 | 0.76 |
| PAINQU37 | How intense was your squeezing pain? | 0.22 | −0.04 | −0.02 | 0.16 | 0.00 | 0.37 |
| PAINQU42 | How often did you experience tearing (ripping) pain? | 0.17 | 0.05 | 0.18 | −0.02 | 0.15 | 0.33 |
| PAINQU48 | How intense was your pressing pain? | −0.10 | 0.19 | 0.10 | 0.15 | 0.07 | 0.33 |