Items | Total sample N = 681 | Response Category Frequencies | |||||||
---|---|---|---|---|---|---|---|---|---|
Mean | SD | rit c | α-i | 1 | 2 | 3 | 4 | 5 | |
Pain interference total scale | 29.24 | 14.28 | |||||||
1. I felt angry when I had pain … | 1.58 | 0.98 | 0.70 | 0.97 | 458 | 102 | 85 | 20 | 16 |
2. I had trouble doing schoolwork when I had pain … | 1.68 | 1.08 | 0.82 | 0.97 | 443 | 94 | 90 | 30 | 24 |
3. I had trouble sleeping when I had pain… | 1.65 | 1.06 | 0.80 | 0.97 | 448 | 100 | 81 | 30 | 22 |
4. It was hard for me to pay attention when I had pain … | 1.69 | 1.08 | 0.84 | 0.97 | 435 | 97 | 94 | 34 | 21 |
5. It was hard for me to run when I had pain … | 1.79 | 1.18 | 0.76 | 0.97 | 416 | 99 | 93 | 37 | 36 |
6. It was hard for me to walk one block when I had pain … | 1.39 | 0.82 | 0.80 | 0.97 | 523 | 80 | 56 | 13 | 9 |
7. It was hard to have fun when I had pain… | 1.57 | 1.01 | 0.82 | 0.97 | 477 | 83 | 75 | 29 | 17 |
8. It was hard to stay standing when I had pain … | 1.46 | 0.93 | 0.84 | 0.97 | 513 | 74 | 57 | 24 | 13 |
9. I hurt a lot … | 1.59 | 0.97 | 0.82 | 0.97 | 452 | 111 | 80 | 23 | 15 |
10. I hurt all over my body… | 1.42 | 0.84 | 0.74 | 0.97 | 509 | 93 | 55 | 15 | 9 |
11. I missed school when I had pain … | 1.31 | 0.69 | 0.77 | 0.97 | 542 | 82 | 46 | 7 | 4 |
12. It was hard for me to remember things when I had pain … | 1.32 | 0.76 | 0.79 | 0.97 | 547 | 78 | 39 | 7 | 10 |
13. It was hard to get along with other people when I had pain … | 1.32 | 0.73 | 0.80 | 0.97 | 542 | 78 | 45 | 11 | 5 |
14. It was hard for me to be away from home because I had pain … | 1.33 | 0.75 | 0.83 | 0.97 | 546 | 70 | 48 | 11 | 6 |
15. It was hard to have fun with friends because I was in pain… | 1.37 | 0.80 | 0.84 | 0.97 | 531 | 77 | 50 | 16 | 7 |
16. I needed help walking when I was in pain … | 1.21 | 0.61 | 0.71 | 0.97 | 592 | 51 | 28 | 6 | 4 |
17. I walked carefully when I was in pain… | 1.49 | 0.95 | 0.75 | 0.97 | 496 | 88 | 60 | 21 | 16 |
18. I had so much pain I had to stop what I was doing… | 1.39 | 0.82 | 0.81 | 0.97 | 528 | 71 | 58 | 19 | 5 |
19. My pain was so bad that I needed to take medicine to treat it… | 1.41 | 0.89 | 0.67 | 0.97 | 529 | 69 | 50 | 20 | 13 |
20. It was hard to do things with my family because I had pain … | 1.27 | 0.71 | 0.78 | 0.97 | 571 | 59 | 34 | 10 | 7 |
Fatigue total scale | 52.63 | 22.77 | |||||||
1. Being tired made it hard for me to keep up with my schoolwork… | 2.36 | 1.27 | 0.78 | 0.97 | 235 | 152 | 159 | 84 | 51 |
2. Being tired made it hard for me to play or go out with my friends as much as I'd like… | 1.86 | 1.11 | 0.73 | 0.97 | 364 | 134 | 117 | 44 | 22 |
3. I felt weak… | 2.04 | 1.16 | 0.74 | 0.97 | 306 | 154 | 135 | 60 | 26 |
4. I got tired easily… | 2.74 | 1.32 | 0.74 | 0.97 | 163 | 139 | 167 | 135 | 77 |
5. I had trouble finishing things because I was too tired… | 2.39 | 1.27 | 0.79 | 0.97 | 233 | 139 | 169 | 93 | 47 |
6. I had trouble starting things because I was too tired… | 2.52 | 1.32 | 0.79 | 0.97 | 219 | 125 | 163 | 115 | 59 |
7. I was so tired it was hard for me to pay attention… | 2.31 | 1.22 | 0.81 | 0.97 | 246 | 133 | 177 | 93 | 32 |
8. I was too tired to do sports or exercise… | 2.11 | 1.28 | 0.72 | 0.97 | 304 | 154 | 119 | 49 | 55 |
9. I was too tired to do things outside… | 1.84 | 1.08 | 0.79 | 0.97 | 365 | 142 | 104 | 58 | 12 |
10. I was too tired to enjoy the things I like to do… | 1.89 | 1.10 | 0.80 | 0.97 | 353 | 132 | 133 | 45 | 18 |
11. I felt tired even when I had not done anything… | 2.29 | 1.30 | 0.81 | 0.97 | 274 | 118 | 150 | 93 | 46 |
12. It was hard for me to get out of bed in the morning because I was too tired … | 2.81 | 1.44 | 0.68 | 0.97 | 184 | 114 | 143 | 25 | 115 |
13. I felt too tired to spend time with my friends… | 1.85 | 1.06 | 0.77 | 0.97 | 347 | 160 | 118 | 39 | 17 |
14. I felt more tired than usual when I woke up in the morning… | 2.31 | 1.30 | 0.74 | 0.97 | 260 | 135 | 159 | 71 | 56 |
15. I felt tired… | 3.02 | 1.36 | 0.73 | 0.97 | 138 | 95 | 176 | 156 | 116 |
16. I needed to sleep during the day… | 2.15 | 1.31 | 0.64 | 0.97 | 315 | 121 | 132 | 55 | 58 |
17. I was too tired to watch television… | 1.63 | 0.97 | 0.68 | 0.97 | 433 | 118 | 93 | 26 | 11 |
18. I was too tired to eat… | 1.50 | 0.91 | 0.66 | 0.97 | 488 | 86 | 77 | 20 | 10 |
19. I was too tired to take a bath or shower… | 1.70 | 1.05 | 0.71 | 0.97 | 424 | 111 | 90 | 41 | 15 |
20. I was so tired it was hard for me to focus on my work… | 2.31 | 1.25 | 0.83 | 0.97 | 252 | 134 | 174 | 77 | 44 |
21. Being tired kept me from having fun… | 1.72 | 1.02 | 0.80 | 0.97 | 401 | 134 | 97 | 36 | 13 |
22. I was too tired to go up and down a lot of stairs… | 1.59 | 1.03 | 0.68 | 0.97 | 464 | 106 | 60 | 28 | 23 |
23. I was too tired to go out with my family… | 1.58 | 0.97 | 0.71 | 0.97 | 451 | 124 | 65 | 25 | 16 |
24. I was too tired to read… | 2.15 | 1.28 | 0.74 | 0.97 | 310 | 121 | 134 | 72 | 44 |
25. Being tired made it hard for me to remember things… | 1.97 | 1.17 | 0.80 | 0.97 | 339 | 133 | 123 | 61 | 25 |
Physical activity total scale | 29.73 | 9.07 | |||||||
1. How many days did you exercise so much that you breathed hard? | 2.93 | 1.15 | 0.84 | 0.92 | 102 | 107 | 267 | 145 | 60 |
2. How many days did you play sports for 10 min or more? | 3.32 | 1.18 | 0.77 | 0.93 | 67 | 75 | 237 | 179 | 123 |
3. How many days were you so physically active that you sweated? | 3.10 | 1.12 | 0.84 | 0.93 | 74 | 102 | 259 | 173 | 73 |
4. How many days did you exercise or play so hard that your body got tired? | 2.87 | 1.13 | 0.85 | 0.92 | 105 | 112 | 278 | 135 | 51 |
5. How many days did you exercise or play so hard that your muscles burned? | 2.49 | 1.09 | 0.76 | 0.93 | 153 | 184 | 224 | 96 | 24 |
6. How many days did you exercise or play so hard that you felt tired? | 2.75 | 1.14 | 0.78 | 0.93 | 123 | 135 | 258 | 121 | 44 |
7. On a usual day. how physically active were you? | 3.31 | 1.03 | 0.63 | 0.93 | 23 | 145 | 188 | 249 | 76 |
8. How many days did you exercise really hard for 10 min or more? | 2.73 | 1.18 | 0.81 | 0.93 | 133 | 138 | 238 | 122 | 50 |
9. How many days were you physically active for 10 min or more? | 3.72 | 1.16 | 0.52 | 0.94 | 38 | 56 | 187 | 178 | 222 |
10. How many days did you run for 10 min or more? | 2.50 | 1.21 | 0.66 | 0.93 | 189 | 141 | 209 | 103 | 39 |