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Table 4 Item-subscale correlations of the FIM in Parents of Children with asthma and Parents of Children with Heart Disease

From: The Chinese version of the Pediatric Quality of Life Inventory™ (PedsQL™) Family Impact Module: cross-cultural adaptation and psychometric evaluation

Scale Physical Functioning Emotional Functioning Social Functioning Cognitive Functioning Communication Worry Daily Activities Family Relationships
Physical Functioning         
   ...feel tired during the day 0.811 0.436 0.595 0.363 0.293 0.417 0.371 0.259
  0.840 0.626 0.680 0.590 0.572 0.526 0.535 0.431
   ...feel tired when I wake up in the morning 0.856 0.511 0.594 0.536 0.382 0.470 0.424 0.420
  0.842 0.573 0.620 0.583 0.485 0.487 0.546 0.365
   ...feel too tired to do the things I like to do 0.817 0.578 0.639 0.506 0.427 0.429 0.389 0.424
  0.872 0.681 0.686 0.639 0.616 0.538 0.600 0.496
   ...get headaches 0.730 0.584 0.473 0.452 0.494 0.455 0.433 0.475
  0.825 0.643 0.650 0.601 0.542 0.460 0.473 0.419
   ...feel physically weak 0.834 0.570 0.579 0.546 0.478 0.480 0.421 0.438
  0.847 0.648 0.648 0.598 0.544 0.488 0.549 0.494
   ...feel sick to my stomach 0.610 0.506 0.433 0.456 0.513 0.295 0.388 0.465
  0.602 0.523 0.467 0.535 0.482 0.419 0.490 0.497
Emotional Functioning         
   ...feel anxious 0.626 0.828 0.528 0.573 0.474 0.509 0.484 0.476
  0.670 0.792 0.634 0.581 0.570 0.476 0.522 0.449
   ...feel sad 0.565 0.880 0.560 0.526 0.607 0.536 0.420 0.557
  0.624 0.869 0.582 0.554 0.603 0.540 0.528 0.464
   ...feel angry 0.466 0.819 0.523 0.517 0.529 0.455 0.393 0.490
  0.524 0.743 0.459 0.498 0.455 0.406 0.408 0.368
   ...feel frustrated 0.550 0.811 0.532 0.524 0.564 0.555 0.391 0.450
  0.646 0.886 0.648 0.671 0.658 0.585 0.573 0.475
   ...feel helpless or hopeless 0.528 0.823 0.574 0.554 0.610 0.587 0.448 0.554
  0.679 0.842 0.713 0.691 0.671 0.559 0.596 0.521
Social Functioning         
   ...feel isolated from others 0.533 0.598 0.636 0.548 0.684 0.515 0.447 0.528
  0.624 0.708 0.740 0.659 0.669 0.464 0.568 0.545
   ...trouble getting support from others 0.552 0.595 0.753 0.547 0.619 0.460 0.475 0.510
  0.635 0.574 0.788 0.586 0.542 0.376 0.520 0.431
   ...hard to find time for social activities 0.517 0.404 0.832 0.444 0.311 0.407 0.492 0.266
  0.627 0.548 0.880 0.612 0.525 0.449 0.594 0.380
   ...enough energy for social activities 0.605 0.537 0.826 0.466 0.526 0.535 0.469 0.421
  0.712 0.647 0.894 0.667 0.608 0.520 0.651 0.508
Cognitive Functioning         
   ...hard to keep my attention on things 0.625 0.575 0.610 0.753 0.472 0.513 0.443 0.407
  0.703 0.637 0.728 0.851 0.599 0.529 0.613 0.499
   ...hard to remember what people tell me 0.390 0.489 0.431 0.819 0.352 0.280 0.254 0.202
  0.609 0.616 0.607 0.884 0.563 0.459 0.542 0.548
   ...hard to remember what I just heard 0.391 0.445 0.421 0.817 0.409 0.288 0.312 0.274
  0.627 0.620 0.654 0.897 0.601 0.447 0.589 0.471
   ...hard to think quickly 0.542 0.529 0.520 0.829 0.385 0.388 0.372 0.365
  0.619 0.648 0.656 0.875 0.653 0.511 0.623 0.557
   ...trouble remembering what I was just thinking 0.511 0.564 0.492 0.815 0.471 0.416 0.326 0.376
  0.604 0.598 0.601 0.850 0.594 0.456 0.586 0.501
Communication         
   ...others do not understand my family's situation 0.462 0.566 0.529 0.504 0.890 0.485 0.455 0.566
  0.615 0.639 0.665 0.691 0.863 0.564 0.589 0.604
   ...hard to talk about my child's health with others 0.442 0.534 0.495 0.413 0.828 0.530 0.457 0.574
  0.553 0.604 0.559 0.531 0.867 0.528 0.494 0.488
   ...hard to tell doctors and nurses how I feel 0.371 0.497 0.484 0.480 0.725 0.507 0.337 0.535
  0.572 0.597 0.565 0.598 0.848 0.534 0.550 0.590
Worry         
   ...my child's medical treatments are working 0.484 0.464 0.493 0.392 0.421 0.817 0.406 0.345
  0.524 0.529 0.452 0.497 0.500 0.842 0.437 0.305
   ...side effects of my child's medical treatments 0.349 0.415 0.391 0.282 0.321 0.782 0.376 0.318
  0.506 0.491 0.429 0.463 0.469 0.863 0.501 0.335
   ...how others will react to my child's condition 0.346 0.512 0.393 0.312 0.568 0.652 0.471 0.507
  0.462 0.495 0.427 0.424 0.574 0.790 0.506 0.352
   ...my child's illness affects other family members 0.419 0.489 0.462 0.423 0.581 0.601 0.434 0.479
  0.524 0.509 0.503 0.527 0.545 0.717 0.593 0.437
   ...my child's future 0.383 0.436 0.425 0.375 0.461 0.785 0.443 0.379
  0.431 0.486 0.408 0.394 0.464 0.787 0.516 0.318
Daily Activities         
   ...Family activities taking more time and effort 0.309 0.295 0.375 0.222 0.336 0.401 0.727 0.313
  0.539 0.533 0.596 0.573 0.545 0.642 0.864 0.437
   ...Difficulty finding time to finish household tasks 0.390 0.418 0.426 0.303 0.425 0.450 0.777 0.356
  0.584 0.568 0.644 0.605 0.566 0.517 0.914 0.508
   ...Feeling too tired to finish household tasks 0.502 0.521 0.586 0.472 0.451 0.509 0.782 0.428
  0.629 0.600 0.648 0.640 0.561 0.505 0.901 0.529
Family Relationships         
   ...Lack of communication between family members 0.480 0.560 0.471 0.381 0.612 0.502 0.468 0.867
  0.506 0.509 0.487 0.539 0.545 0.373 0.533 0.872
   ...Conflicts between family members 0.409 0.553 0.402 0.347 0.604 0.413 0.351 0.885
  0.432 0.422 0.451 0.477 0.504 0.374 0.443 0.881
   ...Difficulty making decisions together as a family 0.483 0.518 0.453 0.361 0.605 0.472 0.421 0.837
  0.484 0.507 0.517 0.565 0.592 0.413 0.526 0.892
   ...Difficulty solving family problems together 0.512 0.577 0.479 0.443 0.622 0.499 0.440 0.828
  0.489 0.489 0.475 0.547 0.592 0.377 0.528 0.893
   ...Stress or tension between family members 0.437 0.442 0.466 0.329 0.530 0.453 0.395 0.816
  0.464 0.491 0.463 0.490 0.589 0.402 0.444 0.867
  1. Values denote Spearman's rank correlation coefficients (p < 0.01)
  2. Bold = Spearman's rank correlation coefficients between items and their hypothesized subscales
  3. In each cell, the asthma sample coefficients are shown above and the heart disease sample coefficients are shown below in italics