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Table 3 Item-to-subscale correlations for the strain domain of the M-NCAS (28 items) at baseline

From: Psychometric performance of an assessment scale for strain in nursing care: The M-NCAS

Item   Affect Job Satisfaction Neediness Predictability Self Direction
Item 1: Seems to behave in a completely aimless way 0.727 0.447 0.409 0.348 0.488
Item 2: Is anxious 0.705 0.393 0.472 0.397 0.567
Item 3: Is unpredictable 0.694 0.441 0.479 0.452 0.306
Item 4: Does things for a reason 0.675 0.378 0.407 0.462 0.347
Item 6: Is calm 0.715 0.541 0.445 0.538 0.393
Item 7: Is apathetic/seems to have limited emotions 0.702 0.533 0.444 0.444 0.539
Item 9: Is rewarding to work with 0.572 0.777 0.475 0.536 0.422
Item 10: Is grateful for what is done for him/her 0.523 0.840 0.560 0.490 0.516
Item 15: Is ungrateful for the care he/she receives 0.520 0.828 0.601 0.521 0.513
Item 24: Friendly 0.406 0.728 0.477 0.500 0.515
Item 32: Gives no job satisfaction 0.549 0.807 0.536 0.580 0.615
Item 8: Is selfish 0.485 0.560 0.764 0.467 0.386
Item 11: Is paranoid 0.428 0.447 0.627 0.419 0.387
Item 13: Is attention seeking 0.483 0.432 0.809 0.389 0.471
Item 14: Is manipulative 0.442 0.482 0.784 0.389 0.381
Item 18: Has to concentrate exclusively on his/her own needs in order to survive 0.504 0.497 0.753 0.465 0.592
Item 20: Is deliberately difficult 0.414 0.510 0.672 0.537 0.450
Item 25: Needs someone close by all the time/is demanding 0.469 0.483 0.717 0.450 0.597
Item 21: Tries to maintain some independence 0.476 0.477 0.495 0.738 0.494
Item 22: Knows what he/she wants and stands up for his/herself 0.433 0.485 0.540 0.773 0.455
Item 28: Is stubborn/resistive 0.515 0.498 0.452 0.815 0.383
Item 29: Is aggressive/hostile 0.487 0.510 0.436 0.823 0.358
Item 31: Compliant/voluntarily co-operative 0.557 0.623 0.464 0.780 0.525
Item 16: Is frightened/vulnerable 0.476 0.423 0.413 0.383 0.710
Item 17: Is lonely 0.518 0.489 0.550 0.456 0.803
Item 23: Seems to experience the normal range of emotions 0.532 0.536 0.457 0.537 0.725
Item 26: Has an empty life 0.445 0.557 0.581 0.396 0.806
Item 30: Has a meaningful life 0.429 0.476 0.435 0.403 0.793