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Table 3 Statistics, corrected item-total correlation, floor and ceiling effects, and factorial loading for RAEH items (N = 200)

From: Psychometric validation of an empowerment scale for Spanish-speaking patients with rheumatoid arthritis

Item

Median (25th–75th IQ) score

Corrected item-total correlation

Floor effect (% scoring 1)

Ceiling effect (% scoring 5)

α if item delete

Factorial loading

1

4 (4–5)

0.544

0.5

26.5

0.854

0.594

2

4 (4–5)

0.566

1

41.5

0.851

0.612

3

4 (4–5)

0.636

0.5

40

0.844

0.674

4

5 (4–5)

0.671

0.5

52.5

0.840

0.719

5

4 (3–5)

0.508

1.5

27

0.860

0.566

6

4 (4–5)

0.670

0.5

38.5

0.839

0.729

7

4 (4–5)

0.666

2

40

0.839

0.735

8

4 (4–5)

0.673

0.5

42.5

0.839

0.735

  1. Item1 = I can use positive ways to cope with rheumatoid arthritis-related stress
  2. Item 2 = I can find support to care for my rheumatoid arthritis
  3. Item 3 = I recognize what helps me stay motivated to care for my rheumatoid arthritis
  4. Item 4 = I know enough about myself to make rheumatoid arthritis care choices that are the most convenient to me
  5. Item 5 = I know what parts of taking care of my rheumatoid arthritis that I am dissatisfied with
  6. Item 6 = I am able to achieve my rheumatoid arthritis goals through concrete actions
  7. Item 7 = I can try out different ways of overcoming barriers to achieve my rheumatoid arthritis goals
  8. Item 8 = I can find ways to feel good having rheumatoid arthritis
  9. IQ interquartile, RAEH Rheumatoid Arthritis Empowerment Scale for Hispanic patients