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Table 4 Means, standard deviations, and reliability of the PRO-SAFE questionnaire

From: Psychometric properties of the Persian version of Proactive-Safety Role Orientation questionnaire (PRO-SAFE)

Dimensions

Items

Mean (SD)

Corrected item-total correlation

Cronbach’s alpha if item deleted

Cronbach’s alpha

Item

Scale

Role breadth self-efficacy

A1

3.49 (1.01)

14.10 (3.38)

0.641

0.836

0.854

A2

3.56 (1.01)

0.691

0.815

A3

3.54 (1.04)

0.761

0.785

A4

3.51 (0.99)

0.688

0.817

Control perception

A5

3.53 (1)

14.30 (3.14)

0.552

0.722

0.768

A6

3.56 (0.94)

0.649

0.674

A7

3.73 (0.94)

0.570

0.714

A8

3.48 (1.17)

0.528

0.745

Psychological ownership

A9

3.74 (0.94)

14.65 (10.11)

0.643

0.751

0.808

A10

3.57 (1.06)

0.582

0.781

A11

3.74 (1.01)

0.608

0.767

A12

3.60 (0.96)

0.669

0.738

Felt responsibility

A13

3.78 (0.97)

14.75 (3.34)

0.758

0.839

0.880

A14

3.80 (0.93)

0.751

0.849

A15

3.63 (0.98)

0.757

0.839

A16

3.54 (1.01)

0.696

0.864

Anticipation orientation

A17

3.61 (1.04)

14.57 (3.27)

0.529

0.765

0.786

A19

3.55 (0.98)

0.710

0.710

A19

3.65 (1.01)

0.690

0.690

A20

3.77 (1.14)

0.767

0.767

Improvement orientation

A21

3.52 (1.02)

14.29 (3.26)

0.567

0.617

0.717

A22

3.50 (1.10)

0.519

0.647

A23

3.68 (1.01)

0.457

0.683

A24

3.59 (1.21)

0.483

0.672