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Table 4 Confirmatory factor analysis of the Norwegian NHSOPSC ten-factor model with corresponding factor loadings and reliability (Cronbach’s alpha) (n = 347)

From: Psychometric properties of the Nursing Home Survey on Patient Safety Culture in Norwegian nursing homes

Factors (Cronbach’s alpha) Items Factor loading
F1 Teamwork (α = 0.79)
 A1 0.883
 A2 0.885
 A5 0.859
 A9 0.538
F2 Staffing (α = 0.55)
 A3 0.556
 A8 (R) 0.402
 A16 0.653
 A17 (R) 0.573
F3 Compliance with procedures (α = 0.58)
 A4 0.781
 A6 (R) 0.447
 A14 (R) 0.648
F4 Training and skills (α = 0.67)
 A7 0.737
 A11 0.662
 A13 0.715
F5 Nonpunitive response to mistakes (α = 0.65)
 A10 (R) 0.433
 A12 (R) 0.558
 A15 0.767
 A.18 0.834
F6 Handoffs (α = 0.74)
 B1 0.758
 B2 0.709
 B10 0.826
F7 Feedback and communication about incidents (α = 0.74)
 B4 0.752
 B5 0.675
 B6 0.689
 B8 0.800
F8 Communication openness (α = 0.74)
 B7 0.778
 B9 (R) 0.673
 B11 0.812
F9 Supervisor expectations and actions promoting patient safety (α = 0.84)
 C1 0.891
 C2 0.865
 C3 0.857
F10 Management and organizational learning (new factor) (α = 0.90)
 D1 0.733
 D2 0.764
 D3 (R) 0.705
 D4 0.759
 D5 0.816
 D6 0.869
 D7 0.818
 D8 0.820
 D9 0.589
 D10 0.733
  1. The new factor management and organizational learning includes “overall perception of safety,” “management support for patient safety,” and “organizational learning.”
  2. Item-response categories: Items A1–A18, items C1–C3, and items D1–D10: 1 = strongly disagree; 2 = disagree; 3 = neither agree nor disagree; 4 = agree; 5 = strongly agree; item B1–B11: 1 = never; 2 = rarely; 3 = sometimes; 4 = most of the time; and 5 = always
  3. R reverse coded items