Table 2

Results of initial and revised confirmatory factor analysis models for speaking up climates

Calibration sample n=353Validation sample n=484
MetricsInitial modelRevised modelRevised model
Speaking up climate for safety
 Number of items655
 Omitted items11
 χ216.615.6315.29
 p Value of χ20.010.230.004
 Degrees of freedom644
 χ2/df ratio2.771.413.82
 RMSEA0.070.030.08
 SRMR0.040.020.02
 CFI0.981.000.98
 NFI0.970.990.98
Speaking up climate for professionalism
 No. of items744
 Omitted items1, 2, 41, 2, 4
 χ277.701.600.52
 p Value of χ2<0.0010.2060.47
 Degrees of freedom1111
 χ2/df ratio7.061.600.52
 RMSEA0.130.040.00
 SRMR0.070.010.01
 CFI0.891.001.00
 NFI0.871.001.00
  • CFI, comparative fit index; NFI, normed fit index; RMSEA, root mean square error approximation; SRMR, standardised root mean square residual.