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Table 18 Declaring lack of pre-requisites as a barrier to professional development, results of the logistic regression model, regressors R1–R10, Italy, 2013

From: The professional development of VET teachers in Italy: participation, needs and barriers. Statistical quantifications and benchmarking in an international perspective

Factor B df b.se b.wald b.sig b.exp
Constant − 1.94 1 0.24 64.214 0.000 0.143
Teachers group—teachers of general subjects in schools with no VET programmes (Group A) − 0.14 1 0.22 0.384 0.536 0.871
Teachers group—teachers of general subjects in schools with VET programmes (Group D) − 0.37 1 0.18 4.153 0.042 0.688
Gender—male − 0.34 1 0.14 5.954 0.015 0.712
Age—50+ 0.31 1 0.12 7.171 0.007 1.363
Education—ISCED5B or below 0.31 1 0.13 6.149 0.013 1.365
Permanency of the job—fixed term contract 0.39 1 0.17 5.135 0.023 1.481
Intensity of work—part time 0.41 1 0.13 10.781 0.001 1.512
Prevalence of students with a first language different from that of instruction in the school—10% or less 0.30 1 0.19 2.605 0.107 1.349
Prevalence of students with special needs in the school—10% or less 0.23 1 0.17 1.790 0.181 1.253
Prevalence of students from disadvantaged homes in the school—30% or less − 0.16 1 0.26 0.366 0.545 0.856
Lack of resources for PD of teachers in the school limiting principal effectiveness—not at all/very little − 0.16 1 0.17 0.877 0.349 0.853
  1. NB: Data refer to upper secondary teachers. Logit model for: Declaring lack of pre-requisites as a barrier to professional development as a binary outcome variable. NB: B (beta regression coefficient for the logit); b.se (standard error for B). NB: Model performance: LL (− 2 Log likelihood coefficient) = 192,314.06 (s.e. 9882.43); CSR (Cox and Snell R2 coefficient) = 0.02 (s.e. 0.01); NKR (Nagelkerke R2 coefficient) = 0.04 (s.e. 0.01)