Table 4 Variables of the models

Province

Province of residence of the student

Sociodemographic variables (fixed effect)

[NP] = Naples (Napoli, reference)

Avellino

Benevento

Caserta

Salerno

Gender

Gender (binary)

Individual socio-demographic (fixed effect)

[F] = Female (reference)

[M] = Male

Diploma

Kind of high school diploma achieved

Individual scholastic achievement (fixed effect)

Scientific lyceum (reference)

Other lyceum

Classical lyceum

Other diploma

Vocational diploma

Technical diploma

Grade

Scaled grade in diploma achievement

Individual scholastic achievement (fixed effect)

Range from: -1.7105 (corresponds to 60, minimum)

to + 1.7105 (corresponds to 100 cum laude, maximum)

Paritaria

Private schools

Individual scholastic achievement (fixed effect)

[0] = State school (reference)

[1] = Non-private school

Field of study

The macro-area of study in which the student enroll (disciplinary field)

Degree in which they enroll (fixed effect)

[SCIENTIFIC] = Scientific Area (reference)

[HEALTHCARE] = Healthcare Area

[SOCIAL] = Social Area

[HUMANITIES] = Humanities Area

School code

The unique code to denote each school

Individual scholastic achievement (random effect)

Unique national code for each school

OUTCOME

Migratory choose of student when they enroll

Degree in which they enroll (outcome/response)

[0] = Enroll in region Campania (reference)

[1] = Enroll in other regions

Municipality_Size

Demographic size of municipality of residence of student

Individual soc.-demo. (fixed effect, not significant)

[SMALL] = \(<15000\) inhabitants

[MEDIUM] = \(>15000\) inhabitants; \(<50000\) inhabitants

[BIG] = \(>50000\) inhabitants