Table 5 Variables’ descriptive statistics included in the final regression estimation

DV*

Frequency of purchase order (PO)

Socio-demographic

Female

Administrative and Professional (e.g. Library, Clerical, Administrative, Managerial)

Specialist, Technical and Professional (e.g. Technicians)

Operational Services (e.g. Ancillary, Cleaning and Catering, Porters, Farm Workers, Grounds Staff, Maintenance, Security)

Freight type

Raised PO for “Chemicals (hazardous or otherwise)’

Raised PO for “Bulk gases, oils, fuels, etc.”

Raised PO for” Furniture”

Purchasing behaviour statements

I make purchases using a University purchasing card

I (and maybe others) collect all our needs together and place an order once or twice a week)

I don’t order goods with any regular repeating pattern

Expected delivery by next day

Expected delivery by as soon as possible

Location based: King’s Gate (Main Central Administration office of the University)

Private Purchase

Do you order goods or services for HOME and have them delivered to a WORK address

Composite of standardised (private) purchasing behaviour related statements