Skip to main content

Table 3 Descriptive statistics of explanatory variables

From: Determinants of urban public transport efficiency: case study of the Czech Republic

Variable Unit Description Min Max Mean St. dev.
Price CZK Price of average single ticket 2.3 9.7 4.3 1.6
Drivers_share % Proportion of drivers in total employees 0.4 0.7 0.5 0.08
Avr_old years Average age of rolling stock 3.1 14.4 8.3 2.2
Is_tram binary Presence of tramway in the system 0 1 0.4 0.5
Subs_rev % Proportion of subsidies in revenues 0.9 2.8 1.5 0.5
Popul_density thousands of inhabitants/km2 Population density 0.26 2.56 1.12 0.57
Net_density km/km2 Line length divided by area 1.2 24.7 4.6 4.9
Doublecity Binary Two-city system 0 1 0.21 0.41
VKM_tot millions Total VKM 0.47 115 14.0 25.0
Bottleneck Binary Presence of public transport bottleneck 0 1 0.05 0.22
Subs_cost % Proportion of subsidies in costs 0.32 0.68 0.52 0.09
Inv_rate % Proportion of investment in costs 0 0.95 0.18 0.21
Avr_inv CZK thousands Average company investment 0.02 2958.5 55.9 653
Vehicle_lines vehicles Number of vehicles per km of line 0.15 1.32 0.45 0.27
Party_right Binary City hall leadership is a right-wing party 0 1 0.38 0.49