Figure 6

Linear regression between average travel time and(a) pavement ratio: y = -0.5483x + 72.324 (p = 0.0178), x = 26; (b) number of tertiary care centres: y = -3.4802x + 69.466 (p = 0.0000), x = 3; (c) number of fire stations: y = -0.1711x + 72.042 (p = 0.0001), x = 83; (d) percentage of emergency team with EMT for all emergency teams: y = -0.6629x + 103.579 (p = 0.0001), x = 69; (e) number of ambulances: y = -0.1484x + 73.859 (p = 0.0004), x = 108; (f) number of emergency teams: y = -0.1825x + 74.321 (p = 0.0006), x = 90; (g) number of EMT: y = -0.0483x + 70.484 (p = 0.0000), x = 262; (h) kilometres of general road per square kilometre: y = -5.4808x + 79.819 (p = 0.0000), x = 4.02; (i) number of emergency crew: y = -0.0148x + 74.148 (p = 0.0019), x = 1102; (j) kilometres of highway road per square kilometre: y = -891.5370x + 79.895 (p = 0.0000), x = 0.024; (k) number of emergency teams with EMT: y = -0.2283x + 72.969 (p = 0.0000), x = 66; (l) population: y = -0.005x + 69.155 (p = 0.0000), x = 2279.