A multi-modal relative spatial access assessment approach to measure spatial accessibility to primary care providers

Table 1 Distance impedance coefficients

Distance impedance coefficient \(\varvec{\beta}\)	Sub-zone 1 (0–10 min); weight at 5 min.	Sub-zone 2 (10–20 min); weight at 15 min	Sub-zone 3 (20–30 min); weight at 25 min	Sub-zone 4 (30–60 min; bus only); weight at 45 min
Car
140	0.836	0.200	0.012
155	0.851	0.234	0.018
170	0.863	0.266	0.025
185	0.874	0.296	0.034
200	0.882	0.325	0.044
215	0.890	0.351	0.055
230	0.897	0.376	0.066
245	0.903	0.399	0.078
260	0.908	0.421	0.090
275	0.913	0.441	0.103
290	0.917	0.460	0.116
305	0.921	0.478	0.129
320	0.925	0.495	0.142
Bus
440	0.945	0.600	0.242	0.010
490	0.950	0.632	0.279	0.016
540	0.955	0.659	0.314	0.024
590	0.959	0.683	0.347	0.032
640	0.962	0.704	0.377	0.042
690	0.964	0.722	0.404	0.053
740	0.967	0.738	0.430	0.065
790	0.969	0.752	0.453	0.077
840	0.971	0.765	0.475	0.090
890	0.972	0.777	0.495	0.103
940	0.974	0.787	0.514	0.116
990	0.975	0.797	0.532	0.129
1040	0.976	0.805	0.548	0.143

ISSN: 1476-072X