Educational level	Average	Compared with low educational level (km)	Difference from middle educational level (km)	Difference from high educational level (km)
Educational level	commuting distance (km)	Compared with low educational level (km)	Difference from middle educational level (km)	Difference from high educational level (km)
Low educational level	6.85	―	−6.07^***	−6.83^***
Middle educational level	12.93	6.07^***	―	−0.76
High educational level	13.69	6.83^***	0.76	―
Beijing’s average for local residents	19.3	―	―	―