Variables	N	Mean	S.D.	Min	Max	Comparison test
Variables	N	Mean	S.D.	Min	Max	D.F.	t-test
Daily working duration, in hours
After (overall)	182	10.26	2.41	2.5	17	250	0.88
After	70	10.80	2.29	2.5	16		2.68**
Before	70	9.96	2.30	5	16
Daily lunch break, in minutes
After (overall)	182	42.63	33.37	0	240	250	−3.52**
After	70	46.97	38.24	5	180		−3.02**
Before	70	63.64	60.08	5	330
Number of daily trips
After (overall)	182	14.47	6.38	3	40	251	5.82**
After	71	14.65	6.83	3	40		6.50**
Before	71	8.99	7.56	2	55
Number of daily passengers
After (overall)	182	20.76	10.75	4	100	252	4.79**
After	72	21.88	14.01	5.5	100		5.34**
Before	72	13.45	11.55	5	90
Monthly revenues, in USD
After (overall)	182	430.78	158.25	75	1000	251	6.31**
After	71	416.65	152.69	80	750		6.72**
Before	71	286.34	176.57	15	1000
Monthly expenses, in USD
After (overall)	182	128.55	69.55	10	450	252	5.06**
After	72	117.86	74.74	10	450		4.35**
Before	72	80.14	66.65	15	480