Variable

One app (N = 141)

2 - 4 apps (N = 41)

Welch’s t-test

Mean

S.D.

Mean

S.D.

D.F.

t-test

Daily working duration, in hours

10.13

2.47

10.70

2.14

75.32

−1.46

Daily lunch break, in minutes

42.12

29.72

44.39

44.08

51.56

−0.31

Number of daily trips

14.13

6.24

15.62

6.81

61.90

−1.25

Number of daily passengers

20.54

11.34

21.52

8.49

87.73

−0.60

Monthly revenue, in USD

416.84

152.73

478.72

169.25

61.20

−2.10*

Monthly expenses, in USD

120.47

60.97

156.34

88.62

52.05

−2.43*