. 2015 Feb 28;15:18. doi: 10.1186/s12877-015-0015-2

Table 4.

Comparison of DWELL and GAZE DURATION in addition to effects of age, light and interaction of age x light during the overtaking task

		DWELL [%] (SD)					DURATION [s] (SD)
		Young	Old	Age	Light	Age x Light	Young	Old	Age	Light	Age x Light
Street	Day	32.7 (7.1)	33.9 (7.1)	F(1,43) = 0.6 p = 0.447 η² = 0.000	F(1,43) = 2.9 p = 0.098 η² = 0.062	F(1,43) = 4.3 p = 0.044 η² = 0.091	1.0 (0.3)	1.1 (0.3)	F(1,43) = 0.9 p = 0.360 η² = 0.019	F(1,43) = 3.3 p = 0.077 η² = 0.071	F(1,43) = 2.0 p = 0.169 η² = 0.044
Street	Night	33.3 (10.3)	28.6 (10.8)	F(1,43) = 0.6 p = 0.447 η² = 0.000	F(1,43) = 2.9 p = 0.098 η² = 0.062	F(1,43) = 4.3 p = 0.044 η² = 0.091	1.2 (0.3)	1.2 (0.4)	F(1,43) = 0.9 p = 0.360 η² = 0.019	F(1,43) = 3.3 p = 0.077 η² = 0.071	F(1,43) = 2.0 p = 0.169 η² = 0.044
Road signs	Day	0.4 (0.7)	0.2 (0.4)	F(1,43) = 0.2 p = 0.632 η² = 0.005	F(1,43) = 0.0 p = 0.908 η² = 0.000	F(1,43) = 4.0 p = 0.052 η² = 0.085	0.3 (0.4)	0.2 (0.4)	F(1,40) = 0.0 p = 0.938 η² = 0.000	F(1,40) = 1.0 p = 0.321 η² = 0.025	F(1,40) = 2.1 p = 0.160 η² = 0.049
Road signs	Night	0.2 (0.5)	0.4 (0.8)	F(1,43) = 0.2 p = 0.632 η² = 0.005	F(1,43) = 0.0 p = 0.908 η² = 0.000	F(1,43) = 4.0 p = 0.052 η² = 0.085	0.2 (0.5)	0.4 (0.7)	F(1,40) = 0.0 p = 0.938 η² = 0.000	F(1,40) = 1.0 p = 0.321 η² = 0.025	F(1,40) = 2.1 p = 0.160 η² = 0.049
Car ahead	Day	20.1 (5.7)	23.2 (5.0)	F(1,43) = 7.1 p = 0.011 η² = 0.000	F(1,43) = 60.3 p < 0.001 η² = 0.584	F(1,43) = 1.0 p = 0.332 η² = 0.022	0.9 (0.3)	1.1 (0.2)	F(1,43) = 8.8 p = 0.005 η² = 0.170	F(1,43) = 45.7 p < 0.001 η² = 0.515	F(1,43) = 4.4 p = 0.042 η² = 0.093
Car ahead	Night	28.8 (6.2)	34.5 (10.3)	F(1,43) = 7.1 p = 0.011 η² = 0.000	F(1,43) = 60.3 p < 0.001 η² = 0.584	F(1,43) = 1.0 p = 0.332 η² = 0.022	1.3 (0.4)	1.7 (0.7)	F(1,43) = 8.8 p = 0.005 η² = 0.170	F(1,43) = 45.7 p < 0.001 η² = 0.515	F(1,43) = 4.4 p = 0.042 η² = 0.093
Incoming car	Day	17.0 (4.6)	16.3 (5.6)	F(1,43) = 2.5 p = 0.124 η² = 0.054	F(1,43) = 0.2 p = 0.651 η² = 0.005	F(1,43) = 4.9 p = 0.032 η² = 0.102	2.0 (1.0)	2.6 (1.3)	F(1,42) = 4.2 p = 0.048 η² = 0.190	F(1,42) = 0.2 p = 0.670 η² = 0.004	F(1,42) = 0.0 p = 0.951 η² = 0.000
Incoming car	Night	14.7 (5.1)	19.7 (9.2)	F(1,43) = 2.5 p = 0.124 η² = 0.054	F(1,43) = 0.2 p = 0.651 η² = 0.005	F(1,43) = 4.9 p = 0.032 η² = 0.102	2.1 (0.8)	2.7 (1.5)	F(1,42) = 4.2 p = 0.048 η² = 0.190	F(1,42) = 0.2 p = 0.670 η² = 0.004	F(1,42) = 0.0 p = 0.951 η² = 0.000
Environment	Day	3.2 (2.2)	2.2 (2.2)	F(1,43) = 2.1 p = 0.153 η² = 0.047	F(1,43) = 9.1 p = 0.004 η² = 0.174	F(1,43) = 0.8 p = 0.371 η² = 0.019	0.7 (0.3)	0.5 (0.3)	F(1,41) = 0.9 p = 0.337 η² = 0.022	F(1,41) = 0.6 p = 0.459 η² = 0.013	F(1,41) = 1.7 p = 0.195 η² = 0.041
Environment	Night	1.7 (2.0)	1.4 (1.2)	F(1,43) = 2.1 p = 0.153 η² = 0.047	F(1,43) = 9.1 p = 0.004 η² = 0.174	F(1,43) = 0.8 p = 0.371 η² = 0.019	0.5 (0.4)	0.5 (0.3)	F(1,41) = 0.9 p = 0.337 η² = 0.022	F(1,41) = 0.6 p = 0.459 η² = 0.013	F(1,41) = 1.7 p = 0.195 η² = 0.041
Rear -view mirror	Day	6.3 (3.6)	5.4 (3.2)	F(1,43) = 3.6 p = 0.061 η² = 0.079	F(1,43) = 130.1 p < 0.001 η² = 0.752	F(1,43) = 3.7 p = 0.061 η² = 0.079	0.6 (0.3)	0.7 (0.2)	F(1,43) = 0.0 p = 0.972 η² = 0.000	F(1,43) = 4.1 p = 0.050 η² = 0.086	F(1,43) = 4.9 p = 0.033 η² = 0.101
Rear -view mirror	Night	4.6 (3.2)	2.3 (2.0)	F(1,43) = 3.6 p = 0.061 η² = 0.079	F(1,43) = 130.1 p < 0.001 η² = 0.752	F(1,43) = 3.7 p = 0.061 η² = 0.079	0.6 (0.2)	0.6 (0.3)	F(1,43) = 0.0 p = 0.972 η² = 0.000	F(1,43) = 4.1 p = 0.050 η² = 0.086	F(1,43) = 4.9 p = 0.033 η² = 0.101
Side mirror left	Day	2.5 (1.7)	2.6 (1.6)	F(1,43) = 0.8 p = 0.371 η² = 0.019	F(1,43) = 9.9 p = 0.003 η² = 0.187	F(1,43) = 5.3 p = 0.026 η² = 0.003	0.7 (0.3)	0.7 (0.3)	F(1,43) = 0.8 p = 0.372 η² = 0.019	F(1,43) = 3.8 p = 0.057 η² = 0.082	F(1,43) = 0.0 p = 0.973 η² = 0.067
Side mirror left	Night	2.4 (1.5)	1.5 (1.4)	F(1,43) = 0.8 p = 0.371 η² = 0.019	F(1,43) = 9.9 p = 0.003 η² = 0.187	F(1,43) = 5.3 p = 0.026 η² = 0.003	0.6 (0.3)	0.6 (0.3)	F(1,43) = 0.8 p = 0.372 η² = 0.019	F(1,43) = 3.8 p = 0.057 η² = 0.082	F(1,43) = 0.0 p = 0.973 η² = 0.067
Side mirror right	Day	0.5 (1.1)	0.5 (0.8)	F(1,43) = 0.4 p = 0.536 η² = 0.006	F(1,43) = 1.9 p = 0.171 η² = 0.043	F(1,43) = 0.8 p = 0.376 η² = 0.018	0.2 (0.4)	0.3 (0.4)	F(1,43) = 0.0 p = 0.987 η² = 0.000	F(1,43) = 1.35 p = 0.251 η² = 0.030	F(1,43) = 0.4 p = 0.530 η² = 0.009
Side mirror right	Night	0.4 (0.8)	0.2 (0.5)	F(1,43) = 0.4 p = 0.536 η² = 0.006	F(1,43) = 1.9 p = 0.171 η² = 0.043	F(1,43) = 0.8 p = 0.376 η² = 0.018	0.2 (0.3)	0.2 (0.4)	F(1,43) = 0.0 p = 0.987 η² = 0.000	F(1,43) = 1.35 p = 0.251 η² = 0.030	F(1,43) = 0.4 p = 0.530 η² = 0.009

DWELL = cumulated fixation duration/total driving task duration; GAZE DURATION = average fixation time; η² refers to partial η².