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Table 2 Results of repeated measures ANOVAs for assessing time-on-task effect on ANS parameters

From: Impact of brain arousal and time-on-task on autonomic nervous system activity in the wake-sleep transition

 

Heart rate

Skin conductance level

Time block (min)

Effect (η 2p )

Time block (min)

Effect (η 2p )

1–30

31–60

61–90

91–120

1–30

31–60

61–90

91–120

Ignored condition a

A1

65.63 (7.38)

64.04 (7.60)

63.97 (7.59)

64.52 (7.78)

F3,63 = 5.370** (0.204)

3.75 (4.40)

3.81 (4.82)

4.02 (4.73)

4.37 (5.97)

F1.183,24.852 = 0.472 (0.022)

A2

62.30 (6.96)

60.74 (7.73)

60.90 (7.31)

61.91 (8.20)

F3,42 = 1.574 (0.101)

3.78 (4.80)

3.57 (5.39)

3.84 (5.12)

4.65 (7.13)

F1.124,15.742 = 0.493 (0.034)

B1

61.79 (6.85)

60.26 (6.96)

60.18 (7.76)

60.97 (8.01)

F3,105 = 3.381* (0.088)

2.77 (3.26)

2.68 (3.21)

2.94 (3.53)

3.55 (5.22)

F1.153,40.351 = 2.263 (0.061)

B2/3

61.42 (6.61)

59.87 (6.52)

59.52 (6.75)

60.89 (8.36)

F1.981,45.573 = 2.314 (0.091)

2.31 (3.27)

2.33 (3.56)

2.59 (3.60)

2.78 (3.68)

F1.725,39.682 = 2.764 (0.107)

Attended condition b

A1

65.76 (9.49)

65.65 (9.55)

65.37 (9.18)

65.21 (9.10)

F2.395,74.258 = 0.493 (0.016)

2.66 (1.72)

2.54 (2.35)

2.76 (3.15)

2.66 (2.29)

F1.366,42.343 = 0.208 (0.007)

B1

63.45 (9.50)

62.16 (9.01)

61.65 (9.37)

61.81 (8.78)

F2.023,66.757 = 5.509** (0.143)

2.51 (1.48)

2.41 (1.95)

2.70 (3.04)

2.81 (2.68)

F1.280,42.247 = 0.746 (0.022)

B2/3

60.00 (8.08)

58.71 (7.31)

58.27 (7.67)

59.21 (8.45)

F3,54 = 3.059* (0.145)

2.03 (1.20)

1.86 (1.06)

1.78 (0.92)

1.85 (0.96)

F1.378,24.810 = 1.323 (0.068)

  1. Standard deviations are presented in parentheses
  2. *p < .05; **p < .01; ***p < .001
  3. aThe sample sizes in examination of time-on-task effect in the ignored condition during certain stage were different: n = 22 in stage A1, n = 15 in stage A2, n = 36 in stage B1, n = 24 in stage B2/3
  4. bThe sample sizes in examination time-on-task effect in the attended condition during certain stage were different: n = 32 in stage A1, n = 34 in stage B1, n = 19 in stage B2/3