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Table 2 Time (min/day) spent in all super domains during day-shift, night-shift and non-work days [MARCA data, mean (standard deviation)]

From: A hard day’s night: time use in shift workers

Super Domain

Workplace 1

Workplace 2

Day shift

(n = 8)

Night Shift

(n = 9)

Non-work day

(n = 9)

Day shift

(n = 25)

Night Shift

(n = 22)

Non-work day

(n = 26)

Sleep

393.5 (56.32)

439.9 (72.27)

505.4 (53.00)

387.3 (61.40)

493.3 (92.86)☀☼

528.6 (91.33)

Quiet time

80.0 (133.15) #

42.5 (40.65) #

23.2 (27.97)

14.0 (32.71)#

15.8 (23.17)

28.6 (46.01)

Screen time

255.2 (205.31)

292.0 (111.54)#

181.6 (101.20)

225.2 (164.08)

186.7 (121.62)#☼

274.6 (147.71)

Self-care

97.1 (31.96) #

92.8 (21.62)#

119.9 (31.20)

154.0 (40.06)#

123.8 (28.88)#☀

128.6 (40.88)

Chores

69.9 (46.51)

130.4 (86.35)

189.7 (109.90)

107.3 (110.24)

140.8 (125.77)

260.0 (121.40)

Work / study

146.1 (107.44)

106.2 (59.01)

52.0 (73.67)

283.5 (184.42)

234.0 (151.96)#

25.8 (46.63)

Social

104.2 (78.40)

67.0 (68.8)

160.2 (105.54)#

75.6 (64.23)

88.3 (86.75)

58.1 (82.60)#

Cultural

0 (0)

0 (0)

0.3 (0.83)

0 (0)

0 (0)

0 (0)

Physical Activity

17.4 (17.91)

14.7 (26.57)

44.1 (65.40)

8.0 (14.82)

18.6 (33.08)

22.9 (36.51)

  1. #Difference between workplace 1 and workplace 2, p < 0.05 using independent t-tests
  2. Different from non-work days, p < 0.008; Different from day shift days, p < 0.05; Different from night shift days; using paired t-test; Workplace 1
  3. Different from non-work days, p < 0.05; Different from day shift days, p < 0.05; Different from night shift days; using paired t-test; Workplace 2