Skip to main content

Table 1 Sleep, health, and job outcomes for groups of nuclear power plant operators that perceive good or poor adaptation to shift work [57]

From: Prioritizing sleep for healthy work schedules

 

Perceived adaptation

 
 

Good (n = 250)

Poor (n = 358)

P a

 

Mean

(SD)

Mean

(SD)

 

Fit to job content (%)

80.3

(13.0)

59.4

(19.6)

< 0.001

Eveningness (currently)

3.7

(1.0)

3.2

(1.1)

< 0.001

Social and family disruption

16.1

(6.4)

20.0

(5.6)

< 0.001

Chronic fatigue

89.5

(21.9)

103.7

(20.9)

< 0.001

Shift system advantages

5.4

(2.1)

5.0

(1.7)

0.023

Shift work locus of control

107.2

(15.2)

99.1

(16.1)

< 0.001

Psychological wellbeing (GHQ-12)

11.6

(3.5)

13.6

(4.2)

< 0.001

Daytime sleepiness (ESS)

6.7

(2.8)

7.1

(2.9)

0.033

Sleep disturbance

     

   Day shift 1

20.8

(6.2)

22.3

(6.0)

0.002

   Day shift 2

20.8

(5.9)

22.2

(5.7)

0.005

   Afternoon shift

17.6

(5.9)

19.3

(5.9)

0.007

   Night shift 1

     

between afternoon shift and night shift 1 (night)

17.8

(6.2)

19.5

(6.1)

0.004

Before night shift 1 (daytime)

22.8

(7.5)

27.7

(6.8)

< 0.001

   Night shift 2

     

between night shift 1 and night shift 2 (daytime)

22.7

(7.2)

26.3

(7.4)

< 0.001

after night shift 2 (daytime)

22.0

(6.3)

24.9

(6.7)

< 0.001

on the first day off (night)

16.7

(6.3)

18.8

(6.3)

0.001

Napping during night shifts (hours)

     

   Night shift 1

1.5

(0.9)

1.3

(0.9)

0.001

   Night shift 2

1.8

(1.5)

1.5

(1.3)

0.001

  1. aAdjusted for age. Fit to job content was assessed by the question 'How well do you fit the current job content?' on a 0 to 100% scale in 10% units. Higher scores for sleep disturbance indicate more disturbances. ESS: Epworth Sleepiness Scale; GHQ-12: 12-item General Health Questionnaire.
Back to article page

Journal of Physiological Anthropology

ISSN: 1880-6805

Contact us