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Table 2 Associations between temporal work patterns and sleep durationa, and sleep disturbanceb

From: Work hours, weekend working, nonstandard work schedules and sleep quantity and quality: findings from the UK household longitudinal study

Panel A

 

Sleep duration (ref: 7–8 h/night)

 

Model 1

Model 2

Model 3

 < 7 h/night

 ≥ 9 h/night

 < 7 h/night

 ≥ 9 h/night

 < 7 h/night

 ≥ 9 h/night

Temporal work patterns

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

Weekly work hours (ref: 35–40 h/wk)c

1.00

 

1.00

 

1.00

 

1.00

 

1.00

 

1.00

 

  < 35 h/wk (part-time)

0.91

0.84, 0.97

1.40

1.16, 1.69

0.94

0.87, 1.01

1.41

1.16, 1.70

0.94

0.86, 1.03

1.29

1.00, 1.67

 41–54 h/wk (long hours)

1.20

1.12, 1.29

0.97

0.78, 1.21

1.17

1.10, 1.26

0.97

0.78, 1.21

1.11

1.01, 1.22

0.86

0.64, 1.15

  ≥ 55 h/wk (extra-long hours)

1.65

1.48, 1.84

1.03

0.72, 1.48

1.56

1.39, 1.74

1.02

0.71, 1.47

1.39

1.20, 1.61

0.79

0.50, 1.25

Weekend working (ref: no weekends)d

1.00

 

1.00

 

1.00

 

1.00

 

1.00

 

1.00

 

 Some weekends

1.19

1.10, 1.28

1.05

0.83, 1.33

1.18

1.09, 1.27

1.04

0.82, 1.31

1.09

1.00, 1.18

1.02

0.80, 1.31

 Most/all weekends

1.36

1.24, 1.49

1.52

1.21, 1.92

1.30

1.18, 1.43

1.50

1.18, 1.89

1.13

1.02, 1.25

1.45

1.11, 1.89

Schedules (ref: standard schedules)d

1.00

 

1.00

 

1.00

 

1.00

 

1.00

 

1.00

 

 Nonstandard

1.31

1.22, 1.42

1.28

1.04, 1.57

1.28

1.19, 1.39

1.26

1.02, 1.54

1.19

1.10, 1.30

1.13

0.90, 1.42

Panel B

 

Sleep disturbance (ref: no disturbance)

  

Temporal work patterns

Model 1

Model 2

Model 3

 

OR

95% CI

 

OR

95% CI

OR

95% CI

Weekly work hours (ref: 35–40 h/wk)c

1.00

 

1.00

 

1.00

 

  < 35 h/wk (part-time)

1.04

0.96, 1.13

1.10

1.01, 1.19

1.04

0.94, 1.15

 41–54 h/wk (long hours)

1.11

1.02, 1.20

1.07

0.99, 1.16

1.03

0.93, 1.14

  ≥ 55 h/wk (extra-long hours)

1.30

1.16, 1.47

1.20

1.07, 1.36

1.00

0.85, 1.18

Weekend working (ref: no weekends)d

1.00

 

1.00

 

1.00

 

 Some weekends

1.14

1.04, 1.24

1.12

1.02, 1.22

1.07

0.97, 1.17

 Most/all weekends

1.21

1.10, 1.34

1.14

1.03, 1.26

1.05

0.94, 1.18

Schedules (ref: standard schedules)d

1.00

 

1.00

 

1.00

 

 Nonstandard schedules

1.24

1.15, 1.35

1.22

1.12, 1.33

1.20

1.09, 1.31

  1. Data are multiply imputed. Sample sizes are unweighted. Survey weights were applied in regression analyses
  2. amultinomial logistic regression models
  3. blogistic regression models
  4. cWeekly work hours – models 1 & 2 analysed the pooled sample data (n = 48,990) and the analyses were clustered at the individual level; model 3 analysed the w4-only sample data (n = 25,605)
  5. dWeekend working and nonstandard schedules analysed the w4-only sample data (n = 25,605)
  6. Model 1 analysed the associations for each type of temporal work pattern (e.g. weekly work hours only; weekend working only; or schedules only), and adjusted only for gender, age, age-squared, marital status, youngest child in the household, informal caregiving, housing tenure, educational attainment, equivalised household income, NS-SEC, LLTI, smoker status, exercise frequency, and frequency of alcohol consumption
  7. Model 2 = model 1 + work conditions: job satisfaction, satisfaction with income, satisfaction with leisure time, work autonomy, and job physicality
  8. Model 3 = model 2 + all temporal work patterns (weekly work hours, weekend working and schedules)
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BMC Public Health

ISSN: 1471-2458

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