The authors have no potential conflicts of interest to disclose.
Authors’ contribution
Conceptualization: Sun-Young Kim. Data curation: Sun-Young Kim. Formal analysis: Sun-Young Kim. Funding acquisition: Weon-Jeong Lim. Investigation: Sun-Young Kim. Methodology: Sun-Young Kim. Project administration: Weon-Jeong Lim, Soo In Kim. Resources: Sun-Young Kim. Software: Sun-Young Kim. Supervision: Soo In Kim. Validation: Sun-Young Kim. Visualization: Sun-Young Kim. Writing—original draft: Sun-Young Kim. Writing—review & editing: Sun-Young Kim, Soo In Kim.
Sleep duration (hours/day) |
Model 1* |
Model 2† |
Model 3‡ |
Model 4§ |
Model 5ǁ |
|||||
---|---|---|---|---|---|---|---|---|---|---|
OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | |
Categorical sleep duration | ||||||||||
<6 | 1.50 (1.29–1.75) | <0.001 | 1.43 (1.23–1.68) | <0.001 | 1.55 (1.32–1.82) | <0.001 | 1.52 (1.29–1.78) | <0.001 | 1.36 (1.15–1.60) | <0.001 |
6 to <7 | 1.13 (0.99–1.29) | 0.067 | 1.17 (1.02–1.34) | 0.024 | 1.20 (1.05–1.37) | 0.009 | 1.18 (1.03–1.35) | 0.016 | 1.14 (0.99–1.32) | 0.060 |
7 to <9 | 1 [reference] | 1 [reference] | 1 [reference] | 1 [reference] | 1 [reference] | |||||
9 to <10 | 1.07 (0.80–1.43) | 0.640 | 0.94 (0.70–1.26) | 0.692 | 1.03 (0.76–1.38) | 0.866 | 1.04 (0.77–1.40) | 0.809 | 1.01 (0.74–1.37) | 0.956 |
≥10 | 1.74 (1.30–2.34) | <0.001 | 1.45 (1.07–1.95) | 0.015 | 1.54 (1.14–2.08) | 0.005 | 1.56 (1.16–2.12) | 0.004 | 1.42 (1.03–1.95) | 0.031 |
Continuous sleep duration | 0.92 (0.88–0.95) | <0.001 | 0.91 (0.87–0.95) | <0.001 | 0.91 (0.87–0.95) | <0.001 | 0.92 (0.88–0.96) | <0.001 | 0.93 (0.89–0.97) | 0.001 |
† Model 2 adjusted for age, sex, marital status, education, income, alcohol consumption frequency, smoking status, and BMI,
‡ Model 3 adjusted for age, sex, marital status, education, income, alcohol consumption frequency, smoking status, BMI, shift work patterns, occupation, and employment status,
Working hours (hours/week) |
Model 1* |
Model 2† |
Model 3‡ |
Model 4§ |
Model 5ǁ |
|||||
---|---|---|---|---|---|---|---|---|---|---|
OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | |
Categorical working hours | ||||||||||
≤40 | 1 [reference] | 1 [reference] | 1 [reference] | 1 [reference] | 1 [reference] | |||||
40.1 to 52 | 1.01 (0.87–1.17) | 0.888 | 1.02 (0.88–1.19) | 0.787 | 0.97 (0.83–1.13) | 0.674 | 0.95 (0.82–1.11) | 0.551 | 0.93 (0.8–1.09) | 0.402 |
>52 | 1.47 (1.29–1.67) | <0.001 | 1.39 (1.22–1.58) | <0.001 | 1.34 (1.17–1.54) | <0.001 | 1.31 (1.14–1.50) | <0.001 | 1.30 (1.13–1.49) | <0.001 |
Continuous working hours | 1.008 (1.005–1.011) | <0.001 | 1.008 (1.005–1.011) | <0.001 | 1.007 (1.004–1.010) | <0.001 | 1.006 (1.003–1.009) | <0.001 | 1.006 (1.003–1.009) | <0.001 |
† Model 2 adjusted for age, sex, marital status, education, income, alcohol consumption frequency, smoking status, and BMI,
‡ Model 3 adjusted for age, sex, marital status, education, income, alcohol consumption frequency, smoking status, BMI, shift work patterns, occupation, employment status,