Table 4.

Adjusted odds ratios (95% confidence limits) of indicators of metabolic health for employed adults exposed to traditional or shiftwork hours by sleep characteristics: Survey of the Health of Wisconsin, 2008–2012.

Overweight/Obese (BMI≥25) (n=1,593)
Model Variables a	Model 1	Model 2	Model 3	Model 4
Occupation
Shiftworker vs. Traditional worker	2.02 (1.28–3.22)	2.04 (1.29–3.24)	2.02 (1.27–3.22)	2.06 (1.28–3.33)
Average Daily Sleep Duration  Per Hour	0.76 (0.58–1.00)	n/a	n/a	n/a
Subjective sleepiness  Per Epworth Score Unit	n/a	1.06 (1.03–1.11)	n/a	n/a
Insomnia  Per monthly symptom frequency (4-point scale)	n/a	n/a	1.14 (0.99–1.31)	n/a
Average Sleep Debt  Per hour	n/a	n/a	n/a	0.95 (0.84–1.07)

Type 2 Diabetes (self-report and/or HbA1c≥6.5) (n=1,400)
Model Variables a	Model 1	Model 2	Model 3	Model 4
Occupation
Shiftworker vs. Traditional worker	1.37 (0.60–3.11)	1.47 (0.65–3.30)	1.46 (0.65–3.27)	1.42 (0.63–3.18)
Avg Daily Sleep Duration  Per Hour	0.49 (0.27–0.89)	n/a	n/a	n/a
Subjective sleepiness  Per Epworth Score Unit	n/a	0.94 (0.88–1.01)	n/a	n/a
Insomnia  Per monthly symptom frequency (4-point scale)	n/a	n/a	1.05 (0.83–1.34)	n/a
Avg Sleep Debt  Per hour	n/a	n/a	n/a	1.22 (0.88–1.69)

^aModel also includes age (continuous), gender, education, race/ethnicity.

^aModel also includes age (continuous), gender, education, race/ethnicity.

n/a = not included in the model.