Table 3: Multivariate logistic regression analysis of variables associated with poor sleep quality and daytime sleepiness.

Influence Factors Variables Sleep quality Daytime sleepiness
OR (95% CI)* P-value OR (95% CI) P-value
Age (yr) 1.16 (0.87-1.54) 0.30 1.04 (0.81-1.33) 0.73
Years of employment (yr) 0.83 (0.62-1.12) 0.24 0.96 (0.74-1.24) 0.75
Gender Male Reference 0.86 Reference 0.77
Female 1.11 (0.33-3.72) 1.17 (0.39-3.49)
Marital status Single Reference 0.32 Reference 0.02
Married 0.59 (0.20-1.70) 0.26(0.08-0.81)
Shift work Rotating Reference 0.002 Reference 0.01
Fixed 4.00 (1.66-9.65) 3.02 (1.21-7.56)

* Odds Ratio (Confidence Interval of 95%)