Table 1 Hierarchical logistic regression analysis of the incidence of poor sleep, COVID-19 preventive behaviors, and job-related stress in the

COVID-19 preventive behavior (reference: high adherence)

Avoiding three Cs

0.70 (0.50–0.97)

< 0.05

0.70 (0.46–1.07)

n.s.

0.67 (0.44–1.03)

n.s.

0.70 (0.45–1.08)

n.s.

Maintaining a distance of at least one meter from others

0.93 (0.64–1.36)

n.s.

1.11 (0.70–1.77)

n.s.

1.19 (0.74–1.90)

n.s.

1.21 (0.75–1.94)

n.s.

Wearing a face mask regularly

1.03 (0.66–1.63)

n.s.

1.19 (0.70–2.03)

n.s.

1.26 (0.74–2.16)

n.s.

1.22 (0.71–2.11)

n.s.

Washing hands regularly

1.06 (0.68–1.65)

n.s.

1.06 (0.63–1.77)

n.s.

1.07 (0.63–1.79)

n.s.

1.02 (0.60–1.73)

n.s.

Working remotely

1.72 (1.17–2.53)

< 0.01

1.70 (1.11–2.60)

< 0.05

1.57 (1.02–2.43)

< 0.05

1.65 (1.06–2.57)

< 0.05

Job-related stress under the COVID-19 pandemic (reference: less stressful)

Work environment

2.86 (2.01–4.06)

< 0.001

2.40 (1.59–3.62)

< 0.001

2.30 (1.52–3.49)

< 0.001

2.09 (1.37–3.20)

< 0.001

Exposure to patients

1.83 (1.22–2.73)

< 0.01

0.97 (0.59–1.58)

n.s.

0.92 (0.55–1.51)

n.s.

0.90 (0.54–1.51)

n.s.

Potential risk of COVID-19 infection

1.98 (1.41–2.78)

< 0.001

1.23 (0.76–1.99)

n.s.

1.23 (0.76–2.00)

n.s.

1.20 (0.74–1.96)

n.s.

Fear of infecting others

1.81 (1.29–2.54)

< 0.001

1.14 (0.71–1.83)

n.s.

1.13 (0.70–1.83)

n.s.

1.12 (0.69–1.82)

n.s.

Social confinement

1.87 (1.33–2.62)

< 0.001

1.29 (0.86–1.93)

n.s.

1.33 (0.88–2.01)

n.s.

1.32 (0.87–2.00)

n.s.

Financial instability

2.38 (1.63–3.48)

< 0.001

1.80 (1.18–2.74)

< 0.01

1.84 (1.20–2.83)

< 0.01

1.73 (1.12–2.67)

< 0.05