Table 3 Logistic regression model for associated factors with absence

 Age

1.02 (1.01–1.03)^**

1.02 (1.01–1.03)^**

1.01 (1.00–1.01)

1.01 (1.00–1.02)

  Male

1.0

1.0

1.0

1.0

  Female

1.52 (0.83–2.59)

1.35 (0.73–2.33)

1.47 (1.26–1.71)^**

1.34 (1.13–1.58)^*

  No

1.0

1.0

1.0

1.0

  Yes

0.84 (0.69–1.01)

0.86 (0.70–1.04)

1.16 (0.99–1.35)

1.08 (0.92–1.26)

  Daytime worker

1.0

1.0

1.0

1.0

  Shift worker

0.95 (0.74–1.21)

0.92 (0.70–1.20)

0.98 (0.78–1.20)

0.46 (0.07–1.55)

  40–60 h

1.0

1.0

1.0

1.0

  < 40 h

1.18 (0.91–1.51)

1.04 (0.80–1.35)

1.26 (1.09–1.46)^*

1.15 (0.98–1.35)

  ≥ 60 h

0.68 (0.54–0.85)^*

0.77 (0.60–0.97)^*

0.93 (0.70–1.22)

0.93 (0.68–1.25)

  Good/average

1.0

1.0

1.0

1.0

  Poor

2.74 (2.24–3.33)^**

2.85 (2.25–3.58)^**

3.99 (3.45–4.62)^**

3.60 (3.04–4.25)^**

  Good/average

1.0

1.0

1.0

1.0

  Poor

1.55 (1.23–1.93)^**

0.96 (0.73–1.25)

2.25 (1.90–2.65)^**

1.08 (0.88–1.31)

  7–8 h

1.0

1.0

1.0

1.0

  < 7 h

0.86 (0.71–1.05)

0.90 (0.74–1.10)

0.91 (0.79–1.07)

0.87 (0.75–1.02)

  ≥ 8 h

1.38 (1.02–1.84)^*

1.30 (0.96–1.74)

1.36 (1.04–1.76)^*

1.25 (0.95–1.64)

  Without DIS

1.0

1.0

1.0

1.0

  Presence of DIS

1.76 (1.35–2.27)^**

1.56 (1.17–2.05)^*

1.77 (1.45–2.15)^**

1.27 (1.02–1.56)^*

  Without DMS

1.0

1.0

1.0

1.0

  Presence of DMS

1.44 (1.16–1.76)^*

1.15 (0.91–1.45)

1.84 (1.58–2.13)^**

1.42 (1.20–1.67)^**

  Without EMA

1.0

1.0

1.0

1.0

  Presence of EMA

1.04 (0.81–1.32)

0.79 (0.60–1.03)

1.32 (1.11–1.56)^*

0.95 (0.78–1.14)

p = 0.543

p = 0.156