Table 4 Logistic regression analysis for poor mental component summary

Weekday total sleep time

 < 6 h

2.62 (1.14–6.04)

3.38 (1.40–8.17)

 6–7 h

1

1

 ≥ 7 h

1.32 (0.57–3.07)

1.62 (0.69–3.82)

Chronotype

 Morning type

1

 Evening type

1.83 (0.92–3.65)

Insomnia severity index

 < 8

1

1

 ≥ 8

8.97 (3.64–22.10)

6.51 (2.96–14.30)

Catch-up on sleep

 < 2 h

1

 ≥ 2 h

1.00 (0.52–1.92)