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Table 2 Subgroups in combined weekday-to-weekend sleep duration groups

From: Weekday-to-weekend sleep duration patterns among young adults and outcomes related to health and academic performance

Combined group name

n

Subgroups included

n

Definition

Short-Short

3723

Short-Short

3723

Weekday TST < 7 h and weekend TST < 7 h

Short-Long

10,115

Short-Medium

7670

Weekday TST < 7 h and weekend TST 7–9 h

Short-Long

2445

Weekday TST < 7 h and weekend TST > 9 h

Medium-Medium REF

17,656

Medium-Medium

17,656

Weekday TST 7–9 h and weekend TST 7–9 h

Long-Short

2827

Medium-Short

1460

Weekday TST 7–9 h and weekend TST < 7 h

Long-Short

84

Weekday TST > 9 h and weekend TST < 7 h

Long-Medium

1283

Weekday TST > 9 h and weekend TST 7–9 h

Medium-Long

9098

Medium-Long

9098

Weekday TST 7–9 h and weekend TST > 9 h

Long-Long

 2532

Long-Long

2532

Weekday TST > 9 h and weekend TST > 9 h

  1. REF; Reference group, TST; sleep duration (total sleep time), h; hours