Table 2

- Comparing mean body mass index between various groups (n=1724) of sleep duration (one-way analysis of variance).

Sleep durationn (%)Mean BMIP-values
Shorts sleepers (group1)393 (22.7)24.2±6.50.001*
Normal sleepers (group2)959 (55.6)23.03±5.5
Long sleepers (group3)372 (21.6)23.2±5.7
Pairwise comparison of BMI between various sleep groups by LSD test
Short sleepers versus normal sleepers (G1 vs G2)  <0.001*
Short sleepers versus long sleepers (G1 vs G3)  0.041
Long sleepers versus normal sleepers (G3 vs G1)  0.770

Values are presented as numbers and precentages (%).

  • * Statistically significant. BMI: body mass index, LSD: least significant difference