Table 1. Baseline characteristics of participants according to the group.
| Variables | Groups | ||||
|---|---|---|---|---|---|
| Control (n = 12) | 7h (n = 12) | <7h (n = 12) | F | p | |
| Age (years) | 42 ± 7 | 38 ± 11 | 42 ± 8 | 1.4 | 0.25 |
| Height (m) | 1.75 ± 0.05 | 1.78 ± 0.05 | 1.74 ± 0.04 | 0.89 | 0.40 |
| Body mass (kg) | 81 ± 12.2 | 78.3 ± 9.5 | 84.9 ± 11.6 | 1.0 | 0.38 |
| BMI (kg/h 2 ) | 26.2 ± 4.0 | 25.1 ± 3.5 | 27.9 ± 3.5 | 1.70 | 0.20 |
| Arm circumference (cm) | 33.4 ± 2.6 | 32.2 ± 3.8 | 33.0 ± 4.0 | 0.40 | 0.70 |
| Triceps skinfold (mm) | 11.5 ± 5.3 | 9.8 ± 4.1 | 11.7 ± 4.1 | 1.50 | 0.25 |
| Arm muscle area | 6826 ± 1160 | 6738 ± 1768 | 6985 ± 1878 | 0.07 | 0.93 |
| Actigraphy analyses | |||||
| TST (h: min) | 7: 30 ± 40* | 7: 47 ± 38* | 6: 17 ± 22 | 17.20 | <0.001 |
| NS (h: min) | 7: 17 ± 51* | 7: 16 ± 54* | 5: 47 ± 29 | 15.45 | <0.001 |
| Latency (min) | 12.2 ± 3.6' | 12.0 ± 3.7 | 19. ± 15.9 | 2.1 | 0.15 |
| Efficiency (%) | 83.46 ± 4.6 | 84.0 ± 5.8 | 88.1 ± 5.5 | 1.7 | 0.2 |
| Pittsburgh | |||||
| Good sleepers | 5 (42%) | 9 (75%) | 5 (42%) | χ 2 | |
| Poor sleepers | 7 (58%) | 3 (25%) | 7 (58%) | 2.92 | 0.23 |
| Strength | |||||
| Shoulder abduction (rep. n o ) | 10.7 ± 0.5 | 10.1 ± 0.8 | 10.4 ± 0.5 | 0.67 | 0.51 |
| Push-up (rep. n o ) | 15.9 ± 6.9 | 13.4 ± 4.0 | 11.2 ± 3.5 | 2.88 | 0.07 |
| Seated rowing (rep. n o ) | 20.2 ± 1.7 | 20.0 ± 1.4 | 20.1 ± 1.0 | 0.49 | 0.61 |
| Biceps curl (rep. n o ) | 10.6 ± 0.7 | 10.4 ± 0.7 | 10.2 ± 0.6 | 1.41 | 0.25 |
Abbreviations: BMI, Body mass index; NS, Night sleep; TST, Total sleep time.
(*) Height than <7h. χ 2 = Teste Chi-square. 7h= Group 7 sleep hours. <7h= Group than sleep less 7 hours.