Table 3 Comparison of the polysomnography between shift workers and non-shift workers
Sleep efficiency | Groups | P value (Sig.) | |
|---|---|---|---|
Group (I) Shift workers (n = 32) | Group (II) Non-shift workers (n = 32) | ||
Poor (< 80%) | 15 (46.9%) | 5 (15.6%) | 0.01** |
Fair (80::90%) | 13 (40.6%) | 11 (34.4%) | |
Good (> 90%) | 4 (12.5%) | 16 (50.0%) | |
Sleep quality | |||
Very poor | 19 (59.4%) | 7 (21.9%) | 0.01** |
Poor | 12 (37.5%) | 13 (40.6%) | |
Fair | 1 (3.1%) | 12 (37.5%) | |
Sleep latency | 22.15 ± 4.749 | 17.4 ± 2.8 | 0.007* |
NI | 3.195 ± 1.416 | 2.2 ± 0.7 | 0.037* |
NII | 52.09 ± 2.031 | 50.2 ± 0.8 | 0.01* |
NIII | 19.97 ± 2.458 | 24.2 ± 1.1 | 0.0001* |
REM | 24.43 ± 2.28 | 23.4 ± 1.6 | 0.224 |
REM latency | 64.8 ± 7.172 | 70.5 ± 6.0 | 0.039* |
REM density | 18.89 ± 1.741 | 18.6 ± 1.0 | 0.629 |
Apnea index | 2.74 ± 1.679 | 0.9 ± 0.3 | 0.002* |