Table 3 Prevalence ratio (PR) of factors related to short sleep duration and sleep quality
From: Factors related with quality on sleep of daytime workers
Variables | Short Sleep duration (fewer than 6 h) | Sleep quality (poor) | ||
|---|---|---|---|---|
PRa | 95% CI | PR | 95% CI | |
Age (in years) | ||||
< 30 | 1.00 | 1.00 | ||
30–39 | 0.90 | 0.72–1.14 | 0.79 | 0.53–1.17 |
40–49 | 1.10 | 0.85–1.43 | 0.56 | 0.35–0.91 |
≧50 | 1.18 | 0.88–1.58 | 0.47 | 0.25–0.91 |
Sex | ||||
Male | 1.00 | 1.00 | ||
Female | 1.07 | 0.80–1.45 | 1.30 | 0.77–2.20 |
Work type | ||||
Blue-collar | 1.00 | 1.00 | ||
Office worker | 1.12 | 0.91–1.38 | 0.86 | 0.57–1.32 |
Researcher | 1.27 | 1.02–1.58 | 0.90 | 0.57–1.43 |
Exercise | ||||
No | 1.00 | 1.00 | ||
Yes | 1.07 | 0.89–1.29 | 1.21 | 0.86–1.71 |
BMI (kg/m2)b | ||||
< 25 | 1.00 | 1.00 | ||
≧25 | 1.14 | 0.96–1.36 | 1.53 | 1.10–2.12 |
Metabolic syndrome | ||||
No | 1.00 | 1.00 | ||
Yes | 1.18 | 0.93–1.50 | 1.36 | 0.87–2.15 |
Musculoskeletal pain | ||||
No | 1.00 | 1.00 | ||
Yes | 1.16 | 0.93–1.45 | 1.92 | 1.29–2.84 |