Table 3.
Men’s lung cancer Hazard Ratios (95% Confidence Interval) according to sleep duration and smoking status
|
Whole study population |
Sleeping hours |
||||
|---|---|---|---|---|---|
|
≤6.5 h |
7-7.5 h |
≥8 h |
|||
|
n = 501 (21 cancer) |
n = 1066 (24 cancer) |
n = 1019 (36 cancer) |
|||
| HR | 95% CI | HR | HR | 95% CI | |
| Modela |
2.06 |
1.14-3.69 |
1.0 |
1.68 |
1.01-2.83 |
| Modelb |
1.95 |
1.08-3.51 |
1.0 |
1.79 |
1.06-3.02 |
| Modelc |
2.12 |
1.17-3.85 |
1.0 |
1.88 |
1.09-3.22 |
| Modeld |
2.01 |
1.09-3.71 |
1.0 |
1.96 |
1.14-3.38 |
| Modele |
2.14 |
1.17-3.90 |
1.0 |
1.80 |
1.04-3.09 |
| Modelf |
1.96 |
1.07-3.58 |
1.0 |
1.82 |
1.06-3.11 |
|
Smokers |
n = 194 (18 cancer) |
n = 315 (18 cancer) |
n = 322 (32 cancer) |
||
| Modela |
2.01 |
1.04-3.87 |
1.0 |
1.80 |
1.01-3.21 |
| Modelb |
2.04 |
1.06-3.92 |
1.0 |
1.95 |
1.09-3.49 |
| Modelc |
2.23 |
1.14-4.34 |
1.0 |
2.09 |
1.14-3.81 |
| Modeld |
2.21 |
1.11-4.04 |
1.0 |
2.22 |
1.21-4.09 |
| Modele |
2.20 |
1.12-4.34 |
1.0 |
2.02 |
1.10-3.71 |
| Modelf | 2.15 | 1.09-4.22 | 1.0 | 2.04 | 1.12-3.74 |
Modela: Adjusted for age and examination years.
Modelb: Adjusted for age, examination years and cumulative smoking history (pack-years).
Modelc : Adjusted for age, examination years, cumulative smoking history (pack-years), family cancer history and Human Population Laboratory depression scale scores.
Modeld: Modelc further adjusted for: Alcohol consumption (g/wk), physical activity (kcal/day) and body mass index (kg/m2).
Modele: Modelc further adjusted for: Marital status, education years, night work, and employment status.
Modelf: Modelc further adjusted for: Asthma and chronic bronchitis.