From: Sleep duration and incidence of lung cancer in ageing men
Sleeping hours | p-value | |||
---|---|---|---|---|
≤6.5 h | 7-7.5 h | ≥8 h | ||
(n = 501) | (n = 1066) | (n = 1019) | ||
Age (years) | 54.3 (48.9-54.5) | 54.3 (48.8-54.5) | 54.3 (54.2-54.6) | 0.075a |
Smoking prevalence (%) | 194 (38.7) | 315 (29.5) | 322 (31.6) | <0.001b |
Smoking (pack-years) | 0 (0–378.0) | 0 (0–81.9) | 0 (0–204.0) | 0.001a |
Alcohol (g/wk) | 34.2 (6.6-104.4) | 31.9 (6.6-86.3) | 27.8 (4.7-16.2) | 0.208a |
Physical activity (kcal/d) | 80.1 (27.6-201.4) | 84.9 (30.8-199.2) | 85.0 (27.2-344.0) | 0.831a |
Body mass index (kg/m2) | 26.6 (24.5-29.5) | 26.2 (24.3-28.3) | 26.8 (24.7-29.4) | <0.001a |
Education (years) | 8.0 (6.0-10) | 8.0 (6.0-10.0) | 8.0 (6.0-9.0) | <0.001a |
HPL scores ≥5 (%) | 68 (14.0) | 84 (8.0) | 79 (7.9) | <0.001b |
Family cancer history (%) | 119 (23.8) | 259 (23.8) | 248 (24.3) | 0.965b |
Marital status (alone %) | 35 (7.0) | 62 (5.8) | 73 (7.2) | 0.425b |
Night work (%) | 113 (22.6) | 160 (15.0) | 181 (17.8) | 0.001b |
Unemployed/retired (%) | 147 (29.3) | 255 (23.9) | 379 (37.2) | <0.001b |
Asthma (%) | 15 (3.0) | 34 (3.2) | 43 (4.2) | 0.341b |
Chronic bronchitis (%) | 48 (9.6) | 65 (6.1) | 69 (6.8) | 0.040b |
Frequent insomnia (%) | 161 (33.0) | 115 (10.9) | 91 (9.1) | <0.001b |
Breathing disruptions (%) | 84 (17.0) | 116 (11.0) | 119 (11.8) | 0.003b |