Table 1.
Distribution of cases according to sociodemographic and lifestyle variables
| ALL | Non-Smokera (%)* | Smokerb (%)* | P value | |
|---|---|---|---|---|
| Total | 445(100) | 139 | 306 | |
| Age at diagnosis (n= 444) | ||||
| Mean (years ± SD) | 58.8 ± 11.86 | 60.1 ± 12.43 | 58.2 ± 11.55 | .10 |
| Age Category (n=444) | ||||
| <40 years | 18 (4) | 6 (4) | 12 (4) | .35 |
| 40 – 60 years | 227 (51) | 64 (46) | 163 (53) | |
| ≥60 years | 199 (45) | 69 (50) | 130 (43) | |
| Gender (n=445) | ||||
| Female | 220 (49) | 81 (58) | 139 (45) | .01 |
| Male | 225 (51) | 58 (42) | 167 (55) | |
| Ethnicity (n=445) | ||||
| Caucasian | 368 (83) | 99 (71) | 269 (88) | <.001 |
| Asian | 37 (8) | 21 (15) | 16 (5) | |
| South Asian | 29 (7) | 14 (10) | 15 (5) | |
| Otherc | 11 (2) | 5 (4) | 6 (2) | |
| Alcohol Categoryd (n=441) | ||||
| None/Light | 376 (85) | 133 (96) | 243 (80) | <.001 |
| Heavy | 65 (15) | 5 (4) | 60 (20) | |
*
Column percentage reported
a
Non-smoker was defined as less than 100 cigarettes in life time
b
Smoker was defined as consumption of more than 100 cigarettes in life time
c
3 Hispanic, 2 African American, 2 North American Aboriginal/First Nations, 1 Mixed, 1 Unknown
d
Heavy drinker is defined as consumption of more than 14 drinks per week for women and 21 drinks per week for men. 1 drink = 8oz beer or 4oz wine or 1oz spirits