Study Details | Third National Cancer Survey Study | Louisiana Study | Washington State Study | Quebec Study |
---|---|---|---|---|
Source | Williams et al [16] | Falk et al [20] | Farrow et al[12] | Ghadirian et al [21] |
Country | USAa | USA | USA | Canada |
Timing | 1969–1971 | 1979–1983 | 1982–1986 | 1984–1988 |
Sex | Malesb | Males and females | Malesc | Males and females |
Cases | Incident, pancreatic cancer | Incident, pancreatic cancer | Incident, pancreatic cancer | Diagnosed, pancreatic, bile duct or gall bladder cancer |
Controls | Incident, cancers not associated with smoking | Hospital, without diet-altering chronic disease | Population, random-digit dialling | Population, random-digit dialling |
Matching | None | Age, sex, race | Age, area | Age, sex, area |
Surrogate respondents | None | > 50% (cases), 13% (controls) | 100% (cases), 100% (controls) | 75% (cases), 17% (controls) |
Casesd | 113e | 363 | 168 | 179 |
Controlsd | 2074e | 1234 | 195 | 239 |
Data on ST usef | Chewing or snuff | Chewing, snuff | Chewing | Chewing |
Adjustment factorsg | Age, race, smoking | Unstated | Race, education | Age, sex, smoking, education, proxy response |
 | Nine Hospital Study | Fifteen County Study | Texas Study |  |
Source | Muscat et al [13] | Alguacil and Silverman [14] | Hassan et al [15] | Â |
Country | USAh | USAi | USA | Â |
Timing | 1985–1993 | 1986–1989 | 2000–2006 |  |
Sex | Malesb | Males and females | Males and females | Â |
Cases | Incident, pancreatic cancer | Incident, exocrine pancreatic cancer | Incident, pancreatic adenocarcinoma | Â |
Controls | Hospital, diseases not associated with smoking | Population, random-digit diallingj | Hospital visitors, healthy, no cancer history | Â |
Matching | Age, sex, race, hospital, year of diagnosis | Age, sex, race | Age, sex, race | Â |
Surrogate respondents | None | None | None | Â |
Casesd | 290e | 154 | 808 | Â |
Controlsd | 572e | 844 | 808 | Â |
Data on ST usef | Chewing, snuff | Chewing or snuff | Chewing, snuff | Â |
Adjustment factorsg | None | Age, sex, race, site, cigar smoking | Age, sex, race, smoking, diabetes, alcohol, education, area, marital status | Â |