Table 1.
Description of the study population.
| Study acronym | Country (study center) | Year of diagnosis | Age range (years) | Cases (n) | Controls (n) | Source of controls | Referencea |
|---|---|---|---|---|---|---|---|
| BCb | Canada (Vancouver; Victoria) | 2000–2004 | 20–80 | 821 | 848 | Random selection from client registry of the Ministry of Health; frequency matched by age, sex, and region | Spinelli et al. 2007 |
| Nebraskab | USA (Nebraska) | 1999–2002 | 20–75 | 386 | 533 | Random digit dialing; frequency matched by age and sex | Chiu et al. 2007 |
| NCI-SEER | USA (Detroit, MI; Iowa; Los Angeles, CA; Seattle, WA) | 1998–2001 | 20–74 | 1,321 | 1,057 | < 65 years, random digit dialing; ≥ 65 years, random selection from Centers for Medicare and Medicaid Services; stratified by study area, age, sex, and race | De Roos et al. 2005 |
| UCSF1 | USA (San Francisco, CA) | 1988–1995 | 21–74 | 1,260 | 2,094 | Random digit dialing; frequency matched by age, sex, and county of residence | Tranah et al. 2009 |
| Yale | USA (Connecticut) | 1995–2001 | 23–85 | 600 | 717 | Women only; < 65 years, random digit dialing; ≥ 65 years, random selection from Centers for Medicare and Medicaid Services; frequency matched ± 5 years of age | Zhang et al. 2004 |
| UK | UK (Lancashire/South Lakeland; Yorkshire; parts of southwest England) | 1998–2003 | 18–69 | 827 | 1,129 | Individually matched by age, sex, and region of residence from general practice lists | Willett et al. 2004 |
| Epilymph | Spain; France; Germany; Italy; Ireland; Czech Republic | 1998–2004 | 18–89 | 1,660 | 2,460 | Spain/France/Ireland/Czech Republic: hospital controls matched by age (± 5 years), sex, and study region. Germany/Italy: random selection from population register; individually matched by sex, age, and study region | Cocco et al. 2010 |
| Italy | Italy (12 areas) | 1991–1993 | 19–79 | 1,910 | 1,771 | Random sample of the population resident in the area; stratified by 5-year age groups and sex. Fortli/Ragusa/Firenze: computerized demographics files. Other areas: National Health Service files | Seniori Costantini et al. 2001 |
| ENGELA | France (Bordeaux; Brest; Caen; Nantes; Lille; Toulouse) | 2000–2004 | 20–75 | 567 | 722 | Hospital controls, mainly in orthopedic and rheumatological departments and residing in the hospital’s catchment area; individually matched with the cases by center, age (± 3 years), and sex | Orsi et al. 2009 |
| NSW | Australia (New South Wales; Australian Capital Territory) | 2000–2001 | 20–74 | 694 | 694 | Random selection from electoral register; frequency matched by age, sex, and state or territory | Fritschi et al. 2005 |
| Total | 10,046 | 12,025 | |||||
| Men | 5,265 | 6,228 | |||||
| Women | 4,781 | 5,797 | |||||
| Abbreviations: BC, British Columbia; ENGELA, l‘Etude des Facteurs Environmentaux et Genétique des Lymphomes de l’Adulte; NCI-SEER, National Cancer Institute–Surveillance, Epidemiology, and End Results Program; NSW, New South Wales; UCSF, University of California, San Francisco; UK, United Kingdom. aOne reference is given for each study, usually the publication with study results for occupation or occupational exposures. bOnly the longest-held occupation was recorded for BC and Nebraska. All other studies recorded a complete occupational history. | |||||||