Table 3.
Characteristics of studies with breast cancer mortality as an outcome
| Author, year (location) | Socioeconomic measure | Covariates | Population | Data source | Study design | Statistical method |
|---|---|---|---|---|---|---|
| Menvielle et al.33, 2013 (France) | Education (5) | Age, time period | 130 980 women in 1990–1998 and 137 833 in 1999–2007 | Echantillon Démographique Permanent, Cause of Death Register | Cohort study | RII (Cox). |
| Gadeyne et al.31, 2012 (Belgium) | Education (4) | Age, parity, age a first birth | 2 247 699 women | The 1991 Census, Cause of Death Register | Cohort study | Poisson model |
| Elstad et al.30, 2012 (Norway) | Education (3) | Age, time period | All Norwegian women aged 45–74 sometime during 1971–2002 (circa 21 million person-years) | Linking of National Registers by Statistics Norway | Cohort study | Logistic Model & RII (logistic) |
| Weires et al.37, 2008 (Sweden) | Occupation (9) | Age, time period, parity, age at first birth, residential factors | 1 025 856 women | The Swedish Family-Cancer Database, Cause of Death Register | Cohort study | Cox proportional hazard model |
| Strand et al.35, 2007 (Finland, Norway, Denmark, England and Wales, Belgium, France, Switzerland, Austria, Turin, Barcelona and Madrid) | Education (3) | Age, marital status | 1 296 959 women in Finland, 987 441 in Norway, 1 274 530 in Denmark, 129 074 in UK, 2 530 405 in Belgium, 123 237 in France, 1 957 865 in Austria, 1 096 329 in Switzerland, 265 095 in Turin, 437 104 in Barcelona and 1 251 541 in Madrid | Longitudinal mortality data from Finland, Norway, Denmark, England and Wales, Belgium, France, Switzerland, Austria, Turin, Barcelona and Madrid for participants in the early 1990s Censuses | Cohort study | RII (Poisson) |
| Menvielle et al.32, 2006 (France) | Education (4) | Age, time period | 94 734 women in 1968, 99 737 in 1975, 100 898 in 1982 and 112 066 in 1990 | Echantillon Démographique Permanent, Cause of Death Register | Cohort study | RII (Cox). |
| Strand et al.36 2005 (Norway) | Education (3) | Age, parity, age at first birth | 528 517 women | The 1990 Census, Cause of Death Register | Cohort study | Cox proportional hazard model |
| Power et al.34, 2005 (UK) | Occupation (4) | Age, BMI, smoking, father’s social class | 11 855 women | Perinatal Mortality Survey, National Health Service Central Register | Cohort study | Cox proportional hazard model |