Table 1 Studies included in the meta-analytic models
From: A systematic review and meta-analysis of the relationship between body size and testicular cancer
Title | First author | Year | Country | Number of cases | Study design | Ascertainment method | Risk estimate: height | Risk estimate: weight | Risk estimate: BMI |
|---|---|---|---|---|---|---|---|---|---|
Testis cancer: post-natal hormonal factors, sexual behaviour and fertility (Swerdlow et al, 1989) | Swerdlow | 1989 | UK | 259 | Case-control | Self-report | 0.96 (0.85, 1.07) | — | 1.02 (0.96, 1.08) |
Body size and cancer of the testis (Davies et al, 1990) | Davies | 1990 | Denmark | 438 | Case-control | Record/registry | 1.01 (0.93, 1.10) | 0.99 (0.98, 1.00) | 0.96 (0.91, 1.01) |
Social, behavioural and medical actors in the aetiology of testicular cancer: results from the UK study (UKTCSG, 1994) | UKTCSG | 1994 | UK | 794 | Case-control | Self-report | 1.05 (0.97, 1.14) | 1.00 (0.99, 1.01) | 1.00 (0.97, 1.03) |
Physical-activity, medical history, and risk of testicular cancer (Alberta and British-Columbia, Canada) (Gallagher et al, 1995) | Gallagher | 1995 | Canada | 510 | Case-control | Self-report | 1.20 (1.09, 1.33) | 1.01 (1.00, 1.02) | 1.00 (0.97, 1.03) |
Baldness and other correlates of sex hormones in relation to testicular cancer (Petridou et al, 1997) | Petridou | 1997 | Greece | 97 | Case-control | Self-report | 0.98 (0.82, 1.18) | 0.97 (0.95, 0.99) | 0.90 (0.83, 0.98) |
Is risk of testicular cancer related to body size? (Dieckmann and Pichlmeier, 2002) | Dieckmann | 2002 | Germany | 353 | Case-control | Self-Report | 1.35 (1.20, 1.52) | 1.02 (0.99, 1.04) | 0.99 (0.92, 1.05) |
A case-control study of dietary phytoestrogens and testicular cancer risk (Walcott et al, 2002) | Walcott | 2002 | US | 159 | Case-control | Self-report | 1.15 (0.98, 1.35) | 1.00 (0.98, 1.01) | 0.97 (0.91, 1.04) |
Body size at birth and adulthood and the risk for germ-cell testicular cancer (Richiardi et al, 2003) | Richiardi | 2003 | Sweden | 371 | Case-control | Record/registry | 1.17 (1.05, 1.30) | 1.01 (0.99, 1.03) | 0.94 (0.85, 1.05) |
Association of obesity and cancer risk in Canada (Pan et al, 2004) | Pan | 2004 | Canada | 685 | Case-control | Self-report | 1.26 (1.19, 1.34) | 1.01 (1.00, 1.02) | 0.97 (0.95, 1.00) |
In utero exposure to persistent organic pollutants in relation to testicualr cancer risk (Hardell et al, 2006) | Hardell | 2006 | Sweden | 58 | Case-control | Self-report | 0.96 (0.68, 1.36) | 0.97 (0.94, 1.00) | 0.96 (0.84, 1.09) |
The impact of height and body mass index on the risk of testicular cancer in 600 000 Norwegian men (Bjorge et al, 2006) | Bjorge | 2006 | Norway | 1004 | Cohort | Record/registry | 1.08 (1.03, 1.13) | 1.00 (0.99, 1.01) | 0.97 (0.95, 0.99) |
Adolescent milk fat and galactose consumption and testicular germ cell cancer (Stang et al, 2006) | Stang | 2006 | Germany | 269 | Case-control | Self-report | 1.23 (1.11, 1.37) | 1.01 (0.99, 1.02) | — |
Body size, dairy consumption, puberty, and risk of testicular germ cell tumors (McGlynn et al, 2007) | McGlynn | 2007 | US | 767 | Case-control | Self-report | 1.16 (1.08, 1.25) | 1.01 (1.00, 1.02) | 0.99 (0.95, 1.04) |
Is increased body mass index associated with the incidence of testicular germ cell cancer? (Dieckmann et al, 2009) | Dieckmann | 2009 | Germany | 8498 | Case-control | Self-report | — | — | 1.01 (1.00, 1.03) |
