Table 2.

Passive smoking exposure from birth to age 18 years and TGCT risk

Overall
Seminoma
Nonseminoma
Cases/controlsOR* (95% CI)Cases/controlsOR* (95% CI)Cases/controlsOR* (95% CI)
Smokers in household
    No264/3411.0109/3411.0154/3411.0
    Yes486/5831.1 (0.9-1.3)210/5831.1 (0.8-1.5)276/5831.1 (0.9-1.4)
        Mother316/3901.1 (0.9-1.3)140/3901.1 (0.8-1.5)176/3901.1 (0.8-1.4)
        Father356/4461.0 (0.8-1.3)152/4461.0 (0.8-1.4)204/4461.1 (0.8-1.4)
        Both parents212/2721.0 (0.8-1.3)92/2721.0 (0.7-1.4)120/2721.1 (0.8-1.4)
        Other people67/631.4 (1.0-2.1)33/631.8 (1.1-2.9)34/631.2 (0.8-1.9)
No. smokers in household
    None264/3411.0109/3411.0154/3411.0
    1241/2841.1 (0.9-1.4)101/2841.1 (0.8-1.6)140/2841.1 (0.8-1.5)
    2222/2721.1 (0.8-1.4)95/2721.0 (0.7-1.5)127/2721.1 (0.8-1.5)
    3+22/271.0 (0.6-1.8)13/271.4 (0.7-2.9)9/270.8 (0.3-1.7)
Amount smoked
    None264/3411.0109/3411.0154/3411.0
    Light265/2821.2 (1.0-1.6)126/2821.3 (1.0-1.8)139/2821.2 (0.9-1.6)
    Moderate160/2340.9 (0.7-1.2)62/2340.9 (0.6-1.2)98/2341.0 (0.7-1.3)
    Heavy48/621.0 (0.7-1.5)20/620.9 (0.5-1.6)28/621.1 (0.7-1.8)
Mother smoked while pregnant
    No264/3181.0106/3181.0158/3181.0
    Yes86/1160.9 (0.6-1.2)37/1160.9 (0.5-1.3)49/1160.9 (0.6-1.4)
    Missing404/494177/494226/494
  • NOTE: Data taken from case-control questionnaire.

  • * Adjusted for age (continuous), race, cryptorchism, and family history of testicular cancer.