Table 1.

Self-reported anthropometric measures, history of cryptorchidism, family history of testicular cancer, highest school degree, and post-school professional degree among 269 testicular cancer cases and 797 matching controls

Complete study
Seminoma
Nonseminoma
CasesControlsRR* (95% CI)CasesControlsRR (95% CI)CasesControlsRR (95% CI)
Age (y)
    15-2425674442167
    25-341163016930147297
    35-44962357223524226
    45-5419831553448
    55-64131111092344
Self-reported height (cm)
    ≤173391851.00291611.00101351.00
    174-178522010.94 (0.58-1.52)371820.97 (0.56-1.68)151751.00 (0.43-2.32)
    179-183831951.64 (1.04-2.58)491781.35 (0.80-2.30)341702.60 (1.21-5.59)
    ≥184932101.45 (0.92-2.27)531991.21 (0.71-2.06)401962.23 (1.05-4.74)
    Unknown262506
Self-reported body mass index (kg/m2)
    ≤22.3781821.00481661.00301721.00
    [22.3-24.4]681881.02 (0.68-1.53)441750.90 (0.55-1.47)241651.25 (0.67-2.31)
    [24.4-26.6]631841.00 (0.65-1.52)431680.89 (0.54-1.47)201551.07 (0.56-2.06)
    [>26.6]491800.96 (0.61-1.51)291600.73 (0.42-1.47)201301.45 (0.74-2.84)
    Unknown1163656560
Cryptorchidism ever had
    No2267551.001416861.00856431.00
    Yes39274.21 (2.48-7.14)25264.22 (2.30-7.72)14263.55 (1.74-7.21)
    Unknown415413013
Family history of testicular cancer
    No2587911.001627201.00966761.00
    Yes1165.94 (2.10-16.84)856.65 (2.07-21.34)364.06 (0.94-17.50)
Years at school§
    Schoolboy150215
    ≤9893041.00602671.00292251.00
    10611920.84 (0.56-1.25)391800.84 (0.53-1.35)221720.82 (0.44-1.52)
    1225780.86 (0.50-1.45)17750.86 (0.46-1.59)8730.80 (0.34-1.87)
    13932171.05 (0.72-1.53)542001.00 (0.63-1.58)392061.13 (0.64-1.99)
    Unknown010101
Highest professional post-school degree
    None24951.0012881.0012801.00
    Apprenticeship1644851.53 (0.93-2.53)1114462.16 (1.09-4.27)534000.92 (0.46-1.86)
    University degree621541.47 (0.85-2.56)401421.78 (0.85-3.74)221401.12 (0.51-2.46)
    Other19630.86 (0.38-1.93)7491.59 (0.49-5.12)12620.47 (0.16-1.36)
  • * RR estimates and 95% CIs are based on the matched evaluation, matching for age and region.

  • Height, weight, and body mass index based on self-reported height and weight 1 year before interview.

  • Father or brothers with testicular cancer.

  • § ≤9: reference group including: no school degree, “Sonderschulabschluss, Volksschulabschluss, Hauptschulabschluss.”

  • Apprenticeship including technical colleges degrees (“Fachschule”); university or college degrees (“Abitur oder Fachabitur”); others included schoolboys, apprentices, students, people in the community service or military services.