Table 4.

Lifestyle physical activity and endometrial cancer risk, the Shanghai Endometrial Cancer Study (1997-2001)

Adolescence
Adulthood
Cases/controls*OR (95% CI)Cases/controlsOR (95% CI)
Household activity (h/d)
    0242/2001.000-2331/2741.00
    1210/2130.78 (0.59-1.05)3219/2260.81 (0.62-1.05)
    2177/1840.74 (0.55-1.00)4154/1830.69 (0.51-0.92)
    >3199/2470.67 (0.50-0.90)>5128/1620.62 (0.46-0.85)
Ptrend0.01<0.01
Walking for transportation (min/d)
    0-25140/1511.000-26210/1821.00
    26-52238/2421.00 (0.73-1.38)27-55236/2230.87 (0.65-1.17)
    53-65245/2400.97 (0.71-1.33)56-60223/2420.68 (0.51-0.91)
    >66207/2110.98 (0.71-1.35)>61163/1990.64 (0.47-0.87)
Ptrend0.84<0.01
Cycling for transportation (min/d)
    No805/8141.000648/6671.00
    Yes25/310.77 (0.43-1.37)2-2940/271.82 (1.07-3.11)
30-5067/740.88 (0.60-1.29)
>5176/751.24 (0.86-1.81)
Ptrend0.44
Total lifestyle activity (MET-h/d)
    0-3.63229/1841.000-7.29217/1891.00
    3.64-6.20240/2450.71 (0.54-0.95)7.30-9.83286/2320.98 (0.74-1.30)
    6.21-8.80166/1720.72 (0.53-0.99)9.84-12.75145/2130.57 (0.42-0.78)
    >8.81197/2450.63 (0.46-0.84)>12.76184/2120.71 (0.52-0.96)
Ptrend<0.01<0.01
  • Abbreviation: 95% CI, 95% confidence interval.

  • * n values for all cases and controls.

  • Adjusted for age, age at menarche, menopausal status and age, number of pregnancies, oral contraceptive use, current smoking, ever drinking, family history of cancer, education, height, and body mass index.