Table 2

Distribution of sIL-2R among controls, according to selected cervical neoplasm risk factors

NsIL-2R levels
q1 (n = 30)q2 (n = 26)q3 (n = 28)q4 (n = 28)
Age
 18–291926.3%a21.1%36.8%15.8%
 30–393735.1%32.4%13.5%18.9%
 40–492638.5%19.2%23.1%19.2%
 50+306.7%16.7%33.3%43.3%
P trend = 0.008
Menopausal status
 Pre7932.9%26.6%22.8%17.7%
 Post3312.1%15.2%30.3%42.4%
Ptrend = 0.001
Oral contraceptive use
 Never4114.6%22.0%31.7%31.7%
 Former4431.8%25.0%27.3%15.9%
 Current2733.3%23.1%10.7%28.6%
Ptrend = 0.06
Number of pregnancies
 0–23426.5%23.5%29.4%20.6%
 3–53638.9%27.8%16.7%16.7%
 6+4216.7%19.1%28.6%35.7%
Ptrend = 0.10
Smoking
 Never10426.0%23.1%26.0%25.0%
 Ever837.5%25.0%12.5%25.0%
Ptrend = 0.55
  • a All percentages are row percentages.