Table 1

Characteristics of the 8551 women in the Guanacaste study population, by case status

Percentage of noncasesPercentage of women with ≥CIN 3
Age(n = 8441)(n = 110)
 18–191.90.9
 20–2925.228.2
 30–3929.238.2
 40–4918.813.6
 50–5911.17.3
 60–698.07.3
 ≥705.84.6
Years of education(n = 8433)(n = 110)
 08.310.0
 1–318.713.6
 4–639.647.3
 7–911.710.9
 ≥ 1021.618.2
Number of live birthsa(n = 8441)(n = 110)
 05.80.9
 1–233.126.4
 3–428.631.8
 5–612.724.6
 7–1013.310.9
 ≥116.55.4
Number of sex partnersa(n = 8440)(n = 110)
 154.336.4
 221.522.7
 312.717.3
 ≥411.623.6
Age at first intercoursea(n = 8441)(n = 110)
 ≤148.812.7
 15–1623.637.3
 17–1828.623.6
 19–2017.512.7
 ≥2121.513.6
Smokinga(n = 8436)(n = 110)
 Never89.180.9
 Past5.68.2
 Current5.210.9
Oral contraceptive usea(n = 8435)(n = 110)
 Never36.727.3
 Past43.038.2
 Current20.434.6
  • a Difference between cases and noncases statistically significant, P ≤ 0.01.