Table 2. Distribution of the cases (overall including not otherwise specified (NOS) and other cancers and divided by squamous cancer and adenocarcinomas) and controls by history of screening. OR of developing a fully invasive cervical cancer by time since last test, adjusted for civil status and birth place.
| Controls |
Squamous |
Adenocarcinoma |
All cases |
||||
|---|---|---|---|---|---|---|---|
| Time since last testa | No. (%) | No. (%) | OR (95% CI) | No. (%) | OR (95% CI) | No. (%) | OR (95% CI) |
| <3 years | 187 (22.5) | 11 (7.4) | 0.15 (0.07–0.30) | 9 (17.0) | 0.65 (0.26–1.65) | 22 (10.6) | 0.25 (0.15–0.42) |
| 3–<6 years | 171 (20.5) | 11 (7.4) | 0.20 (0.10–0.39) | 13 (24.5) | 0.99 (0.43–2.29) | 26 (12.5) | 0.34 (0.21–0.56) |
| ⩾6 years | 237 (28.5) | 48 (32.4) | 0.56 (0.36–0.87) | 10 (18.9) | 0.54 (0.24–1.23) | 59 (28.4) | 0.56 (0.38–0.82) |
| Never screened | 237 (28.5) | 78 (52.7) | 1.0b | 21 (39.6) | 1.0b | 101 (48.6) | 1.0b |
| OR=odds ratios; CI=confidence interval. | |||||||
a
Excluding tests performed the year before the index date.
b
Baseline.