|
Cervical cancer risk in relation to the number of lifetime partners |
|||||
| Number of life time sexual partners |
Cases (n = 524) |
Controls (n = 1541) |
Crude OR CI (95%) |
Adjusted OR* CI (95%) |
|
|
|
|||||
| N (%) |
N (%) |
||||
| All women** |
|||||
| 1 |
106 (20) |
417 (27) |
[1.0]*** |
[1.0]*** |
|
| 2 |
157 (30) |
521 (34) |
1.2 (0.9–1.6) |
1.1 (0.8–1.5) |
|
| 3 |
123 (23) |
310 (20) |
1.6 (1.2–2.1) |
1.4 (1.1–1.9) |
|
| ≥ 4 |
133 (25) |
285 (18) |
1.8 (1.4–2.5) |
1.7 (1.2–2.2) |
|
| Coloured women+ |
(N = 391) |
(N = 1155) |
|||
| 1 |
94 (24) |
370 (32) |
[1.0]*** |
[1.0]*** |
|
| 2 |
124 (32) |
427 (37) |
1.1 (0.8–1.5) |
1.1 (0.8–1.5) |
|
| 3 |
92 (24) |
213 (18) |
1.7 (1.2–2.4) |
1.5 (1.1 – 2.2) |
|
| ≥ 4 |
80 (20) |
142 (12) |
2.2 (1.6–3.2) |
2.0 (1.4–2.9) |
|
| Black women++ |
(N = 133) |
(N = 386) |
|||
| 1 |
12 (9) |
47 (12) |
[1.0*** |
[1.0]*** |
|
| 2 |
33 (25) |
94 (24) |
1.4 (0.7–2.9) |
1.2 (0.6–2.3) |
|
| 3 |
31 (23) |
97 (25) |
1.3 (0.6–2.7) |
1.0 (0.5–2.1) |
|
| ≥ 4 |
53 (40) |
143 (37) |
1.5 (0.7–2.9) |
1.2 (0.6–2.3) |
|
|
* Adjusted for age of sexual debut controlled for age, race, marital status, use of hormonal contraceptives, years of formal education, area of residence, ever having smoked, ever having drunk alcohol and ever having had a Pap smear ** 5 & 8 women with missing or unknown values for cases and controls respectively are not shown *** Reference category + and ++ 1 & 3 women with missing or unknown values for cases and 4 & 5 women with missing or unknown values for cases and controls respectively are not shown | |||||
Cooper et al. BMC Public Health 2007 7:341 doi:10.1186/1471-2458-7-341 |
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