Table 4 Reproductive factors, contraceptive methods and screening variables among 144 cases of cervical cancer and 288 controls
From: HPV and cofactors for invasive cervical cancer in Morocco: a multicentre case-control study
Cases | Controls | ORa (95% CI) | ORab (95% CI) | |||
|---|---|---|---|---|---|---|
No. | (%) | No. | (%) | |||
Age at menarche (in years) | n = 140 | n = 257 | ||||
≤ 12 | 25 | 17.9 | 103 | 40.1 | 1 | 1 |
13–14 | 78 | 55.7 | 90 | 35.0 | 3.6 (2.1–6.2) | 3.6 (1.9–6.9) |
≥ 15 | 37 | 26.4 | 64 | 24.9 | 2.4 (1.3–4.4) | 2.6 (1.3–5.5) |
No. of pregnancies | n = 141 | n = 276 | ||||
≤ 3 | 40 | 28.4 | 119 | 43.1 | 1 | 1 |
> 3 | 101 | 71.6 | 157 | 56.9 | 1.4 (1.1–2.0) | 1.2 (0.7–2.2) |
Age at first pregnancy | n = 130 | n = 254 | ||||
≤ 18 | 52 | 40.0 | 99 | 39.0 | 1 | 1 |
19–22 | 55 | 42.3 | 60 | 23.6 | 2.2 (1.2–3.9) | 2.2 (1.1–4.4) |
> 22 | 23 | 17.7 | 95 | 37.4 | 0.4 (0.2–0.8) | 0.4 (0.2–0.9) |
Age at last pregnancy | n = 120 | n = 228 | ||||
≤ 35 | 67 | 55.8 | 119 | 52.2 | 1 | 1 |
> 35 | 53 | 44.2 | 109 | 47.8 | 0.9 (0.6–1.5) | 0.9 (0.5–2.3) |
Menopause | n = 142 | n = 278 | ||||
No | 66 | 53.5 | 129 | 46.4 | 1 | 1 |
Yes | 76 | 46.5 | 149 | 53.6 | 1.1 (0.6–2.2) | 1.0 (0.5–2.9) |
Age at menopause | ||||||
≥ 50 | 29 | 40.3 | 93 | 66.0 | 1 | 1 |
45–49 | 26 | 36.1 | 28 | 19.9 | 3.2 (1.3–7.6) | 4.2 (0.9–16.5) |
< 45 | 17 | 23.6 | 20 | 14.2 | 3.3 (1.2–9.2) | 2.5 (0.8–7.9) |
Years of use of oral contraceptives | n = 140 | n = 277 | ||||
< 6 | 85 | 60.7 | 201 | 72.6 | 1 | 1 |
≥ 6 | 55 | 39.3 | 76 | 27.4 | 1.8 (1.2–2.8) | 1.9 (1.2–3.1) |
Use of injectable contraceptives | n = 288 | n = 141 | ||||
No | 135 | 95.7 | 277 | 96.2 | 1 | 1 |
Yes | 6 | 4.3 | 11 | 3.8 | 1.1 (0.4–2.9) | 1.0 (0.3–3.0) |
Condom use | n = 139 | n = 284 | ||||
Yes | 12 | 8.6 | 69 | 24.3 | 1 | 1 |
No | 127 | 91.4 | 215 | 75.7 | 3.3 (1.8–6.4) | 3.2 (1.5–6.8) |