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Table 2 Comparison of risk factors for cancer of the cervix among 138 cases and 138 controls at Ocean Road Cancer Institute, Dar-es-Salaam, Tanzania

From: Association between invasive cancer of the cervix and HIV-1 infection in Tanzania: the need for dual screening

Variable Cases (138)
n (%)
Controls (138)
n (%)
OR (95% CI)
Age in mean years (SD) 51.9 (12.3) 47.4 (11.9) 1.0 (1.0 – 1.1)
Parity in mean births (SD) 6.0 (2.7) 5.3 (4.1) 1.1 (1.0 – 1.2)
Age at first sexual coitus in mean years (SD) 17.7 (4.0) 17.4 (2.1) 1.0 (0.9 – 1.1)
HIV positive    
   No 109(79.0) 122(88.4) 1.0
   Yes 29(21.0) 16(11.6) 2.0 (1.1 – 3.9)
Sexually Transmitted Infection    
   No 108(79.3) 109(79.0) 1.0
   Yes 30(21.7) 29(21.0) 1.0 (0.6 – 1.9)
Oral Contraceptives    
   No 107(77.5) 111(80.4) 1.0
   Yes 31(21.7) 27(19.6) 1.1 (0.6 – 2.0)
Ever smoked?    
   No 128(92.8) 136(98.6) 1.0
   Yes 10(7.2) 2(1.5) 5.3 (1.4 – 24.7)